William Gibson, MD,PHD
NPI 1326577958 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gibson, MD,PHD is a Internal Medicine Physician provider in Boston, MA (NPI 1326577958).
Provider details
- NPI number
- 1326577958
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD,PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 271033 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$117 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-07
- Last updated
- 2017-06-07
Frequently asked questions
- What is William Gibson's NPI number?
- William Gibson's National Provider Identifier (NPI) is 1326577958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gibson's specialty?
- William Gibson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Gibson located?
- William Gibson's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is William Gibson's phone number?
- The practice phone number listed in the NPPES registry for William Gibson is (617) 732-5500.
- Does William Gibson accept Medicare?
- William Gibson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gibson's NPI active?
- Yes — William Gibson's NPI (1326577958) is active in the NPPES registry as of the last update on 2017-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.