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.
- 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
8 nearest geriatric medicine (internal medicine) physician records → All 165 in New Jersey → Look up another NPI →
Also registered at 133 Pavilion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Malcolm Schwartz, D.O.Pediatric Endocrinology Physician1801851076
Verify Glenn Alan Zwerin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MAO5911300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Rosuvastatin Calcium80 claims
- Hydrochlorothiazide57 claims
- Amlodipine Besylate56 claims
- Alprazolam52 claims
- Losartan Potassium29 claims
- 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.
All 165 in New Jersey → Every provider in Long Branch → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Priya Angi, M.DLong Branch, NJ 077401639376361
- Joel Ross, MDLong Branch, NJ 077401306982392
- Yong Shi, MDMarlboro, NJ 077461134278526
- Rekha Gohel, M.D.Freehold, NJ 077281679653992
- Alexandra Kovaleva, M.D.Tinton Falls, NJ 077531487063855
- Lourdes McAlarney, MDTinton Falls, NJ 077531447309059
- Mark Pass, MDManalapan, NJ 077261437156288
- 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.