Glenn Gandelman, MD
NPI 1033117437 · Cardiovascular Disease Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenn Gandelman, MD is a Cardiovascular Disease Physician provider in Greenwich, CT (NPI 1033117437).
Provider details
- NPI number
- 1033117437
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 218641 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
10,959 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 2,877 | $66 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 903 | $14 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 716 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 684 | $96 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 598 | $191 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 310 | 94 |
| Metoprolol Succinate | 205 | 60 |
| Amlodipine Besylate | 203 | 66 |
| Rosuvastatin Calcium | 197 | 78 |
| Apixabanbrand: Eliquis | 176 | 45 |
| Olmesartan Medoxomil | 162 | 49 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,036 across 90 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-09
- Last updated
- 2024-07-05
- Certified
- 2024-07-05
Frequently asked questions
- What is Glenn Gandelman's NPI number?
- Glenn Gandelman's National Provider Identifier (NPI) is 1033117437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Gandelman's specialty?
- Glenn Gandelman is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Gandelman located?
- Glenn Gandelman's practice location on file with NPPES is 81 Holly Hill Ln Fl 3, Greenwich, CT 06830-6071.
- What is Glenn Gandelman's phone number?
- The practice phone number listed in the NPPES registry for Glenn Gandelman is (203) 869-5515.
- Does Glenn Gandelman accept Medicare?
- Glenn Gandelman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenn Gandelman's NPI active?
- Yes — Glenn Gandelman's NPI (1033117437) is active in the NPPES registry as of the last update on 2024-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.