Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Ryan Brand Gienapp , DO

Internal Medicine โ€ข Corvallis, OR

Active NPI 1639798267 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

3521 Nw Samaritan Dr Ste 201
Corvallis, OR 973304744

Call 5417685140 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

3521 Nw Samaritan Dr Ste 201

Corvallis, OR 973304744

Telephone 5417685140
Organization at the Same NPPES Address or Phone
Good Samaritan Hospital Corvallis Facility NPI 1063787851

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

NPPES lists 1 additional practice-address record in Corvallis, OR. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Good Samaritan Hospital Corvallis. 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

Medical School

Pacific Nw Un Of Hs, Col Of Osteopathic Medicine

Graduation Year

2020

Medicare patients

383 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 $53,041 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 $38,503 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

7,221 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

$250,298 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 2021

All general payments: $20.76 across 2 records.

By nature of payment

  • Food and Beverage: $20.76 across 2 records.

Reporting-company totals

  • United Therapeutics Corporation: $20.76 across 2 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 2021 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

6 years (graduated 2020)

CMS Doctors and Clinicians data list 2020 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

2020

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)

Dr. Gienapp 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 Dr. Gienapp 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 Corvallis and Oregon

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 75% of clinicians listed under Internal Medicine in Corvallis, OR (2024, 65 clinicians with data). Median for this group: 515. Middle half: 242 to 781.

More Medicare Part B services than 80% of clinicians listed under Internal Medicine in Oregon (2024, 992 clinicians with data). Median for this group: 375. Middle half: 179 to 697.

Medicare-allowed amount

A higher Medicare-allowed amount than 60% of clinicians listed under Internal Medicine in Corvallis, OR (2024, 65 clinicians with data). Median for this group: $40,972. Middle half: $25,887 to $62,180.

A higher Medicare-allowed amount than 70% of clinicians listed under Internal Medicine in Oregon (2024, 992 clinicians with data). Median for this group: $33,992. Middle half: $17,301 to $56,415.

Paid by Medicare

A higher Medicare payment amount than 60% of clinicians listed under Internal Medicine in Corvallis, OR (2024, 65 clinicians with data). Median for this group: $32,092. Middle half: $18,495 to $46,663.

A higher Medicare payment amount than 70% of clinicians listed under Internal Medicine in Oregon (2024, 992 clinicians with data). Median for this group: $25,069. Middle half: $12,204 to $40,893.

Medicare Part D prescriptions

More Part D prescriptions than 80% of clinicians listed under Internal Medicine in Corvallis, OR (2024, 71 clinicians with data). Median for this group: 224. Middle half: 104 to 1,735.

More Part D prescriptions than 70% of clinicians listed under Internal Medicine in Oregon (2024, 1,208 clinicians with data). Median for this group: 565. Middle half: 88 to 4,339.

Part D drug cost

A higher Part D drug cost than 70% of clinicians listed under Internal Medicine in Corvallis, OR (2024, 71 clinicians with data). Median for this group: $14,960. Middle half: $1,200 to $328,043.

A higher Part D drug cost than 70% of clinicians listed under Internal Medicine in Oregon (2024, 1,208 clinicians with data). Median for this group: $35,352. Middle half: $2,511 to $309,543.

129 active clinicians are listed under Internal Medicine with a practice address in Corvallis, OR (2,118 in Oregon).

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

Telehealth indicator in Corvallis

17.8% of these 129 clinicians have the CMS telehealth indicator.

50.4% of these 129 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 (2021), 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 2021

Program year 2021 (payments made January 1 โ€“ December 31, 2021): fewer than 11 records totaling $20.76.

Manufacturer Payment Nature Product Type Amount ($)
United Therapeutics Corporation
Food and Beverage
In-kind items and services
TYVASO General $10.38
United Therapeutics Corporation
Food and Beverage
In-kind items and services
TYVASO General $10.38

Source: CMS Open Payments, program year 2021, 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 2022โ€“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, 2023โ€“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
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
291 177 $45.00 $15.74
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
250 191 $96.00 $62.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
160 116 $140.00 $92.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
49 49 $118.00 $77.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
47 47 $176.00 $126.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
32 32 $358.00 $124.81
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
17 13 $192.00 $136.91
99495 Transitional care management services for problem of at least moderate complexity
14 14 $544.00 $133.45

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 252 19,617 $4,594.49 93
Levothyroxine Sodium Levothyroxine Sodium 189 13,565 $2,481.45 58
Lisinopril Lisinopril 173 13,974 $2,085.36 66
Losartan Potassium Losartan Potassium 130 10,725 $1,749.67 57
Amlodipine Besylate Amlodipine Besylate 120 9,507 $854.48 44
Metformin Hcl Metformin Hcl 102 6,910 $1,309.89 31
Omeprazole Omeprazole 81 6,373 $1,122.67 27
Pregabalin Pregabalin 73 2,933 $6,264.06 23
Metoprolol Succinate Metoprolol Succinate 72 6,183 $1,464.90 37
Tamsulosin Hcl Tamsulosin Hcl 72 4,530 $1,201.48 31
Albuterol Sulfate Hfa Albuterol Sulfate 67 1,693 $2,105.24 35
Gabapentin Gabapentin 66 4,394 $1,634.41 29
Hydrochlorothiazide Hydrochlorothiazide 65 5,100 $313.80 26
Eliquis Apixaban 65 3,382 $64,581.00 28
Furosemide Furosemide 61 3,868 $447.69 27
Bupropion Xl Bupropion Hcl 61 3,845 $1,567.13 19
Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen 60 1,485 $778.89 18
Pantoprazole Sodium Pantoprazole Sodium 54 3,505 $643.66 19
Simvastatin Simvastatin 51 4,186 $430.02 17
Duloxetine Hcl Duloxetine Hcl 47 2,913 $1,595.40 14
Escitalopram Oxalate Escitalopram Oxalate 46 2,664 $788.46 13
Clopidogrel Clopidogrel Bisulfate 41 3,022 $752.89 14
Cyclobenzaprine Hcl Cyclobenzaprine Hcl 41 1,340 $298.23 16
Trazodone Hcl Trazodone Hcl 41 2,550 $235.04 19
Metformin Hcl Er Metformin Hcl 41 3,540 $760.42 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

Self-certified to NPPES: 2023-09-19
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES OR DO217191

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES OR 199627

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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: Oregon Medical Board.
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 - INTERNAL MEDICINE

Medicare Enrollment ID

I20230918001816

Enrollment State Jurisdiction

OR

PECOS Control ID

6709207277

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

Good Samaritan Hospital Corvallis

3600 Nw Samaritan Dr, Corvallis, OR 973303737

Phone: 5417681261

Good Samaritan Hospital Corvallis

3600 Nw Samaritan Dr, Corvallis, OR 973303737

Good Samaritan Hospital Corvallis

3615 Nw Samaritan Dr, Corvallis, OR 973303771

Secondary Practice Locations

3600 Nw Samaritan Dr

Corvallis, OR 973303737

Phone: 5417684906

Clinicians Sharing This Practice Address or Phone

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

15 listed
NPI 1619916483

Doctor of Medicine (M.D.), MACP

Dr. Courtney Chason , DO

Internal Medicine

NPI 1053057091

Doctor of Osteopathic Medicine (D.O.)

Dr. Skotti Church , MD

Internal Medicine - Geriatric Medicine

NPI 1205060555

Doctor of Medicine (M.D.)

Maria Clark-Harmon , ANP

Nurse Practitioner - Adult Health

NPI 1013956036

Adult Nurse Practitioner

NPI 1629463237

Doctor of Osteopathic Medicine (D.O.)

NPI 1013336510

Doctor of Psychology (Psy.D.)

Career & Practice History Timeline

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

8 Historical Events
๐Ÿ“
Updated Practice Location September 19, 2023

Registered at 3521 NW SAMARITAN DR STE 201, CORVALLIS, OR 973304744 (Tel: 5417685140)

๐Ÿ“
Updated Business Mailing Address September 19, 2023

Registered at PO BOX 1189, CORVALLIS, OR 973391189

โœ…
NPI Profile Active April 14, 2020

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) April 14, 2020

Registered at 3600 NW SAMARITAN DR, CORVALLIS, OR 973303737 (Tel: 5417684906)

๐Ÿ“
Business Mailing Address (Initial Record) April 14, 2020

Registered at 3600 NW SAMARITAN DR, CORVALLIS, OR 973303737 (Tel: 5417684906)

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) April 14, 2020

Recorded as RYAN GIENAPP, DO

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) April 14, 2020

Internal Medicine (license number reported to NPPES: OR 199627)

๐ŸŸข
Initial NPI Registration & Enumeration April 14, 2020

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1639798267
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 14, 2020
Last Update: September 19, 2023
Sole Proprietor: Yes

Other Internal Medicine Providers in Corvallis

All Internal Medicine Providers in Corvallis

Mailing Address

Po Box 1189

Corvallis, OR 973391189

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.