William Clarke, MD
NPI 1699907485 · Pediatric Anesthesiology Physician · Boston, MA
William Clarke, MD is a Pediatric Anesthesiology Physician provider in Boston, MA (NPI 1699907485).
Provider details
- NPI number
- 1699907485
- Entity type
- Individual
- Primary specialty
- Pediatric Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 47307-020 (WI)
Specialties & taxonomies
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
16 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
- 2009-08-13
- Last updated
- 2019-05-28
Frequently asked questions
- What is William Clarke's NPI number?
- William Clarke's National Provider Identifier (NPI) is 1699907485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Clarke's specialty?
- William Clarke is listed in the NPPES registry with a primary specialty of Pediatric Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Clarke located?
- William Clarke's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is William Clarke's phone number?
- The practice phone number listed in the NPPES registry for William Clarke is (617) 355-6000.
- Is William Clarke's NPI active?
- Yes — William Clarke's NPI (1699907485) is active in the NPPES registry as of the last update on 2019-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.