Stephen Dalton-Petillo, MD
NPI 1558948661 · Student in an Organized Health Care Education/Training Program · Boston, MA
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Dalton-Petillo, MD is a Student in an Organized Health Care Education/Training Program provider in Boston, MA (NPI 1558948661).
Provider details
- NPI number
- 1558948661
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-03-25
- Last updated
- 2021-03-27
- Certified
- 2021-03-27
Frequently asked questions
- What is Stephen Dalton-Petillo's NPI number?
- Stephen Dalton-Petillo's National Provider Identifier (NPI) is 1558948661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Dalton-Petillo's specialty?
- Stephen Dalton-Petillo is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Stephen Dalton-Petillo located?
- Stephen Dalton-Petillo's practice location on file with NPPES is 72 E Concord St Bldg C515, Boston, MA 02118-2642.
- What is Stephen Dalton-Petillo's phone number?
- The practice phone number listed in the NPPES registry for Stephen Dalton-Petillo is (617) 638-8442.
- Does Stephen Dalton-Petillo accept Medicare?
- Stephen Dalton-Petillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Dalton-Petillo's NPI active?
- Yes — Stephen Dalton-Petillo's NPI (1558948661) is active in the NPPES registry as of the last update on 2021-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.