William Gregg, MD, MPH
NPI 1528167962 · Internal Medicine Physician · Nashville, TN
William Gregg, MD, MPH is a Internal Medicine Physician provider in Nashville, TN (NPI 1528167962).
Provider details
- NPI number
- 1528167962
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- MD34335 (TN)
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
- 2006-09-22
- Last updated
- 2016-12-21
Frequently asked questions
- What is William Gregg's NPI number?
- William Gregg's National Provider Identifier (NPI) is 1528167962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gregg's specialty?
- William Gregg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Gregg located?
- William Gregg's practice location on file with NPPES is 1 Park Plz, Nashville, TN 37203-6527.
- What is William Gregg's phone number?
- The practice phone number listed in the NPPES registry for William Gregg is (615) 344-2802.
- Is William Gregg's NPI active?
- Yes — William Gregg's NPI (1528167962) is active in the NPPES registry as of the last update on 2016-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.