Michael T. Temkin DO, a Medical Corporation
NPI 1558323394 · Internal Medicine Physician · San Ramon, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael T. Temkin DO, a Medical Corporation is a Internal Medicine Physician organization in San Ramon, CA (NPI 1558323394).
Provider details
- NPI number
- 1558323394
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Temkin, Owner/Physician(925) 866-3900
- License
- 20A6924 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-04-05
- Last updated
- 2020-08-22
Frequently asked questions
- What is Michael T. Temkin DO, a Medical Corporation's NPI number?
- Michael T. Temkin DO, a Medical Corporation's National Provider Identifier (NPI) is 1558323394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael T. Temkin DO, a Medical Corporation?
- Michael T. Temkin DO, a Medical Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael T. Temkin DO, a Medical Corporation located?
- Michael T. Temkin DO, a Medical Corporation's practice location on file with NPPES is 1081 Market Pl, San Ramon, CA 94583-4773.
- What is Michael T. Temkin DO, a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Michael T. Temkin DO, a Medical Corporation is (925) 866-3900.
- Does Michael T. Temkin DO, a Medical Corporation accept Medicare?
- Michael T. Temkin DO, a Medical Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Michael T. Temkin DO, a Medical Corporation?
- The authorized official listed on Michael T. Temkin DO, a Medical Corporation's NPPES record is Michael Temkin, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael T. Temkin DO, a Medical Corporation's NPI active?
- Yes — Michael T. Temkin DO, a Medical Corporation's NPI (1558323394) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.