Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Gregory Wilkinson Smith , PA-C

Physician Assistant โ€ข Salisbury, MD

Active NPI 1891267647 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

100 E Carroll St
Salisbury, MD 218015422

Call 4105466400 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

100 E Carroll St

Salisbury, MD 218015422

Telephone 4105466400
Organization at the Same NPPES Address or Phone
Tidalhealth Peninsula Regional, Inc. Facility NPI 1780689463

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 2 distinct group names: Tidalhealth Atlantic Inc; Tidalhealth Primary Care Llc. 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

2018

Medicare patients

394 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 $130,198 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 $95,542 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

10,573 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

$468,171 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: $692.75 across 29 records.

By nature of payment

  • Food and Beverage: $692.75 across 29 records.

Reporting-company totals (3 largest of 13)

  • ASD Specialty Healthcare, LLC: $161.91 across 1 record.
  • Eli Lilly and Company: $124.35 across 6 records.
  • Novo Nordisk Inc: $110.84 across 6 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

8 years (graduated 2018)

CMS Doctors and Clinicians data list 2018 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

2018

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)

Gregory Smith 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 Gregory Smith 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 Salisbury and Maryland

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 85% of clinicians listed under Physician Assistant in Salisbury, MD (2024, 62 clinicians with data). Median for this group: 524. Middle half: 222 to 853.

More Medicare Part B services than 85% of clinicians listed under Physician Assistant in Maryland (2024, 1,553 clinicians with data). Median for this group: 283. Middle half: 85 to 795.

Medicare-allowed amount

A higher Medicare-allowed amount than 95% of clinicians listed under Physician Assistant in Salisbury, MD (2024, 62 clinicians with data). Median for this group: $42,058. Middle half: $15,729 to $74,612.

A higher Medicare-allowed amount than 90% of clinicians listed under Physician Assistant in Maryland (2024, 1,553 clinicians with data). Median for this group: $23,589. Middle half: $8,301 to $55,477.

Paid by Medicare

A higher Medicare payment amount than 95% of clinicians listed under Physician Assistant in Salisbury, MD (2024, 62 clinicians with data). Median for this group: $31,328. Middle half: $11,736 to $55,040.

A higher Medicare payment amount than 90% of clinicians listed under Physician Assistant in Maryland (2024, 1,553 clinicians with data). Median for this group: $17,886. Middle half: $6,225 to $41,454.

Medicare Part D prescriptions

More Part D prescriptions than 95% of clinicians listed under Physician Assistant in Salisbury, MD (2024, 62 clinicians with data). Median for this group: 228. Middle half: 76 to 871.

More Part D prescriptions than 95% of clinicians listed under Physician Assistant in Maryland (2024, 1,440 clinicians with data). Median for this group: 160. Middle half: 54 to 495.

Part D drug cost

A higher Part D drug cost than 95% of clinicians listed under Physician Assistant in Salisbury, MD (2024, 62 clinicians with data). Median for this group: $1,896. Middle half: $364 to $85,026.

A higher Part D drug cost than 95% of clinicians listed under Physician Assistant in Maryland (2024, 1,440 clinicians with data). Median for this group: $2,364. Middle half: $446 to $33,986.

101 active clinicians are listed under Physician Assistant with a practice address in Salisbury, MD (3,316 in Maryland).

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

Telehealth indicator in Salisbury

9.9% of these 101 clinicians have the CMS telehealth indicator.

64.4% of these 101 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): 29 records totaling $692.75.

Manufacturer Payment Nature Product Type Amount ($)
ASD Specialty Healthcare, LLC
Food and Beverage
In-kind items and services
โ€” General $161.91
Eli Lilly and Company
Food and Beverage
In-kind items and services
โ€” General $27.34
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
TZIELD General $26.64
Bayer Healthcare Pharmaceuticals Inc.
Food and Beverage
In-kind items and services
Kerendia General $24.16
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $23.86
Pfizer Inc.
Food and Beverage
In-kind items and services
PREVNAR 20 General $23.43
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $21.39
Exact Sciences Corporation
Food and Beverage
In-kind items and services
Cologuard Collection Kit General $21.07
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $20.41
Pfizer Inc.
Food and Beverage
In-kind items and services
PAXLOVID General $20.32
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $19.53
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $19.51
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
TRELEGY ELLIPTA General $19.23
Exact Sciences Corporation
Food and Beverage
In-kind items and services
Cologuard Collection Kit General $18.75
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $18.52
Verona Pharma, Inc.
Food and Beverage
Cash or cash equivalent
Ohtuvayre General $18.41
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
AIRSUPRA General $18.39
Bayer Healthcare Pharmaceuticals Inc.
Food and Beverage
In-kind items and services
Kerendia General $18.34
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Wegovy General $18.09
Novo Nordisk Inc
Food and Beverage
In-kind items and services
Ozempic General $18.06
Exact Sciences Corporation
Food and Beverage
In-kind items and services
Cologuard Collection Kit General $17.69
Exact Sciences Corporation
Food and Beverage
In-kind items and services
Cologuard Collection Kit General $17.65
Tactile Systems Technology Inc
Food and Beverage
In-kind items and services
Flexitouch Plus General $17.03
Eli Lilly and Company
Food and Beverage
In-kind items and services
JARDIANCE General $16.72
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $16.52

(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
Reporting Year:

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2018โ€“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, 2019โ€“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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
605 310 $276.00 $89.67
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
268 173 $187.00 $63.06
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
264 264 $291.00 $109.56
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
119 99 $40.00 $13.83
G0442 Annual alcohol misuse screening, 5 to 15 minutes
60 60 $44.00 $15.92
G0008 Administration of influenza virus vaccine
45 45 $65.00 $32.30
90662 Influenza vaccine split virus, preservative free
41 41 $85.00 $81.82
99495 Transitional care management services for problem of at least moderate complexity
37 30 $426.00 $174.83
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
31 26 $446.00 $128.59
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza
29 25 $159.00 $68.88
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
21 21 $435.00 $139.10
71046 X-ray of chest, 2 views
19 17 $89.00 $28.22
73564 X-ray of knee, 4 or more views
15 11 $114.00 $40.12
G0009 Administration of pneumococcal vaccine
15 15 $65.00 $32.30
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment
15 15 $421.00 $138.90
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
13 12 $43.00 $12.13
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
12 12 $371.00 $289.78

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
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Atorvastatin Calcium Atorvastatin Calcium 476 38,214 $4,999.32 133
Losartan Potassium Losartan Potassium 227 16,765 $2,541.69 63
Amlodipine Besylate Amlodipine Besylate 213 16,794 $2,009.03 65
Lisinopril Lisinopril 206 15,721 $1,669.69 58
Levothyroxine Sodium Levothyroxine Sodium 189 14,950 $1,470.14 47
Metformin Hcl Metformin Hcl 166 12,375 $986.95 47
Pantoprazole Sodium Pantoprazole Sodium 146 11,268 $1,882.81 45
Hydrochlorothiazide Hydrochlorothiazide 145 11,590 $786.31 42
Montelukast Sodium Montelukast Sodium 141 10,868 $1,649.42 39
Escitalopram Oxalate Escitalopram Oxalate 121 8,308 $1,660.79 27
Ozempic Semaglutide 98 5,108 $146,991.31 19
Metoprolol Succinate Metoprolol Succinate 96 7,320 $1,625.19 23
Metoprolol Tartrate Metoprolol Tartrate 91 7,771 $556.28 28
Simvastatin Simvastatin 86 7,740 $1,207.71 24
Allopurinol Allopurinol 84 7,380 $1,349.65 27
Sertraline Hcl Sertraline Hcl 80 5,820 $686.70 23
Rosuvastatin Calcium Rosuvastatin Calcium 75 6,330 $1,326.21 29
Omeprazole Omeprazole 74 6,530 $954.79 22
Eliquis Apixaban 73 3,367 $62,094.81 16
Meloxicam Meloxicam 71 2,730 $365.61 23
Furosemide Furosemide 68 4,684 $241.74 21
Fluticasone Propionate Fluticasone Propionate 65 4,290 $941.43 22
Tamsulosin Hcl Tamsulosin Hcl 65 4,650 $913.82 20
Albuterol Sulfate Hfa Albuterol Sulfate 65 2,247 $2,325.22 22
Pravastatin Sodium Pravastatin Sodium 61 5,490 $921.56 19

(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

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES MD C0007057

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Internal Medicine - Critical Care Medicine

NUCC Taxonomy Code: 207RC0200X

License # reported to NPPES MD C0007057

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

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: Maryland Board of Physicians.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Other Identifier Medical Licsense
C0007057 (MD)

Medicare (PECOS) Enrollment & Ordering Eligibility

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

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20190314002731

Enrollment State Jurisdiction

MD

PECOS Control ID

0840530515

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

Tidalhealth Atlantic Inc

9714 Healthway Dr, Berlin, MD 218111154

Phone: 4106413340

Tidalhealth Primary Care Llc

400 Eastern Shore Dr, Salisbury, MD 218045513

Phone: 4105438240

Tidalhealth Atlantic Inc

1001 Philadelphia Ave, Ocean City, MD 218423735

Phone: 4102896241

Tidalhealth Atlantic Inc

6040 Public Landing Rd, Snow Hill, MD 218632453

Phone: 4106290041

Clinicians Sharing This Practice Address or Phone

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

20 listed
Nicolas Alfonso Baron , PA

Physician Assistant

NPI 1063275436

Physician Assistant

Deribe Aragaw

Internal Medicine

NPI 1083147516
Rebecca Chmielewski , PA-C

Internal Medicine - Critical Care Medicine

NPI 1093421489

Physician Assistant (Certified)

Dr. Daniel Collector , MD

Student in an Organized Health Care Education/Training Program

NPI 1003508243

Doctor of Medicine (M.D.)

NPI 1184365306

Doctor of Medicine (M.D.)

NPI 1033599113

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History

NPI enumerated December 18, 2018.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2019 to November 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1891267647
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 18, 2018
Last Update: December 20, 2018
Sole Proprietor: No

Other Physician Assistants in Salisbury

All Physician Assistants in Salisbury

Mailing Address

100 E Carroll St

Salisbury, MD 218015422

Phone: 8007495191

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.