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William Harwell, M.D.
NPI 1154478386 · Dermatology Physician · Nashville, TN
William Harwell, M.D. is a Dermatology Physician provider in Nashville, TN (NPI 1154478386).
Provider details
- NPI number
- 1154478386
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD0000007488 (TN)
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
1900 Patterson Street
Suite 205
Nashville, TN 37203-2165
Phone: (615) 329-0011
Fax: (615) 329-3056
Street-level locationGet directions
Mailing address
1900 Patterson Street
Nashville, TN 37203-2165
Registry dates
- Enumerated
- 2007-01-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Harwell's NPI number?
- William Harwell's National Provider Identifier (NPI) is 1154478386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harwell's specialty?
- William Harwell is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Harwell located?
- William Harwell's practice location on file with NPPES is 1900 Patterson Street, Nashville, TN 37203-2165.
- What is William Harwell's phone number?
- The practice phone number listed in the NPPES registry for William Harwell is (615) 329-0011.
- Is William Harwell's NPI active?
- Yes — William Harwell's NPI (1154478386) 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.