Gerard Kerins, MD
NPI 1952332199 · Geriatric Medicine (Internal Medicine) Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerard Kerins, MD is a Geriatric Medicine (Internal Medicine) Physician provider in New Haven, CT (NPI 1952332199).
Provider details
- NPI number
- 1952332199
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 030448 (CT)
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
715 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 | 232 | $103 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 203 | $18 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 66 | $192 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 50 | $53 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 41 | $142 |
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 |
|---|---|---|
| Donepezil Hcl | 182 | 52 |
| Memantine Hcl | 79 | 22 |
| Atorvastatin Calcium | 72 | 13 |
| Sertraline Hcl | 68 | 14 |
| Mirtazapine | 64 | 18 |
| Escitalopram Oxalate | 56 | 15 |
| Trazodone Hcl | 54 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2017-03-27
Frequently asked questions
- What is Gerard Kerins's NPI number?
- Gerard Kerins's National Provider Identifier (NPI) is 1952332199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerard Kerins's specialty?
- Gerard Kerins is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Gerard Kerins located?
- Gerard Kerins's practice location on file with NPPES is 1450 Chapel St, New Haven, CT 06511.
- What is Gerard Kerins's phone number?
- The practice phone number listed in the NPPES registry for Gerard Kerins is (203) 789-3022.
- Does Gerard Kerins accept Medicare?
- Gerard Kerins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerard Kerins's NPI active?
- Yes — Gerard Kerins's NPI (1952332199) is active in the NPPES registry as of the last update on 2017-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.