Glenn Zwerin, M.D.
NPI 1235264854 · Geriatric Medicine (Internal Medicine) Physician · Long Branch, NJ
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenn Zwerin, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Long Branch, NJ (NPI 1235264854).
Provider details
- NPI number
- 1235264854
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MAO5911300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,494 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 566 | $33 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 287 | $141 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 264 | $189 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 203 | $88 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 108 | $135 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 80 | 22 |
| Hydrochlorothiazide | 57 | 14 |
| Amlodipine Besylate | 56 | 13 |
| Alprazolam | 52 | — |
| Losartan Potassium | 29 | — |
| Metformin Hcl | 28 | — |
| Sitagliptin Phosphatebrand: Januvia | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Glenn Zwerin's NPI number?
- Glenn Zwerin's National Provider Identifier (NPI) is 1235264854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Zwerin's specialty?
- Glenn Zwerin is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Zwerin located?
- Glenn Zwerin's practice location on file with NPPES is 133 Pavilion Ave, Long Branch, NJ 07740-6415.
- What is Glenn Zwerin's phone number?
- The practice phone number listed in the NPPES registry for Glenn Zwerin is (732) 222-7650.
- Does Glenn Zwerin accept Medicare?
- Glenn Zwerin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenn Zwerin's NPI active?
- Yes — Glenn Zwerin's NPI (1235264854) 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.