Dr. Ryan Brand Gienapp, DO
- Medicare services, 2024
- 860
- Medicare patients, 2024
- 383
- Part D claims, 2024
- 4,158
- Hospital affiliations
- 5
- Industry payments
- $21
- Practice address
- 3521 NW Samaritan Dr, Corvallis, OR 97330
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Samaritan Internal Medicine - HOPD
Acute Care Hospital outpatient department · Corvallis, Oregon
Find Dr. Gienapp's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ryan Brand Gienapp is an internist in Corvallis, Oregon
Dr. Gienapp practices at Samaritan Internal Medicine - HOPD in Corvallis, Oregon.
Dr. Gienapp's NPI, 1639798267, was assigned on April 14, 2020. Dr. Gienapp graduated from Pacific NW Un of HS, Col of Osteopathic Medicine in 2020. Dr. Gienapp holds Oregon license DO217191.
- NPI
- 1639798267NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709207277
- NPI enumeration date
- April 14, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Brand Gienapp practices at Samaritan Internal Medicine - HOPD in Corvallis, Oregon
Dr. Gienapp's primary practice is Samaritan Internal Medicine - HOPD, at 3521 NW Samaritan Dr, Corvallis, OR 97330.
- Samaritan Internal Medicine - HOPD3521 NW Samaritan Dr, Corvallis, OR 97330
Source: Dmand AI Affiliation Data
Dr. Ryan Brand Gienapp is affiliated with 11 sites of care and 1 medical group
Dr. Gienapp's primary practice is Samaritan Internal Medicine - HOPD in Corvallis, Oregon. Dr. Gienapp is also affiliated with Good Samaritan Regional Medical Center. The medical group on file is Good Samaritan Regional Medical Center. Dmand AI also links Dr. Gienapp to 4 more hospitals, 4 home health agencies and 1 group practice or clinic, each named with a free account. Dr. Gienapp's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ryan Brand Gienapp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gienapp practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Samaritan Internal Medicine - HOPD | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Brand Gienapp is one of 1,680 internists in Oregon
Internal medicine is Dr. Gienapp's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gienapp is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Gienapp
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan Brand Gienapp billed Medicare for 860 services in 2024
CMS data shows 860 Medicare services from Dr. Gienapp across 8 procedure codes in 2024, for 383 Medicare patients. Medicare paid $38,505 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gienapp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1212024: 537344%
- Other services
- 2023: 02024: 323
- Tests and treatments
- 2023: 232024: 0100%
Dr. Gienapp compared with the Oregon median for internists, 2024
- Dr. Gienapp
- Oregon median
- Medicare services
- 860vs 3002.9 times
- Medicare patients
- 383vs 1322.9 times
- Part D claims
- 3,404vs 22215.3 times
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Gienapp's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gienapp and other internists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Brand Gienapp treated 383 Medicare patients in 2024, average age 73
CMS counts 383 Medicare patients who saw Dr. Gienapp in 2024. The largest group is 65 to 74, with 159 patients. 65% of them have high blood pressure, and 63% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gienapp's median patient age at 67, with 50% women.
Dr. Gienapp's Medicare patients by age, 2024
Dr. Gienapp's Medicare patients by sex, 2024
- Women21055%
- Men17345%
Chronic conditions among Dr. Gienapp's Medicare patients, 2024
- High blood pressure65%
- High cholesterol63%
- Arthritis41%
- Diabetes26%
- Mood disorders23%
- Ischemic heart disease20%
- Depression19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gienapp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Brand Gienapp wrote 4,158 Medicare Part D claims in 2024
In 2024, Dr. Gienapp wrote 4,158 Medicare Part D claims for 615 patients. 87% of them were for generic drugs. CMS names the drug for 3,404 of them, across 84 drugs with 11 or more claims each, at $250,298 in total drug cost. In 2023, CMS named 571 claims across 26 drugs.
Dr. Gienapp's Part D claims by kind of drug, 2024
- Generic3,614 claims87%
- Brand-name515 claims12%
- Other29 claims1%
Dr. Gienapp's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gienapp's Part D claims, 2024
- Opioids4%150 of 4,158 claims
- Antibiotics2%87 of 4,158 claims
- Antipsychotics, patients 65 and over0%19 of 4,158 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5712024: 3,404496%
Drugs named by CMS: 84 in 2024, 26 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ryan Brand Gienapp offers telehealth to Medicare patients
Dr. Gienapp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gienapp as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ryan Brand Gienapp received $21 in industry payments in 2021
CMS Open Payments shows 2 general payments to Dr. Gienapp from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. United Therapeutics Corporation paid the most, $21.
Companies that paid Dr. Gienapp the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan Brand Gienapp graduated from Pacific NW Un of HS, Col of Osteopathic Medicine
Dr. Gienapp graduated from Pacific NW Un of HS, Col of Osteopathic Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Brand Gienapp's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ryan Brand Gienapp
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ryan Brand Gienapp's NPI number?
Dr. Ryan Brand Gienapp's NPI number is 1639798267. It was assigned on April 14, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Brand Gienapp?
Dr. Ryan Brand Gienapp is an internist in Corvallis, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ryan Brand Gienapp practice?
Dr. Gienapp practices at 3521 NW Samaritan Dr, Corvallis, OR 97330. Dr. Gienapp's primary practice is Samaritan Internal Medicine - HOPD in Corvallis, Oregon. Dmand AI also links Dr. Gienapp to 4 hospitals, 4 home health agencies and 1 group practice or clinic.
What is Dr. Ryan Brand Gienapp's medical license number?
Dr. Gienapp holds Oregon license DO217191.
Which hospitals is Dr. Ryan Brand Gienapp affiliated with?
Dr. Gienapp is affiliated with Good Samaritan Regional Medical Center. Dmand AI links Dr. Gienapp to 4 more hospitals.
What medical group is Dr. Ryan Brand Gienapp part of?
Dr. Gienapp is linked to Good Samaritan Regional Medical Center.
Does Dr. Ryan Brand Gienapp accept Medicare?
Yes. CMS data shows Dr. Gienapp billed Medicare for 860 services in 2024, and Dr. Gienapp accepts Medicare assignment.
Does Dr. Ryan Brand Gienapp offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gienapp as offering telehealth services.
How many Medicare patients does Dr. Ryan Brand Gienapp see?
CMS counts 383 Medicare patients who saw Dr. Gienapp in 2024, with an average age of 73.
What services does Dr. Ryan Brand Gienapp bill to Medicare?
In 2024, Dr. Gienapp's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
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Where did Dr. Ryan Brand Gienapp go to medical school?
Dr. Gienapp graduated from Pacific NW Un of HS, Col of Osteopathic Medicine in 2020.
What drugs does Dr. Ryan Brand Gienapp prescribe most?
In 2024 Medicare Part D data, Dr. Gienapp's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Ryan Brand Gienapp received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Gienapp from 1 company from 2021 to 2021. The largest total came from United Therapeutics Corporation.
How long has Dr. Ryan Brand Gienapp been practicing?
Dr. Gienapp graduated from medical school in 2020, 6 years ago.
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