John Hayes, M.D.
NPI 1104118801 · Obstetrics & Gynecology Physician · Washington, DC
John Hayes, M.D. is a Obstetrics & Gynecology Physician provider in Washington, DC (NPI 1104118801).
Provider details
- NPI number
- 1104118801
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD10233 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-05-12
- Last updated
- 2011-05-12
Frequently asked questions
- What is John Hayes's NPI number?
- John Hayes's National Provider Identifier (NPI) is 1104118801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hayes's specialty?
- John Hayes is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Hayes located?
- John Hayes's practice location on file with NPPES is 1712 I St Nw, Washington, DC 20006-3702.
- What is John Hayes's phone number?
- The practice phone number listed in the NPPES registry for John Hayes is (202) 419-1840.
- Is John Hayes's NPI active?
- Yes — John Hayes's NPI (1104118801) is active in the NPPES registry as of the last update on 2011-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.