Dr. Cesar Perez-Machado, MD
- Part D claims, 2024
- 17
- Industry payments
- $851
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 844 Road Cupey Bajo, San Juan, PR 00926
- Practice phone
- Call (787) 761-8383
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Perez-Machado's professional email, personal email and mobile number
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Dr. Cesar Perez-Machado is a pediatrician in San Juan, Puerto Rico
Dr. Perez-Machado practices in San Juan, Puerto Rico.
Dr. Perez-Machado's NPI, 1669457099, was assigned on December 8, 2005. Dr. Perez-Machado holds Puerto Rico license 9190.
- NPI
- 1669457099NPI Registry (opens in a new tab)
- NPI enumeration date
- December 8, 2005
- NPI status
- Active
- Practice phone
- (787) 761-8383
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Cesar Perez-Machado's practice address is in San Juan, Puerto Rico
Dr. Perez-Machado's practice address in the NPI Registry is 844 Road Cupey Bajo, San Juan, PR 00926. The practice phone is (787) 761-8383.
- NPI Registry address844 Road Cupey Bajo, San Juan, PR 00926Phone(787) 761-8383
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Cesar Perez-Machado's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perez-Machado practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Perez-Machado's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cesar Perez-Machado is one of 366 pediatricians in Puerto Rico
Pediatrics is Dr. Perez-Machado's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Perez-Machado is licensed in Puerto Rico.
Specialties and state licenses
- Pediatrics, Puerto RicoPrimary
Pediatricians near Dr. Perez-Machado
Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Cesar Perez-Machado's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Perez-Machado's median patient age at 55, with 71% women.
Dr. Perez-Machado's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Cesar Perez-Machado wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Perez-Machado wrote 17 Medicare Part D claims. 94% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $144 in total drug cost. In 2019, CMS named 50 claims across 4 drugs.
Dr. Perez-Machado's Part D claims by kind of drug, 2024
- Generic16 claims94%
- Brand-name and other1 claims6%
Dr. Perez-Machado's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 502020: 1374%
Drugs named by CMS: 1 in 2020, 4 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Cesar Perez-Machado received $851 in industry payments from 2016 to 2024
CMS Open Payments shows 13 general payments to Dr. Perez-Machado from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 96% of the total. Merck Sharp & Dohme Corporation paid the most, $419.
General payments to Dr. Perez-Machado by program year, 2016 to 2024
General payments to Dr. Perez-Machado by kind, 2016 to 2024
- Food and beverage$81696%
- Education$354%
Companies that paid Dr. Perez-Machado the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Cesar Perez-Machado's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Cesar Perez-Machado
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Cesar Perez-Machado's NPI number?
Dr. Cesar Perez-Machado's NPI number is 1669457099. It was assigned on December 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Cesar Perez-Machado?
Dr. Cesar Perez-Machado is a pediatrician in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Cesar Perez-Machado practice?
Dr. Perez-Machado practices at 844 Road Cupey Bajo, San Juan, PR 00926.
What is Dr. Cesar Perez-Machado's office phone number?
The practice phone on file for Dr. Perez-Machado is (787) 761-8383.
What is Dr. Cesar Perez-Machado's medical license number?
Dr. Perez-Machado holds Puerto Rico license 9190.
What drugs does Dr. Cesar Perez-Machado prescribe most?
In 2020 Medicare Part D data, Dr. Perez-Machado's most prescribed drugs by claims were Omeprazole.
Has Dr. Cesar Perez-Machado received payments from drug or device companies?
CMS Open Payments shows $851 in general payments to Dr. Perez-Machado from 7 companies from 2016 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Cesar Perez-Machado been practicing?
Dr. Perez-Machado's NPI was assigned in 2005.
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