Gamaliel Roca
NPI 1477932697 · Internal Medicine Physician · Danbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gamaliel Roca is a Internal Medicine Physician provider in Danbury, CT (NPI 1477932697).
Provider details
- NPI number
- 1477932697
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
533 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 97 | $131 |
| Hemoglobin A1c Level83036 | 48 | $10 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 23 | $9 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 209 | 71 |
| Omeprazole | 139 | 45 |
| Amlodipine Besylate | 137 | 47 |
| Levothyroxine Sodium | 92 | 25 |
| Lisinopril | 91 | 31 |
| Gabapentin | 90 | 26 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-20
- Last updated
- 2021-12-13
- Certified
- 2021-12-13
Frequently asked questions
- What is Gamaliel Roca's NPI number?
- Gamaliel Roca's National Provider Identifier (NPI) is 1477932697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gamaliel Roca's specialty?
- Gamaliel Roca is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gamaliel Roca located?
- Gamaliel Roca's practice location on file with NPPES is 57 North St, Danbury, CT 06810-5660.
- What is Gamaliel Roca's phone number?
- The practice phone number listed in the NPPES registry for Gamaliel Roca is (203) 743-0100.
- Does Gamaliel Roca accept Medicare?
- Gamaliel Roca is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gamaliel Roca's NPI active?
- Yes — Gamaliel Roca's NPI (1477932697) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.