IndividualActive
Harry Holloway, M.D.
NPI 1023172046 · Psychiatry Physician · Washington, DC
Harry Holloway, M.D. is a Psychiatry Physician provider in Washington, DC (NPI 1023172046).
Provider details
- NPI number
- 1023172046
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7413 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Walter Reed Medical Center
6900 Georgia Ave
Washington, DC 20307-5001
Phone: (202) 782-3501
Mailing address
Po Box 1805
Rockville, MD 20849-1805
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Harry Holloway's NPI number?
- Harry Holloway's National Provider Identifier (NPI) is 1023172046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Holloway's specialty?
- Harry Holloway is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Holloway located?
- Harry Holloway's practice location on file with NPPES is Walter Reed Medical Center, Washington, DC 20307-5001.
- What is Harry Holloway's phone number?
- The practice phone number listed in the NPPES registry for Harry Holloway is (202) 782-3501.
- Is Harry Holloway's NPI active?
- Yes — Harry Holloway's NPI (1023172046) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.