Marcie Amerstein, RD, LDN
NPI 1548804347 · Registered Dietitian · Chalfont, PA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcie Amerstein, RD, LDN is a Registered Dietitian provider in Chalfont, PA (NPI 1548804347).
Provider details
- NPI number
- 1548804347
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- DN001426 (PA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-11-05
- Last updated
- 2019-11-05
Frequently asked questions
- What is Marcie Amerstein's NPI number?
- Marcie Amerstein's National Provider Identifier (NPI) is 1548804347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcie Amerstein's specialty?
- Marcie Amerstein is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marcie Amerstein located?
- Marcie Amerstein's practice location on file with NPPES is 700 Horizon Dr Ste 201, Chalfont, PA 18914-3967.
- What is Marcie Amerstein's phone number?
- The practice phone number listed in the NPPES registry for Marcie Amerstein is (215) 453-2510.
- Does Marcie Amerstein accept Medicare?
- Marcie Amerstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcie Amerstein's NPI active?
- Yes — Marcie Amerstein's NPI (1548804347) is active in the NPPES registry as of the last update on 2019-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.