Amanda Diffin, PA-C
NPI 1710547385 · Physician Assistant · Leominster, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amanda Diffin, PA-C is a Physician Assistant provider in Leominster, MA (NPI 1710547385).
Provider details
- NPI number
- 1710547385
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA7139 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$312 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 87 N Main StLeominster, MA 01453-5507Phone: (978) 534-8701
Registry dates
- Enumerated
- 2019-06-17
- Last updated
- 2024-06-27
- Certified
- 2024-02-08
Frequently asked questions
- What is Amanda Diffin's NPI number?
- Amanda Diffin's National Provider Identifier (NPI) is 1710547385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amanda Diffin's specialty?
- Amanda Diffin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amanda Diffin located?
- Amanda Diffin's practice location on file with NPPES is 100 Hospital Rd Ste 4, Leominster, MA 01453-2253.
- What is Amanda Diffin's phone number?
- The practice phone number listed in the NPPES registry for Amanda Diffin is (978) 514-6300.
- Does Amanda Diffin accept Medicare?
- Amanda Diffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amanda Diffin's NPI active?
- Yes — Amanda Diffin's NPI (1710547385) is active in the NPPES registry as of the last update on 2024-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.