Mary Hartzog, RN
NPI 1275370942 · Certified Registered Nurse Anesthetist · Charleston, SC
Mary Hartzog, RN is a Certified Registered Nurse Anesthetist provider in Charleston, SC (NPI 1275370942).
Provider details
- NPI number
- 1275370942
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 32033 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-07-10
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Mary Hartzog's NPI number?
- Mary Hartzog's National Provider Identifier (NPI) is 1275370942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hartzog's specialty?
- Mary Hartzog is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Hartzog located?
- Mary Hartzog's practice location on file with NPPES is 2095 Henry Tecklenburg Dr, Charleston, SC 29414-5733.
- What is Mary Hartzog's phone number?
- The practice phone number listed in the NPPES registry for Mary Hartzog is (843) 792-2300.
- Is Mary Hartzog's NPI active?
- Yes — Mary Hartzog's NPI (1275370942) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.