William Bain, M.D.
NPI 1659647675 · Internal Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Bain, M.D. is a Internal Medicine Physician provider in Pittsburgh, PA (NPI 1659647675).
Provider details
- NPI number
- 1659647675
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1007 (MD)
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
14 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
- 2012-03-23
- Last updated
- 2021-07-27
- Certified
- 2021-07-27
Frequently asked questions
- What is William Bain's NPI number?
- William Bain's National Provider Identifier (NPI) is 1659647675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bain's specialty?
- William Bain is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Bain located?
- William Bain's practice location on file with NPPES is 3459 5th Ave, Pittsburgh, PA 15213-3236.
- What is William Bain's phone number?
- The practice phone number listed in the NPPES registry for William Bain is (412) 692-2210.
- Does William Bain accept Medicare?
- William Bain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Bain's NPI active?
- Yes — William Bain's NPI (1659647675) is active in the NPPES registry as of the last update on 2021-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.