Geraldine Fabregas, MD
NPI 1477583540 · Geriatric Medicine (Internal Medicine) Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geraldine Fabregas, MD is a Geriatric Medicine (Internal Medicine) Physician provider in New Haven, CT (NPI 1477583540).
Provider details
- NPI number
- 1477583540
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 038166 (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
20 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
451 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 80 | $154 |
| 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 | 72 | $18 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 67 | $184 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 66 | $84 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 65 | $53 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 94 | 34 |
| Sertraline Hcl | 68 | 20 |
| Memantine Hcl | 56 | 16 |
| Rivastigmine | 50 | 14 |
| Rivastigmine Tartratebrand: Rivastigmine | 49 | — |
| Trazodone Hcl | 49 | 14 |
| Mirtazapine | 33 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2017-03-27
Frequently asked questions
- What is Geraldine Fabregas's NPI number?
- Geraldine Fabregas's National Provider Identifier (NPI) is 1477583540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geraldine Fabregas's specialty?
- Geraldine Fabregas is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Geraldine Fabregas located?
- Geraldine Fabregas's practice location on file with NPPES is 280 Alden Ave, New Haven, CT 06515-2114.
- What is Geraldine Fabregas's phone number?
- The practice phone number listed in the NPPES registry for Geraldine Fabregas is (203) 387-7719.
- Does Geraldine Fabregas accept Medicare?
- Geraldine Fabregas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geraldine Fabregas's NPI active?
- Yes — Geraldine Fabregas's NPI (1477583540) 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.