William Erwin, M.D.
NPI 1104856665 · Obstetrics & Gynecology Physician · Jackson, MS
William Erwin, M.D. is a Obstetrics & Gynecology Physician provider in Jackson, MS (NPI 1104856665).
Provider details
- NPI number
- 1104856665
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD200786 (LA)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2015-01-05
Frequently asked questions
- What is William Erwin's NPI number?
- William Erwin's National Provider Identifier (NPI) is 1104856665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Erwin's specialty?
- William Erwin is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is William Erwin located?
- William Erwin's practice location on file with NPPES is 111 E Capitol St, Jackson, MS 39201-2108.
- What is William Erwin's phone number?
- The practice phone number listed in the NPPES registry for William Erwin is (601) 863-2448.
- Is William Erwin's NPI active?
- Yes — William Erwin's NPI (1104856665) is active in the NPPES registry as of the last update on 2015-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.