Mary Ann Zimmerman, PNP
NPI 1396829487 · Pediatric Nurse Practitioner · Boston, MA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ann Zimmerman, PNP is a Pediatric Nurse Practitioner provider in Boston, MA (NPI 1396829487).
Provider details
- NPI number
- 1396829487
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 191263 (MA)
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
- 2006-10-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Ann Zimmerman's NPI number?
- Mary Ann Zimmerman's National Provider Identifier (NPI) is 1396829487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Zimmerman's specialty?
- Mary Ann Zimmerman is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ann Zimmerman located?
- Mary Ann Zimmerman's practice location on file with NPPES is 44 Binney St, Boston, MA 02115-6013.
- What is Mary Ann Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Zimmerman is (617) 632-3744.
- Does Mary Ann Zimmerman accept Medicare?
- Mary Ann Zimmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ann Zimmerman's NPI active?
- Yes — Mary Ann Zimmerman's NPI (1396829487) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.