Mary-Sydney Karsh, MD
NPI 1366644460 · Pediatrics Physician · Duluth, GA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary-Sydney Karsh, MD is a Pediatrics Physician provider in Duluth, GA (NPI 1366644460).
Provider details
- NPI number
- 1366644460
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME101766 (FL)
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
- 2007-06-01
- Last updated
- 2022-01-10
Frequently asked questions
- What is Mary-Sydney Karsh's NPI number?
- Mary-Sydney Karsh's National Provider Identifier (NPI) is 1366644460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Sydney Karsh's specialty?
- Mary-Sydney Karsh is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mary-Sydney Karsh located?
- Mary-Sydney Karsh's practice location on file with NPPES is 3650 Steve Reynolds Blvd, Duluth, GA 30096-4506.
- What is Mary-Sydney Karsh's phone number?
- The practice phone number listed in the NPPES registry for Mary-Sydney Karsh is (404) 364-7285.
- Does Mary-Sydney Karsh accept Medicare?
- Mary-Sydney Karsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary-Sydney Karsh's NPI active?
- Yes — Mary-Sydney Karsh's NPI (1366644460) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.