David Questell Alvarado, M.D.
NPI 1346233616 · Internal Medicine Physician · Santa Isabel, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Questell Alvarado, M.D. is a Internal Medicine Physician provider in Santa Isabel, PR (NPI 1346233616).
Provider details
- NPI number
- 1346233616
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11088 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 219 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 2,130 | 382 |
| Atorvastatin Calcium | 1,478 | 454 |
| Gabapentin | 1,144 | 306 |
| Losartan Potassium | 1,024 | 315 |
| Pantoprazole Sodium | 785 | 151 |
| Amlodipine Besylate | 784 | 253 |
| Omeprazole | 776 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-23
- Last updated
- 2015-09-17
Frequently asked questions
- What is David Questell Alvarado's NPI number?
- David Questell Alvarado's National Provider Identifier (NPI) is 1346233616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Questell Alvarado's specialty?
- David Questell Alvarado is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Questell Alvarado located?
- David Questell Alvarado's practice location on file with NPPES is 2 Calle Ruiz Belvis, Santa Isabel, PR 00757-2619.
- What is David Questell Alvarado's phone number?
- The practice phone number listed in the NPPES registry for David Questell Alvarado is (787) 845-3713.
- Does David Questell Alvarado accept Medicare?
- David Questell Alvarado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Questell Alvarado's NPI active?
- Yes — David Questell Alvarado's NPI (1346233616) is active in the NPPES registry as of the last update on 2015-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.