William Southern, MD
NPI 1316037153 · Internal Medicine Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Southern, MD is a Internal Medicine Physician provider in Bronx, NY (NPI 1316037153).
Provider details
- NPI number
- 1316037153
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 197086 (NY)
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
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
- 2006-10-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Southern's NPI number?
- William Southern's National Provider Identifier (NPI) is 1316037153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Southern's specialty?
- William Southern is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Southern located?
- William Southern's practice location on file with NPPES is Weiler - Dept. of Medicine, Bronx, NY 10461.
- What is William Southern's phone number?
- The practice phone number listed in the NPPES registry for William Southern is (718) 904-2226.
- Does William Southern accept Medicare?
- William Southern is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Southern's NPI active?
- Yes — William Southern's NPI (1316037153) 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.