Mary Lamstein, APRN
NPI 1609965995 · Nurse Practitioner · Newington, NH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lamstein, APRN is a Nurse Practitioner provider in Newington, NH (NPI 1609965995).
Provider details
- NPI number
- 1609965995
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- AP081085 (ME)
Specialties & taxonomies
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
19 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
- 2006-10-12
- Last updated
- 2010-10-27
Frequently asked questions
- What is Mary Lamstein's NPI number?
- Mary Lamstein's National Provider Identifier (NPI) is 1609965995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lamstein's specialty?
- Mary Lamstein is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Lamstein located?
- Mary Lamstein's practice location on file with NPPES is 100 Shattuck Way Suite 100, Newington, NH 03801.
- What is Mary Lamstein's phone number?
- The practice phone number listed in the NPPES registry for Mary Lamstein is (603) 431-6677.
- Does Mary Lamstein accept Medicare?
- Mary Lamstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lamstein's NPI active?
- Yes — Mary Lamstein's NPI (1609965995) is active in the NPPES registry as of the last update on 2010-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.