Ivan Perez Rivera
NPI 1366645772 · Specialist · Guaynabo, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivan Perez Rivera is a Specialist provider in Guaynabo, PR (NPI 1366645772).
Provider details
- NPI number
- 1366645772
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14312 (PR)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
56 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $88 |
Typical Medicare-allowed amounts for these services range $88–$88 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 157 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 962 | 263 |
| Famotidine | 930 | 239 |
| Atorvastatin Calcium | 823 | 276 |
| Gabapentin | 696 | 154 |
| Amlodipine Besylate | 603 | 168 |
| Levothyroxine Sodiumbrand: Synthroid | 543 | 119 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$291 across 5 records (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
- 2007-06-06
- Last updated
- 2008-03-04
Frequently asked questions
- What is Ivan Perez Rivera's NPI number?
- Ivan Perez Rivera's National Provider Identifier (NPI) is 1366645772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivan Perez Rivera's specialty?
- Ivan Perez Rivera is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Ivan Perez Rivera located?
- Ivan Perez Rivera's practice location on file with NPPES is E15 Calle Dildo, Guaynabo, PR 00969-4707.
- What is Ivan Perez Rivera's phone number?
- The practice phone number listed in the NPPES registry for Ivan Perez Rivera is (787) 258-2835.
- Does Ivan Perez Rivera accept Medicare?
- Ivan Perez Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivan Perez Rivera's NPI active?
- Yes — Ivan Perez Rivera's NPI (1366645772) is active in the NPPES registry as of the last update on 2008-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.