Marci Chasnow, MD
NPI 1336231034 · Pediatrics Physician · Abingdon, MD
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marci Chasnow, MD is a Pediatrics Physician provider in Abingdon, MD (NPI 1336231034).
Provider details
- NPI number
- 1336231034
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- D0032074 (MD)
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
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
- 2006-09-29
- Last updated
- 2015-07-16
Frequently asked questions
- What is Marci Chasnow's NPI number?
- Marci Chasnow's National Provider Identifier (NPI) is 1336231034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marci Chasnow's specialty?
- Marci Chasnow is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marci Chasnow located?
- Marci Chasnow's practice location on file with NPPES is 39 Kensington Parkway, Abingdon, MD 21009.
- What is Marci Chasnow's phone number?
- The practice phone number listed in the NPPES registry for Marci Chasnow is (410) 569-7337.
- Does Marci Chasnow accept Medicare?
- Marci Chasnow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marci Chasnow's NPI active?
- Yes — Marci Chasnow's NPI (1336231034) is active in the NPPES registry as of the last update on 2015-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.