Arnaldo Gerena, M.D.
NPI 1083746317 · General Practice Physician · Quebradillas, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnaldo Gerena, M.D. is a General Practice Physician provider in Quebradillas, PR (NPI 1083746317).
Provider details
- NPI number
- 1083746317
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9667 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 280 | 46 |
| Gabapentin | 278 | 49 |
| Alprazolam | 268 | 37 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 260 | 31 |
| Atorvastatin Calcium | 254 | 56 |
| Clonazepam | 236 | 39 |
| Dexamethasone | 231 |
Mailing address
Registry dates
- Enumerated
- 2007-03-12
- Last updated
- 2014-03-07
Frequently asked questions
- What is Arnaldo Gerena's NPI number?
- Arnaldo Gerena's National Provider Identifier (NPI) is 1083746317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnaldo Gerena's specialty?
- Arnaldo Gerena is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Arnaldo Gerena located?
- Arnaldo Gerena's practice location on file with NPPES is 23975 Carr 113, Quebradillas, PR 00678-7268.
- What is Arnaldo Gerena's phone number?
- The practice phone number listed in the NPPES registry for Arnaldo Gerena is (787) 895-1154.
- Does Arnaldo Gerena accept Medicare?
- Arnaldo Gerena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnaldo Gerena's NPI active?
- Yes — Arnaldo Gerena's NPI (1083746317) is active in the NPPES registry as of the last update on 2014-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.