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William Simpson, MD
NPI 1558479584 · Family Medicine Physician · Charleston, SC
William Simpson, MD is a Family Medicine Physician provider in Charleston, SC (NPI 1558479584).
Provider details
- NPI number
- 1558479584
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 06751 (SC)
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
171 Ashley Ave
Charleston, SC 29425-0001
Phone: (843) 792-1414
Street-level locationGet directions
Mailing address
Po Box 751461
Charlotte, NC 28275-1461
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2011-09-09
Frequently asked questions
- What is William Simpson's NPI number?
- William Simpson's National Provider Identifier (NPI) is 1558479584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Simpson's specialty?
- William Simpson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Simpson located?
- William Simpson's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425-0001.
- What is William Simpson's phone number?
- The practice phone number listed in the NPPES registry for William Simpson is (843) 792-1414.
- Is William Simpson's NPI active?
- Yes — William Simpson's NPI (1558479584) is active in the NPPES registry as of the last update on 2011-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.