What is Margaret Grinshtein's NPI number?

Margaret Grinshtein's National Provider Identifier (NPI) is 1508663139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Margaret Grinshtein's specialty?

Margaret Grinshtein 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 Margaret Grinshtein located?

Margaret Grinshtein's practice location on file with NPPES is 1120 Hancock St, Quincy, MA 02169-4313.

What is Margaret Grinshtein's phone number?

The practice phone number listed in the NPPES registry for Margaret Grinshtein is (617) 471-8400.

Is Margaret Grinshtein's NPI active?

Yes — Margaret Grinshtein's NPI (1508663139) is active in the NPPES registry as of the last update on 2025-03-01.

IndividualActive

Margaret Grinshtein, M.S, M.A

NPI 1508663139 · Student in an Organized Health Care Education/Training Program · Quincy, MA

Margaret Grinshtein, M.S, M.A is a Student in an Organized Health Care Education/Training Program provider in Quincy, MA (NPI 1508663139).

Provider details

NPI number: 1508663139
Entity type: Individual
Primary specialty: Student in an Organized Health Care Education/Training ProgramStudent, Health Care
Credential: M.S, M.A
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Student in an Organized Health Care Education/Training ProgramPrimary390200000X
Student, Health Care

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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

1120 Hancock St

Quincy, MA 02169-4313

Phone: (617) 471-8400

Street-level locationGet directions

More MA providers

Mailing address

45 Stuart St Apt 1812

Boston, MA 02116-4762

Enumerated: 2025-03-01
Last updated: 2025-03-01
Certified: 2025-03-01

Frequently asked questions

What is Margaret Grinshtein's NPI number?: Margaret Grinshtein's National Provider Identifier (NPI) is 1508663139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Margaret Grinshtein's specialty?: Margaret Grinshtein 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 Margaret Grinshtein located?: Margaret Grinshtein's practice location on file with NPPES is 1120 Hancock St, Quincy, MA 02169-4313.
What is Margaret Grinshtein's phone number?: The practice phone number listed in the NPPES registry for Margaret Grinshtein is (617) 471-8400.
Is Margaret Grinshtein's NPI active?: Yes — Margaret Grinshtein's NPI (1508663139) is active in the NPPES registry as of the last update on 2025-03-01.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.