Sandra Mcmahon, M.D.,
NPI 1538189519 · Internal Medicine Physician · Rock Hill, SC
Sandra Mcmahon, M.D., is a Internal Medicine Physician provider in Rock Hill, SC (NPI 1538189519).
Provider details
- NPI number
- 1538189519
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,
- Sex
- Female
- Sole proprietor
- No
- License
- 19087 (SC)
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
- 2006-07-20
- Last updated
- 2016-12-09
Frequently asked questions
- What is Sandra Mcmahon's NPI number?
- Sandra Mcmahon's National Provider Identifier (NPI) is 1538189519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Mcmahon's specialty?
- Sandra Mcmahon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Mcmahon located?
- Sandra Mcmahon's practice location on file with NPPES is 2450 India Hook Road, Rock Hill, SC 29732-3271.
- What is Sandra Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Sandra Mcmahon is (803) 328-0181.
- Is Sandra Mcmahon's NPI active?
- Yes — Sandra Mcmahon's NPI (1538189519) is active in the NPPES registry as of the last update on 2016-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.