William Thelmo, M.D.
NPI 1992762702 · Cytopathology Physician · Brooklyn, NY
William Thelmo, M.D. is a Cytopathology Physician provider in Brooklyn, NY (NPI 1992762702).
Provider details
- NPI number
- 1992762702
- Entity type
- Individual
- Primary specialty
- Cytopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 116828 (NY)
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 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
- 2006-04-26
- Last updated
- 2025-09-11
Frequently asked questions
- What is William Thelmo's NPI number?
- William Thelmo's National Provider Identifier (NPI) is 1992762702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Thelmo's specialty?
- William Thelmo is listed in the NPPES registry with a primary specialty of Cytopathology Physician (Allopathic & Osteopathic Physicians).
- Where is William Thelmo located?
- William Thelmo's practice location on file with NPPES is 374 Stockholm St, Brooklyn, NY 11237-4006.
- What is William Thelmo's phone number?
- The practice phone number listed in the NPPES registry for William Thelmo is (718) 963-6551.
- Is William Thelmo's NPI active?
- Yes — William Thelmo's NPI (1992762702) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.