Ryan S. Griffiths, MD
Nephrology Physician · McMinnville, OR
Ryan S. Griffiths, MD is a nephrology physician with a practice address in McMinnville, Oregon, and NPI 1851516447, issued on Apr 17, 2007. Check the license (Oregon MD28045, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ryan S. Griffiths
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD28045 OR
MD60219076 WA
Self-reported in NPPES; status is on the state search - Practice location
- 232 NE Norton Lane, McMinnville, OR 97128
- Phone
- (503) 434-1159
- Enumerated
- Apr 17, 2007
- Record last updated
- Sep 25, 2025
- Fax
- (503) 434-1190
- Medicare enrollment
- Enrolled (PECOS I20100514000113); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 136 in Oregon → Look up another NPI →
Verify Ryan S. Griffiths in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD28045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average nephrology physician in 2024
4,738 Medicare Part D claims for 625 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Amlodipine Besylate420 claims
- Furosemide350 claims
- Potassium Chloride319 claims
- Calcitriol249 claims
- Carvedilol240 claims
- Lisinopril212 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $49.06
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northwest Renal Clinic IncMcMinnville, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan S. Griffiths among 136 nephrology physician records in Oregon
Ryan S. Griffiths, MD is one of 136 nephrology physician records with a practice address in Oregon. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2005 · median 2003 among the 92 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Oregon
There are 136 nephrology physician records in Oregon.
All 136 in Oregon → Every provider in McMinnville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Dag Kremer, M.D.McMinnville, OR 971281902801335
- Sonia Bynum, M.D.Hillsboro, OR 971241154518504
- Jennifer Schneider, M.D.Hillsboro, OR 971241316171242
- Sarah Zapata, MDHillsboro, OR 971241124279997
- Rubin Chandran, MDHillsboro, OR 971231972571024
- Meenakshi Narasimhamurthy, MDHillsboro, OR 971231083899900
- Marilia Campos, MDSherwood, OR 971401265953434
- Cyril Kuriakose, MDTualatin, OR 970621255536181
Common questions
What is Ryan S. Griffiths, MD's NPI number?
Ryan S. Griffiths, MD's National Provider Identifier (NPI) is 1851516447, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryan S. Griffiths, MD located?
The NPPES record lists a practice address at 232 NE Norton Lane, McMinnville, OR, 97128. Phone: (503) 434-1159. Providers update this record themselves, so call before visiting.
How can I verify Ryan S. Griffiths, MD's license?
NPPES lists Oregon license number MD28045, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan S. Griffiths, MD prescribe under Medicare Part D?
In 2024, Ryan S. Griffiths, MD had 4,738 Medicare Part D claims for 625 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.