Martin Thelin, MD, PHD
NPI 1225562440 · Pediatric Endocrinology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Thelin, MD, PHD is a Pediatric Endocrinology Physician provider in San Francisco, CA (NPI 1225562440).
Provider details
- NPI number
- 1225562440
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- A172426 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$134 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 747 52nd StOakland, CA 94609-1809Phone: (510) 428-3654
Registry dates
- Enumerated
- 2017-04-13
- Last updated
- 2024-02-22
- Certified
- 2024-02-22
Frequently asked questions
- What is Martin Thelin's NPI number?
- Martin Thelin's National Provider Identifier (NPI) is 1225562440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Thelin's specialty?
- Martin Thelin is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Thelin located?
- Martin Thelin's practice location on file with NPPES is 550 16th St, San Francisco, CA 94143-2549.
- What is Martin Thelin's phone number?
- The practice phone number listed in the NPPES registry for Martin Thelin is (415) 476-5001.
- Does Martin Thelin accept Medicare?
- Martin Thelin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Thelin's NPI active?
- Yes — Martin Thelin's NPI (1225562440) is active in the NPPES registry as of the last update on 2024-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.