Waldemar Perez Arroyo, MD
NPI 1639122401 · General Practice Physician · Mayaguez, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Waldemar Perez Arroyo, MD is a General Practice Physician provider in Mayaguez, PR (NPI 1639122401).
Provider details
- NPI number
- 1639122401
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12251 (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
20 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 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 643 | 121 |
| Gabapentin | 368 | 67 |
| Metformin Hcl | 359 | 57 |
| Lisinopril | 357 | 65 |
| Tamsulosin Hcl | 241 | 43 |
| Losartan Potassium | 213 | 42 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2017-01-09
Frequently asked questions
- What is Waldemar Perez Arroyo's NPI number?
- Waldemar Perez Arroyo's National Provider Identifier (NPI) is 1639122401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Waldemar Perez Arroyo's specialty?
- Waldemar Perez Arroyo is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Waldemar Perez Arroyo located?
- Waldemar Perez Arroyo's practice location on file with NPPES is 314 Cumbres De Miradero, Mayaguez, PR 00682-7514.
- What is Waldemar Perez Arroyo's phone number?
- The practice phone number listed in the NPPES registry for Waldemar Perez Arroyo is (787) 983-1619.
- Does Waldemar Perez Arroyo accept Medicare?
- Waldemar Perez Arroyo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Waldemar Perez Arroyo's NPI active?
- Yes — Waldemar Perez Arroyo's NPI (1639122401) is active in the NPPES registry as of the last update on 2017-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.