Pia Gabrielle Alfonso, M.D.
NPI 1356035737 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pia Gabrielle Alfonso, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1356035737).
Provider details
- NPI number
- 1356035737
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-06-07
- Last updated
- 2024-06-06
- Certified
- 2024-06-06
Frequently asked questions
- What is Pia Gabrielle Alfonso's NPI number?
- Pia Gabrielle Alfonso's National Provider Identifier (NPI) is 1356035737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pia Gabrielle Alfonso's specialty?
- Pia Gabrielle Alfonso is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Pia Gabrielle Alfonso located?
- Pia Gabrielle Alfonso's practice location on file with NPPES is 736 Cambridge Street, Boston, MA 02135.
- What is Pia Gabrielle Alfonso's phone number?
- The practice phone number listed in the NPPES registry for Pia Gabrielle Alfonso is (617) 789-3000.
- Does Pia Gabrielle Alfonso accept Medicare?
- Pia Gabrielle Alfonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pia Gabrielle Alfonso's NPI active?
- Yes — Pia Gabrielle Alfonso's NPI (1356035737) is active in the NPPES registry as of the last update on 2024-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.