Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Robert Karnes , NP

Nurse Practitioner โ€ข Oak Ridge, TN

Active NPI 1699555037 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

801 Oak Ridge Tpke
Oak Ridge, TN 378306916

Call 6548331728 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

801 Oak Ridge Tpke

Oak Ridge, TN 378306916

Telephone 6548331728
Fax 8339082163
Organization at the Same NPPES Address or Phone
Summit Medical Group, Pllc Facility NPI 1003319237

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Summit Medical Group, Pllc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2023

Medicare patients

363 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider, 2024.

Medicare-allowed amount

About $65,837 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Paid by Medicare

About $50,619 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

30-day fills

1,174 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$14,530 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers โ€“ by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $469.84 across 31 records.

By nature of payment

  • Food and Beverage: $469.84 across 31 records.

Reporting-company totals (3 largest of 10)

  • ABBVIE INC.: $224.80 across 16 records.
  • GlaxoSmithKline, LLC.: $66.82 across 4 records.
  • Novo Nordisk Inc: $47.04 across 3 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

3 years (graduated 2023)

CMS Doctors and Clinicians data list 2023 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2023

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, โ€œDoes your provider accept Medicare as full payment?โ€

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Robert Karnes has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Robert Karnes as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Oak Ridge and Tennessee

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 60% of clinicians listed under Nurse Practitioner in Oak Ridge, TN (2024, 17 clinicians with data). Median for this group: 1,144. Middle half: 126 to 2,547.

More Medicare Part B services than 80% of clinicians listed under Nurse Practitioner in Tennessee (2024, 1,028 clinicians with data). Median for this group: 374. Middle half: 119 to 1,200.

Medicare-allowed amount

A higher Medicare-allowed amount than 65% of clinicians listed under Nurse Practitioner in Oak Ridge, TN (2024, 17 clinicians with data). Median for this group: $57,960. Middle half: $5,935 to $67,513.

A higher Medicare-allowed amount than 75% of clinicians listed under Nurse Practitioner in Tennessee (2024, 1,028 clinicians with data). Median for this group: $23,735. Middle half: $8,413 to $57,513.

Paid by Medicare

A higher Medicare payment amount than 75% of clinicians listed under Nurse Practitioner in Oak Ridge, TN (2024, 17 clinicians with data). Median for this group: $44,580. Middle half: $4,863 to $50,619.

A higher Medicare payment amount than 75% of clinicians listed under Nurse Practitioner in Tennessee (2024, 1,028 clinicians with data). Median for this group: $17,972. Middle half: $5,982 to $43,594.

Medicare Part D prescriptions

Close to the middle for clinicians listed under Nurse Practitioner in Oak Ridge, TN (2024, 18 clinicians with data). Median for this group: 714. Middle half: 309 to 1,621.

More Part D prescriptions than 60% of clinicians listed under Nurse Practitioner in Tennessee (2024, 1,174 clinicians with data). Median for this group: 494. Middle half: 128 to 1,588.

Part D drug cost

A lower Part D drug cost than 75% of clinicians listed under Nurse Practitioner in Oak Ridge, TN (2024, 18 clinicians with data). Median for this group: $78,017. Middle half: $16,865 to $190,118.

Close to the middle for clinicians listed under Nurse Practitioner in Tennessee (2024, 1,174 clinicians with data). Median for this group: $32,948. Middle half: $1,960 to $194,088.

26 active clinicians are listed under Nurse Practitioner with a practice address in Oak Ridge, TN (2,305 in Tennessee).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Oak Ridge

7.7% of these 26 clinicians have the CMS telehealth indicator.

69.2% of these 26 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments ยท Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 โ€“ December 31, 2025): 31 records totaling $469.84.

Manufacturer Payment Nature Product Type Amount ($)
ABBVIE INC.
Food and Beverage
In-kind items and services
UBRELVY General $24.76
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
AIRSUPRA General $21.90
ABBVIE INC.
Food and Beverage
In-kind items and services
QULIPTA General $21.34
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
SHINGRIX General $20.61
ABBVIE INC.
Food and Beverage
In-kind items and services
VRAYLAR General $20.37
Pfizer Inc.
Food and Beverage
In-kind items and services
PREVNAR 20 General $19.49
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
SHINGRIX General $17.53
Sumitomo Pharma America, Inc.
Food and Beverage
In-kind items and services
GEMTESA General $16.86
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $16.71
ABBVIE INC.
Food and Beverage
In-kind items and services
UBRELVY General $16.32
Phathom Pharmaceuticals, Inc.
Food and Beverage
Cash or cash equivalent
VOQUEZNA General $16.11
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $15.56
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Ozempic General $14.77
ABBVIE INC.
Food and Beverage
In-kind items and services
VRAYLAR General $14.64
Astellas Pharma US Inc
Food and Beverage
In-kind items and services
Veozah General $14.55
Phathom Pharmaceuticals, Inc.
Food and Beverage
Cash or cash equivalent
VOQUEZNA General $14.50
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
SHINGRIX General $14.42
Boehringer Ingelheim Pharmaceuticals, Inc.
Food and Beverage
In-kind items and services
JARDIANCE General $14.28
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
SHINGRIX General $14.26
ABBVIE INC.
Food and Beverage
In-kind items and services
VRAYLAR General $13.91
ABBVIE INC.
Food and Beverage
In-kind items and services
QULIPTA General $13.82
ABBVIE INC.
Food and Beverage
In-kind items and services
QULIPTA General $13.73
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $13.49
ABBVIE INC.
Food and Beverage
In-kind items and services
UBRELVY General $12.34
ABBVIE INC.
Food and Beverage
In-kind items and services
VRAYLAR General $12.27

(top 25 shown)

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B ยท Data Year 2024

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ€“ by Provider and Service data, 2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
355 260 $158.00 $70.38
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
355 248 $54.00 $12.94
J1100 Injection, dexamethasone sodium phosphate, 1 mg
248 29 $1.00 $0.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
175 129 $230.00 $100.16
36415 Insertion of needle into vein for collection of blood sample
81 68 $16.00 $8.65
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen
62 62 $89.00 $49.53
96372 Injection of drug or substance under skin or into muscle
62 45 $58.00 $10.94
87502 Detection test by nucleic acid for multiple types influenza virus
60 60 $199.00 $92.46
81003 Automated urinalysis test
54 43 $6.00 $2.20
80053 Blood test, comprehensive group of blood chemicals
49 45 $21.00 $10.35
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
49 43 $19.00 $7.61
71046 X-ray of chest, 2 views
39 37 $82.00 $25.61
G0008 Administration of influenza virus vaccine
20 20 $39.20 $29.78
90662 Influenza vaccine split virus, preservative free
18 18 $99.67 $81.82
80061 Blood test, lipids (cholesterol and triglycerides)
17 16 $32.00 $13.12
84443 Blood test, thyroid stimulating hormone (tsh)
17 16 $40.00 $16.46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
17 17 $330.00 $101.31
83036 Hemoglobin a1c level
16 16 $23.00 $9.52
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
13 13 $39.00 $11.01
99495 Transitional care management services for problem of at least moderate complexity
13 12 $394.00 $150.68
G0444 Annual depression screening, 5 to 15 minutes
11 11 $50.00 $14.56

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D ยท Data Year 2024
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Methylprednisolone Methylprednisolone 76 456 $461.08 72
Azithromycin Azithromycin 62 307 $289.55 59
Fluticasone Propionate Fluticasone Propionate 53 2,145 $478.06 40
Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav 50 402 $443.37 47
Doxycycline Hyclate Doxycycline Hyclate 38 337 $259.79 36
Atorvastatin Calcium Atorvastatin Calcium 34 1,734 $147.57 12
Mupirocin Mupirocin 32 591 $205.75 29
Rosuvastatin Calcium Rosuvastatin Calcium 31 1,830 $251.43 14
Gabapentin Gabapentin 30 1,345 $386.61 18
Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst 30 220 $421.21 28
Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen 28 540 $481.18 19
Amlodipine Besylate Amlodipine Besylate 28 1,800 $65.89 13
Diclofenac Sodium Diclofenac Sodium 28 621 $607.42 15
Tamsulosin Hcl Tamsulosin Hcl 27 1,197 $308.15 โ€”
Albuterol Sulfate Hfa Albuterol Sulfate 24 455 $571.08 22
Levothyroxine Sodium Levothyroxine Sodium 22 1,683 $256.92 12
Triamcinolone Acetonide Triamcinolone Acetonide 21 531 $80.85 16
Ondansetron Odt Ondansetron 21 197 $281.18 19
Tizanidine Hcl Tizanidine Hcl 21 352 $165.73 17
Losartan Potassium Losartan Potassium 19 1,350 $130.86 12
Hydrochlorothiazide Hydrochlorothiazide 18 1,140 $39.87 โ€”
Pantoprazole Sodium Pantoprazole Sodium 18 1,200 $162.29 โ€”
Buspirone Hcl Buspirone Hcl 17 570 $239.22 โ€”
Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim 16 145 $40.58 14
Meloxicam Meloxicam 15 1,018 $43.69 โ€”

(top 25 shown)

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2023-11-09
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES TN 34792

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Registered Nurse

NUCC Taxonomy Code: 163W00000X

License # reported to NPPES TN 208290

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Tennessee Department of Health License Verification.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - NURSE PRACTITIONER

Medicare Enrollment ID

I20231116000529

Enrollment State Jurisdiction

TN

PECOS Control ID

4385091164

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Summit Medical Group, Pllc

801 Oak Ridge Tpke, Oak Ridge, TN 378306916

Phone: 8654833172

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

11 listed
Melissa Brooker , FNP

Nurse Practitioner - Family

NPI 1720711013

Family Nurse Practitioner

Haley Carver , PA

Physician Assistant - Medical

NPI 1487368502

Physician Assistant

Tara Casey , APRN

Nurse Practitioner - Family

NPI 1558998658

Advanced Practice Registered Nurse

Corrinne Curry , APRN

Nurse Practitioner

NPI 1083158414

Advanced Practice Registered Nurse

Dr. Sonali Deo , MD

Family Medicine

NPI 1215121611

Doctor of Medicine (M.D.)

Dr. James Hart , DO

Family Medicine

NPI 1093196420

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

9 Historical Events
๐Ÿ“
Updated Practice Location November 09, 2023

Registered at 801 OAK RIDGE TPKE, OAK RIDGE, TN 378306916 (Tel: 6548331728)

๐Ÿ“
Updated Business Mailing Address November 09, 2023

Registered at 1275 DICK LONAS RD UNIT 101, KNOXVILLE, TN 379091383 (Tel: 8655844747)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) November 09, 2023

Nurse Practitioner (license number reported to NPPES: TN 34792)

โœ…
NPI Profile Active October 03, 2023

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) October 03, 2023

Registered at 3043 TIPTON STATION RD, KNOXVILLE, TN 379209509 (Tel: 8654415329)

๐Ÿ“
Business Mailing Address (Initial Record) October 03, 2023

Registered at 3043 TIPTON STATION RD, KNOXVILLE, TN 379209509 (Tel: 8654415329)

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) October 03, 2023

Recorded as ROBERT KARNES, NP

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) October 03, 2023

Registered Nurse (license number reported to NPPES: TN 208290)

๐ŸŸข
Initial NPI Registration & Enumeration October 03, 2023

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1699555037
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 03, 2023
Last Update: November 09, 2023
Sole Proprietor: No

Other Nurse Practitioners in Oak Ridge

All Nurse Practitioners in Oak Ridge

Mailing Address

1275 Dick Lonas Rd Unit 101

Knoxville, TN 379091383

Phone: 8655844747

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.