NPPES file of Aug 9, 2026

Glenn Alan Zwerin, M.D.

Geriatric Medicine (Internal Medicine) Physician · Long Branch, NJ

Glenn Alan Zwerin, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Long Branch, New Jersey, and NPI 1235264854, issued on Feb 22, 2007. Check the license (New Jersey 25MAO5911300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1235264854
Name
Glenn Alan Zwerin
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
25MAO5911300 NJ
Self-reported in NPPES; status is on the state search
Practice location
133 Pavilion Ave, Long Branch, NJ 07740
Phone
(732) 222-7650
Enumerated
Feb 22, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(732) 222-7850
Medicare enrollment
Enrolled (PECOS I20050201000283); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 133 Pavilion Ave

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

  1. Malcolm Schwartz, D.O.Pediatric Endocrinology Physician1801851076

Verify Glenn Alan Zwerin 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 25MAO5911300
    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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72% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,172 Medicare Part D claims for 55 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 40 claims were for opioids.

  1. Glenn Zwerin1,172
  2. Specialty average4,246

Most prescribed

  1. Rosuvastatin Calcium80 claims
  2. Hydrochlorothiazide57 claims
  3. Amlodipine Besylate56 claims
  4. Alprazolam52 claims
  5. Losartan Potassium29 claims
  6. Januvia28 claims

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.

Glenn Alan Zwerin among 165 geriatric medicine (internal medicine) physician records in New Jersey

Glenn Alan Zwerin, M.D. 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. Its NPI, issued in 2007, is newer than 58% of them.

  • NPI issued2007 · 58% of these records are older, 28% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1982 · median 1996 among the 106 with a school on file
  • Record last updated2007 · 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.

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

  1. Priya Angi, M.DLong Branch, NJ 077401639376361
  2. Joel Ross, MDLong Branch, NJ 077401306982392
  3. Yong Shi, MDMarlboro, NJ 077461134278526
  4. Rekha Gohel, M.D.Freehold, NJ 077281679653992
  5. Alexandra Kovaleva, M.D.Tinton Falls, NJ 077531487063855
  6. Lourdes McAlarney, MDTinton Falls, NJ 077531447309059
  7. Mark Pass, MDManalapan, NJ 077261437156288
  8. Lisa Zimmermann, MDOakhurst, NJ 077551427085653

Common questions

What is Glenn Alan Zwerin, M.D.'s NPI number?

Glenn Alan Zwerin, M.D.'s National Provider Identifier (NPI) is 1235264854, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Glenn Alan Zwerin, M.D. located?

The NPPES record lists a practice address at 133 Pavilion Ave, Long Branch, NJ, 07740. Phone: (732) 222-7650. Providers update this record themselves, so call before visiting.

How can I verify Glenn Alan Zwerin, M.D.'s license?

NPPES lists New Jersey license number 25MAO5911300, 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.

How much does Glenn Alan Zwerin, M.D. prescribe under Medicare Part D?

In 2024, Glenn Alan Zwerin, M.D. had 1,172 Medicare Part D claims for 55 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.