Matthew Walsh, AGACNP-BC
NPI 1558091710 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Walsh, AGACNP-BC is a Nurse Practitioner provider in Boston, MA (NPI 1558091710).
Provider details
- NPI number
- 1558091710
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGACNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- RN2321425 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-06-12
- Last updated
- 2022-08-06
- Certified
- 2022-08-06
Frequently asked questions
- What is Matthew Walsh's NPI number?
- Matthew Walsh's National Provider Identifier (NPI) is 1558091710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Walsh's specialty?
- Matthew Walsh is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Matthew Walsh located?
- Matthew Walsh's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.
- What is Matthew Walsh's phone number?
- The practice phone number listed in the NPPES registry for Matthew Walsh is (617) 726-2000.
- Does Matthew Walsh accept Medicare?
- Matthew Walsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Walsh's NPI active?
- Yes — Matthew Walsh's NPI (1558091710) is active in the NPPES registry as of the last update on 2022-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.