Mary St Clair, D. O
NPI 1699137745 · Family Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary St Clair, D. O is a Family Medicine Physician provider in Greenville, SC (NPI 1699137745).
Provider details
- NPI number
- 1699137745
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D. O
- Sex
- Female
- Sole proprietor
- Yes
- License
- DR.0062996 (CO)
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
10 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
- 2016-03-27
- Last updated
- 2023-06-08
- Certified
- 2023-06-08
Frequently asked questions
- What is Mary St Clair's NPI number?
- Mary St Clair's National Provider Identifier (NPI) is 1699137745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary St Clair's specialty?
- Mary St Clair is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary St Clair located?
- Mary St Clair's practice location on file with NPPES is 6 Meyers Dr, Greenville, SC 29605-3054.
- What is Mary St Clair's phone number?
- The practice phone number listed in the NPPES registry for Mary St Clair is (757) 434-3057.
- Does Mary St Clair accept Medicare?
- Mary St Clair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary St Clair's NPI active?
- Yes — Mary St Clair's NPI (1699137745) is active in the NPPES registry as of the last update on 2023-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.