Thaddeus Mully, M.D.
NPI 1174519607 · Dermatopathology (Pathology) Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thaddeus Mully, M.D. is a Dermatopathology (Pathology) Physician provider in San Francisco, CA (NPI 1174519607).
Provider details
- NPI number
- 1174519607
- Entity type
- Individual
- Primary specialty
- Dermatopathology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 221206 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 640 Memorial DrCambridge, MA 02139-4853Phone: (617) 252-6880
Registry dates
- Enumerated
- 2005-09-20
- Last updated
- 2018-07-11
Frequently asked questions
- What is Thaddeus Mully's NPI number?
- Thaddeus Mully's National Provider Identifier (NPI) is 1174519607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thaddeus Mully's specialty?
- Thaddeus Mully is listed in the NPPES registry with a primary specialty of Dermatopathology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Thaddeus Mully located?
- Thaddeus Mully's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Thaddeus Mully's phone number?
- The practice phone number listed in the NPPES registry for Thaddeus Mully is (415) 476-1000.
- Does Thaddeus Mully accept Medicare?
- Thaddeus Mully is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thaddeus Mully's NPI active?
- Yes — Thaddeus Mully's NPI (1174519607) is active in the NPPES registry as of the last update on 2018-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.