IndividualActive
James Thayer, MD
NPI 1972551976 · Internal Medicine Physician · Portland, OR
James Thayer, MD is a Internal Medicine Physician provider in Portland, OR (NPI 1972551976).
Provider details
- NPI number
- 1972551976
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD13684 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
426 Sw Stark St
5th Floor
Portland, OR 97204-2347
Phone: (503) 988-5140
Fax: (503) 988-5180
Street-level locationGet directions
Mailing address
421 Sw Oak St
Portland, OR 97204-1817
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2013-08-28
Frequently asked questions
- What is James Thayer's NPI number?
- James Thayer's National Provider Identifier (NPI) is 1972551976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Thayer's specialty?
- James Thayer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Thayer located?
- James Thayer's practice location on file with NPPES is 426 Sw Stark St, Portland, OR 97204-2347.
- What is James Thayer's phone number?
- The practice phone number listed in the NPPES registry for James Thayer is (503) 988-5140.
- Is James Thayer's NPI active?
- Yes — James Thayer's NPI (1972551976) is active in the NPPES registry as of the last update on 2013-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.