Thomas Przybycien, MD
NPI 1821747957 · Pediatric Cardiology Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Przybycien, MD is a Pediatric Cardiology Physician provider in San Francisco, CA (NPI 1821747957).
Provider details
- NPI number
- 1821747957
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-03-23
- Last updated
- 2025-05-29
- Certified
- 2025-05-29
Frequently asked questions
- What is Thomas Przybycien's NPI number?
- Thomas Przybycien's National Provider Identifier (NPI) is 1821747957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Przybycien's specialty?
- Thomas Przybycien is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Przybycien located?
- Thomas Przybycien's practice location on file with NPPES is 550 16th St Fl 4, San Francisco, CA 94143-2549.
- What is Thomas Przybycien's phone number?
- The practice phone number listed in the NPPES registry for Thomas Przybycien is (415) 476-2981.
- Does Thomas Przybycien accept Medicare?
- Thomas Przybycien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Przybycien's NPI active?
- Yes — Thomas Przybycien's NPI (1821747957) is active in the NPPES registry as of the last update on 2025-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.