Mary Wertheim, NP
NPI 1578934964 · Adult Health Nurse Practitioner · Stony Brook, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Wertheim, NP is a Adult Health Nurse Practitioner provider in Stony Brook, NY (NPI 1578934964).
Provider details
- NPI number
- 1578934964
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F307318-1 (NY)
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
10 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
- 2015-10-12
- Last updated
- 2016-08-01
Frequently asked questions
- What is Mary Wertheim's NPI number?
- Mary Wertheim's National Provider Identifier (NPI) is 1578934964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Wertheim's specialty?
- Mary Wertheim is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Wertheim located?
- Mary Wertheim's practice location on file with NPPES is Stony Brook Medicine Em, Stony Brook, NY 11794-8350.
- What is Mary Wertheim's phone number?
- The practice phone number listed in the NPPES registry for Mary Wertheim is (631) 444-2478.
- Does Mary Wertheim accept Medicare?
- Mary Wertheim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Wertheim's NPI active?
- Yes — Mary Wertheim's NPI (1578934964) is active in the NPPES registry as of the last update on 2016-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.