What is Ivan Perez Rivera's specialty?

Ivan Perez Rivera (NPI 1366645772) is a Medicare-billing provider whose primary specialty is Internal Medicine in Guaynabo, PR.

Where does Ivan Perez Rivera practice?

Ivan Perez Rivera practices in Guaynabo, PR, based on the location reported in the CMS Medicare provider datasets for NPI 1366645772.

How much does Medicare pay Ivan Perez Rivera?

Ivan Perez Rivera (NPI 1366645772) received approximately $4K in total Medicare Part B payments, serving 16 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1366645772

Ivan Perez Rivera

Internal MedicineGuaynabo, PRI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$4K

Peer benchmark

Total Medicare services vs. 426 Internal Medicine providers in PR — below median (cohort median 105).

PRESCRIBING · PART D · 2024

Total Rx claims

15,277

Beneficiaries

—

Total drug cost

$833K

Distinct drugs

148

Brand share

18.3%

Top prescribed drugs

Losartan Potassium962 claims

Famotidine930 claims

Atorvastatin Calcium823 claims

Gabapentin696 claims

Amlodipine Besylate603 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$50

Payment records

By payment type

Food and Beverage$50

Top paying entities

Food and Beverage$50

REFERRAL NETWORK

Where Ivan Perez Rivera's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 4 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HOSPITAL ESPANOL AUXILIO MUTUO DE PUERTO RICO, INC.	38	227
Edesther Caballero-Gippson Psychologist, Clinical · San Juan, PR	19	169
Milab Llc Clinical Laboratory · Carolina, PR	17	74
RENDON, WILFREDO	11	21

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HOSPITAL ESPANOL AUXILIO MUTUO DE PUERTO RICO, INC.	25	115
Edesther Caballero-Gippson Psychologist, Clinical · San Juan, PR	19	202
William Cruz Diagnostic Radiology · San Juan, PR	19	59
Milab Llc Clinical Laboratory · Carolina, PR	17	57
Edmond Medina Podiatry · Bayamon, PR	12	25

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events