Harold Douglass, M.D.
NPI 1316286404 · Surgical Oncology Physician · Williamsville, NY
Harold Douglass, M.D. is a Surgical Oncology Physician provider in Williamsville, NY (NPI 1316286404).
Provider details
- NPI number
- 1316286404
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 082665 (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
13 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
- 2013-02-08
- Last updated
- 2013-02-08
Frequently asked questions
- What is Harold Douglass's NPI number?
- Harold Douglass's National Provider Identifier (NPI) is 1316286404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Douglass's specialty?
- Harold Douglass is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Douglass located?
- Harold Douglass's practice location on file with NPPES is 72 Andover Ln, Williamsville, NY 14221-3309.
- What is Harold Douglass's phone number?
- The practice phone number listed in the NPPES registry for Harold Douglass is (716) 633-2796.
- Is Harold Douglass's NPI active?
- Yes — Harold Douglass's NPI (1316286404) is active in the NPPES registry as of the last update on 2013-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.