Alla Chapman, MD
NPI 1558335174 · Family Medicine Physician · Amherst, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alla Chapman, MD is a Family Medicine Physician provider in Amherst, MA (NPI 1558335174).
Provider details
- NPI number
- 1558335174
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD424877 (PA)
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
20 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
- 2006-02-13
- Last updated
- 2015-10-30
Frequently asked questions
- What is Alla Chapman's NPI number?
- Alla Chapman's National Provider Identifier (NPI) is 1558335174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alla Chapman's specialty?
- Alla Chapman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alla Chapman located?
- Alla Chapman's practice location on file with NPPES is 31 Hall Dr, Amherst, MA 01002-2751.
- What is Alla Chapman's phone number?
- The practice phone number listed in the NPPES registry for Alla Chapman is (413) 256-8561.
- Does Alla Chapman accept Medicare?
- Alla Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alla Chapman's NPI active?
- Yes — Alla Chapman's NPI (1558335174) is active in the NPPES registry as of the last update on 2015-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.