Marissa Stein, PA
NPI 1093167447 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Stein, PA is a Physician Assistant provider in Boston, MA (NPI 1093167447).
Provider details
- NPI number
- 1093167447
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA5832 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Medical Physician Assistant363AM0700X
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 103 Garland StEverett, MA 02149-5066Phone: (617) 665-1000
- 103 Garland StEverett, MA 02149-5066Phone: (617) 665-1000
Registry dates
- Enumerated
- 2016-07-11
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Marissa Stein's NPI number?
- Marissa Stein's National Provider Identifier (NPI) is 1093167447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Stein's specialty?
- Marissa Stein is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Stein located?
- Marissa Stein's practice location on file with NPPES is 75 Francis St, Boston, MA 02115.
- What is Marissa Stein's phone number?
- The practice phone number listed in the NPPES registry for Marissa Stein is (617) 732-5500.
- Does Marissa Stein accept Medicare?
- Marissa Stein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Stein's NPI active?
- Yes — Marissa Stein's NPI (1093167447) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.