Carlos Calisto-Perez, M.D.
NPI 1265681050 · Internal Medicine Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Calisto-Perez, M.D. is a Internal Medicine Physician provider in San Juan, PR (NPI 1265681050).
Provider details
- NPI number
- 1265681050
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 018430 (PR)
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
17 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
567 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 199 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 128 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 94 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 72 | $160 |
| Critical Care, First 30-74 Minutes99291 | 30 | $194 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 23 | $75 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 45 | 16 |
| Potassium Chloride | 42 | 12 |
| Bisoprolol Fumarate | 26 | — |
| Fluoxetine Hcl | 26 | — |
| Olanzapine | 26 | — |
| Metoprolol Succinate | 19 | — |
| Losartan Potassium | 17 | — |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-16
- Last updated
- 2012-04-26
Frequently asked questions
- What is Carlos Calisto-Perez's NPI number?
- Carlos Calisto-Perez's National Provider Identifier (NPI) is 1265681050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Calisto-Perez's specialty?
- Carlos Calisto-Perez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Calisto-Perez located?
- Carlos Calisto-Perez's practice location on file with NPPES is 832 Calle Carmen Sanabria, San Juan, PR 00924-2142.
- What is Carlos Calisto-Perez's phone number?
- The practice phone number listed in the NPPES registry for Carlos Calisto-Perez is (787) 642-2622.
- Does Carlos Calisto-Perez accept Medicare?
- Carlos Calisto-Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Calisto-Perez's NPI active?
- Yes — Carlos Calisto-Perez's NPI (1265681050) is active in the NPPES registry as of the last update on 2012-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.