Larry Masterson, PA-C
NPI 1568627917 · Physician Assistant · Springfield, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larry Masterson, PA-C is a Physician Assistant provider in Springfield, MA (NPI 1568627917).
Provider details
- NPI number
- 1568627917
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 533 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-07-25
- Last updated
- 2017-02-13
Frequently asked questions
- What is Larry Masterson's NPI number?
- Larry Masterson's National Provider Identifier (NPI) is 1568627917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Masterson's specialty?
- Larry Masterson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Larry Masterson located?
- Larry Masterson's practice location on file with NPPES is 2150 Main Street Springfield Medical Assoc. Inc., Springfield, MA 01104.
- What is Larry Masterson's phone number?
- The practice phone number listed in the NPPES registry for Larry Masterson is (413) 739-5676.
- Does Larry Masterson accept Medicare?
- Larry Masterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larry Masterson's NPI active?
- Yes — Larry Masterson's NPI (1568627917) is active in the NPPES registry as of the last update on 2017-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.