NPPES file of Aug 9, 2026

Mary Ann Zimmerman, PNP

Pediatric Nurse Practitioner · Boston, MA

Mary Ann Zimmerman, PNP is a pediatric nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1396829487, issued on Oct 25, 2006. Check the license (Massachusetts 191263, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396829487
Name
Mary Ann Zimmerman
Credential
PNP
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License number
191263 MA
Self-reported in NPPES; status is on the state search
Practice location
44 Binney St, Boston, MA 02115
Phone
(617) 632-3744
Enumerated
Oct 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(617) 582-8113
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 44 Binney St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karim Abou-Nassar, MDHematology & Oncology Physician1366770745
  2. Janet Abrahm, MDMedical Oncology Physician1427024264
  3. Thomas Abrams, M.D.Medical Oncology Physician1184693947
  4. Christine Agius, RN, MSN, NP-C, RNCAdult Health Nurse Practitioner1932114790
  5. Laura Aguilar, MD PHDPediatric Hematology & Oncology Physician1295786598
  6. Zi Yazan Alabed, M.D., PH.D.Student in an Organized Health Care Education/Training Program1184046583

Verify Mary Ann Zimmerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 191263
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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89% fewer Medicare Part D claims than the average pediatric nurse practitioner in 2024

23 Medicare Part D claims, against an average of 206 among the 854 providers of this specialty who prescribed in Part D.

  1. Mary Ann Zimmerman23
  2. Specialty average206

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Mary Ann Zimmerman among 1,311 pediatric nurse practitioner records in Massachusetts

Mary Ann Zimmerman, PNP is one of 1,311 pediatric nurse practitioner records with a practice address in Massachusetts. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 83% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2007 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

630 pediatric nurse practitioner records list a practice address in Boston

They are 630 of the 41,865 NPPES records with a practice address in Boston, and 1,311 pediatric nurse practitioner records in Massachusetts.

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Karen Balestrieri, PNP-CBoston, MA 021151437148236
  2. Melissa Bennett-Carini, C. P. N. P.Boston, MA 021151790759108
  3. Karyn Brundige, RN, APRNBoston, MA 021151831156520
  4. Wendy Bugos, NPBoston, MA 021151407829351
  5. Jessica Burns, NPBoston, MA 021151275599144
  6. Rachel Difazio, NPBoston, MA 021151609832260
  7. Jennifer Eile, NPBoston, MA 021151962461335
  8. Amy Federico, NPBoston, MA 021151235193186

Common questions

What is Mary Ann Zimmerman, PNP's NPI number?

Mary Ann Zimmerman, PNP's National Provider Identifier (NPI) is 1396829487, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ann Zimmerman, PNP located?

The NPPES record lists a practice address at 44 Binney St, Boston, MA, 02115. Phone: (617) 632-3744. Providers update this record themselves, so call before visiting.

How can I verify Mary Ann Zimmerman, PNP's license?

NPPES lists Massachusetts license number 191263, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Ann Zimmerman, PNP prescribe under Medicare Part D?

In 2024, Mary Ann Zimmerman, PNP had 23 Medicare Part D claims; the average among pediatric nurse practitioner prescribers was 206. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.