William Hewlett, MD
NPI 1902553365 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hewlett, MD is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1902553365).
Provider details
- NPI number
- 1902553365
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD492633 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2022-03-06
- Last updated
- 2026-04-28
- Certified
- 2026-04-28
Frequently asked questions
- What is William Hewlett's NPI number?
- William Hewlett's National Provider Identifier (NPI) is 1902553365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hewlett's specialty?
- William Hewlett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Hewlett located?
- William Hewlett's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4238.
- What is William Hewlett's phone number?
- The practice phone number listed in the NPPES registry for William Hewlett is (215) 823-4133.
- Does William Hewlett accept Medicare?
- William Hewlett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hewlett's NPI active?
- Yes — William Hewlett's NPI (1902553365) is active in the NPPES registry as of the last update on 2026-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.