Gregory Charlop, MD
NPI 1558449355 · Anesthesiology Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Charlop, MD is a Anesthesiology Physician provider in Marietta, GA (NPI 1558449355).
Provider details
- NPI number
- 1558449355
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- S9275 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-11-01
- Last updated
- 2021-11-02
- Certified
- 2021-11-02
Frequently asked questions
- What is Gregory Charlop's NPI number?
- Gregory Charlop's National Provider Identifier (NPI) is 1558449355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Charlop's specialty?
- Gregory Charlop is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Charlop located?
- Gregory Charlop's practice location on file with NPPES is 3645 High Green Dr, Marietta, GA 30068-2530.
- What is Gregory Charlop's phone number?
- The practice phone number listed in the NPPES registry for Gregory Charlop is (650) 281-1297.
- Does Gregory Charlop accept Medicare?
- Gregory Charlop is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Charlop's NPI active?
- Yes — Gregory Charlop's NPI (1558449355) is active in the NPPES registry as of the last update on 2021-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.