NPPES file of Aug 9, 2026

Mary Ann Haggerty, MD

Geriatric Medicine (Internal Medicine) Physician · Maplewood, NJ

Mary Ann Haggerty, MD is a geriatric medicine (internal medicine) physician with a practice address in Maplewood, New Jersey, and NPI 1770551988, issued on Mar 14, 2006. Check the license (New Jersey 25MA03779300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1770551988
Name
Mary Ann Haggerty
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
25MA03779300 NJ
Self-reported in NPPES; status is on the state search
Practice location
2115 Millburn Ave, Maplewood, NJ 07040
Phone
(973) 275-1322
Enumerated
Mar 14, 2006
Record last updated
Jul 13, 2026
Fax
(973) 762-2601
Medicaid ID
4591402 NJ
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 2115 Millburn Ave

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

  1. Harriet Achtentuch, MSWClinical Social Worker1518179795
  2. Pierre Albert, PH.D.Psychologist1114131638
  3. Linda Berry, LCSWClinical Social Worker1942533468
  4. Sally Bregman, O.D.Optometrist1427037704
  5. Elizabeth Dobrish, LCSWClinical Social Worker1841532256
  6. Margareta Freeman, L.C.S.W.Clinical Social Worker1568568053

Verify Mary Ann Haggerty in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA03779300
    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
Open the New Jersey license search

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Mary Ann Haggerty among 165 geriatric medicine (internal medicine) physician records in New Jersey

Mary Ann Haggerty, MD is one of 165 geriatric medicine (internal medicine) physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 42% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in New Jersey

There are 165 geriatric medicine (internal medicine) physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Muthu Arunachalam, M.D.,Livingston, NJ 070391457497356
  2. Emily Bahler, DOLivingston, NJ 070391346229598
  3. Theresa Redling, D.O.Livingston, NJ 070391295840379
  4. Rowen Diano, MDMontclair, NJ 070421992862585
  5. Robertha Mendez, MDMontclair, NJ 070421972987907
  6. Kannan SivarajuVerona, NJ 070441659508687
  7. Manickam Ganesh, MDWest Orange, NJ 070521962419838
  8. Anne-Marie Gracia, M.D., MPHWest Orange, NJ 070521447328018

Common questions

What is Mary Ann Haggerty, MD's NPI number?

Mary Ann Haggerty, MD's National Provider Identifier (NPI) is 1770551988, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ann Haggerty, MD located?

The NPPES record lists a practice address at 2115 Millburn Ave, Maplewood, NJ, 07040. Phone: (973) 275-1322. Providers update this record themselves, so call before visiting.

How can I verify Mary Ann Haggerty, MD's license?

NPPES lists New Jersey license number 25MA03779300, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.