What is William Donahue's NPI number?

William Donahue's National Provider Identifier (NPI) is 1699650390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Donahue's specialty?

William Donahue is listed in the NPPES registry with a primary specialty of Radiological Physics Physician (Allopathic & Osteopathic Physicians).

Where is William Donahue located?

William Donahue's practice location on file with NPPES is 1275 York Ave, New York, NY 10065.

What is William Donahue's phone number?

The practice phone number listed in the NPPES registry for William Donahue is (860) 690-1566.

Is William Donahue's NPI active?

Yes — William Donahue's NPI (1699650390) is active in the NPPES registry as of the last update on 2025-08-11.

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William Donahue, PHD

NPI 1699650390 · Radiological Physics Physician · New York, NY

William Donahue, PHD is a Radiological Physics Physician provider in New York, NY (NPI 1699650390).

Provider details

NPI number: 1699650390
Entity type: Individual
Primary specialty: Radiological Physics PhysicianAllopathic & Osteopathic Physicians
Credential: PHD
Sex: Male
Sole proprietor: No
License: 000726-01 (NY)

Practice location

1275 York Ave

Schwartz S-1119n

New York, NY 10065

Phone: (860) 690-1566

Street-level locationGet directions

More NY providers

Mailing address

1275 York Ave

New York, NY 10065

Specialties & taxonomies

Radiological Physics PhysicianPrimary2085R0205XLicense 000726-01 (NY)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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.

Enumerated: 2025-08-11
Last updated: 2025-08-11
Certified: 2025-08-11

Frequently asked questions

What is William Donahue's NPI number?: William Donahue's National Provider Identifier (NPI) is 1699650390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Donahue's specialty?: William Donahue is listed in the NPPES registry with a primary specialty of Radiological Physics Physician (Allopathic & Osteopathic Physicians).
Where is William Donahue located?: William Donahue's practice location on file with NPPES is 1275 York Ave, New York, NY 10065.
What is William Donahue's phone number?: The practice phone number listed in the NPPES registry for William Donahue is (860) 690-1566.
Is William Donahue's NPI active?: Yes — William Donahue's NPI (1699650390) is active in the NPPES registry as of the last update on 2025-08-11.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions