Stephen John Chaffee, DO
Family Medicine Physician · McMinnville, OR
Stephen John Chaffee, DO is a family medicine physician with a practice address in McMinnville, Oregon, and NPI 1487647269, issued on Aug 26, 2005. Check the license (Oregon DO18671, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen John Chaffee
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO18671 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2163 NW 2ND St, McMinnville, OR 97128
- Phone
- (503) 472-4197
- Enumerated
- Aug 26, 2005
- Record last updated
- Apr 3, 2026
- Fax
- (503) 434-2886
- Medicaid ID
- 067582 OR
- Medicare enrollment
- Enrolled (PECOS I20100726000043); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 2163 NW 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bevan Schroeder, PA-CPhysician Assistant1922828268
Verify Stephen John Chaffee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO18671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average family medicine physician in 2024
6,727 Medicare Part D claims for 521 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 314 claims were for opioids.
Most prescribed
- Atorvastatin Calcium407 claims
- Amlodipine Besylate373 claims
- Levothyroxine Sodium331 claims
- Losartan Potassium271 claims
- Lisinopril255 claims
- Rosuvastatin Calcium224 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: $23.59
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- Praxis Health PCDallas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen John Chaffee among 2,847 family medicine physician records in Oregon
Stephen John Chaffee, DO is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2009 among the 1,671 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in McMinnville
They are 27 of the 1,322 NPPES records with a practice address in McMinnville, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in McMinnville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Bliven, M.D.McMinnville, OR 971281942252168
- Leslie Brott, M.D.McMinnville, OR 971281730184391
- Sunisa Chanyaputhipong, MDMcMinnville, OR 971281396791885
- Jacqueline Eriksen, M.D.McMinnville, OR 971281588618458
- Paul Haddeland, M.D.McMinnville, OR 971281811946791
- Melvin HerdMcMinnville, OR 971281568443794
- Ashley Hyder, M.D.McMinnville, OR 971281962416008
- Jennifer Mueller, M.D.McMinnville, OR 971281093740268
Common questions
What is Stephen John Chaffee, DO's NPI number?
Stephen John Chaffee, DO's National Provider Identifier (NPI) is 1487647269, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen John Chaffee, DO located?
The NPPES record lists a practice address at 2163 NW 2ND St, McMinnville, OR, 97128. Phone: (503) 472-4197. Providers update this record themselves, so call before visiting.
How can I verify Stephen John Chaffee, DO's license?
NPPES lists Oregon license number DO18671, 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 Stephen John Chaffee, DO prescribe under Medicare Part D?
In 2024, Stephen John Chaffee, DO had 6,727 Medicare Part D claims for 521 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.