Dr. Maria L. Perez, MD
- Medicare services, 2019
- 46
- Part D claims, 2024
- 9,582
- Industry payments
- $1,257
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- D-5 B, San Juan, PR 00926
- Practice phone
- Call (787) 751-7773
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
San Juan, Puerto Rico
Find Dr. Perez's professional email, personal email and mobile number
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Dr. Maria L. Perez is a general practice physician in San Juan, Puerto Rico
Dr. Perez practices at Quest Diagnostics in San Juan, Puerto Rico.
Dr. Perez's NPI, 1396764056, was assigned on July 19, 2006. Dr. Perez holds Puerto Rico license 16028.
- NPI
- 1396764056NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739103391
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 751-7773
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria L. Perez practices at Quest Diagnostics in San Juan, Puerto Rico
Dr. Perez's primary practice is Quest Diagnostics, at D-5 B, San Juan, PR 00926 in San Juan County. The practice phone is (787) 751-7773.
- Quest DiagnosticsD-5 B, San Juan, PR 00926 · San Juan CountyPhone(787) 751-7773
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maria L. Perez is affiliated with 1 site of care
Dr. Perez's primary practice is Quest Diagnostics in San Juan, Puerto Rico.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Maria L. Perez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria L. Perez is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Perez's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Perez is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Perez
Counts of general practice physicians 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. Maria L. Perez billed Medicare for 46 services in 2019
CMS data shows 46 Medicare services from Dr. Perez across 1 procedure code in 2019, all of them office visits. Medicare paid $1,843 for them. Every service was in an office.
Dr. Perez's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 542019: 4615%
Dr. Perez compared with the Puerto Rico median for general practice physicians, 2019
- Dr. Perez
- Puerto Rico median
- Medicare services
- 46vs 3435% above
- Part D claims
- 8,801vs 73512.0 times
Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Perez's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Perez and other general practice physicians in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria L. Perez's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Perez's median patient age at 77, with 100% women.
Dr. Perez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Maria L. Perez wrote 9,582 Medicare Part D claims in 2024
In 2024, Dr. Perez wrote 9,582 Medicare Part D claims for 377 patients. 86% of them were for generic drugs. CMS names the drug for 8,801 of them, across 150 drugs with 11 or more claims each, at $626,615 in total drug cost. In 2023, CMS named 9,085 claims across 161 drugs.
Dr. Perez's Part D claims by kind of drug, 2024
- Generic8,264 claims86%
- Brand-name1,214 claims13%
- Other104 claims1%
Dr. Perez's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Perez's Part D claims, 2024
- Antibiotics2%213 of 9,582 claims
- Antipsychotics, patients 65 and over1%63 of 9,582 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,0852024: 8,8013%
Drugs named by CMS: 150 in 2024, 161 in 2023.
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
How Dr. Maria L. Perez takes part in Medicare
Dr. Perez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Maria L. Perez received $1,257 in industry payments from 2016 to 2024
CMS Open Payments shows 27 general payments to Dr. Perez from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $372.
General payments to Dr. Perez by program year, 2016 to 2024
Companies that paid Dr. Perez 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. Maria L. Perez'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Maria L. Perez
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. Maria L. Perez's NPI number?
Dr. Maria L. Perez's NPI number is 1396764056. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria L. Perez?
Dr. Maria L. Perez is a general practice physician in San Juan, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Maria L. Perez practice?
Dr. Perez practices at D-5 B, San Juan, PR 00926. Dr. Perez's primary practice is Quest Diagnostics in San Juan, Puerto Rico.
What is Dr. Maria L. Perez's office phone number?
The practice phone on file for Dr. Perez is (787) 751-7773.
What is Dr. Maria L. Perez's medical license number?
Dr. Perez holds Puerto Rico license 16028.
Does Dr. Maria L. Perez accept Medicare?
Yes. CMS data shows Dr. Perez billed Medicare for 46 services in 2019, and Dr. Perez accepts Medicare assignment.
What services does Dr. Maria L. Perez bill to Medicare?
In 2019, Dr. Perez's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Maria L. Perez prescribe most?
In 2024 Medicare Part D data, Dr. Perez's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Gabapentin.
Has Dr. Maria L. Perez received payments from drug or device companies?
CMS Open Payments shows $1,257 in general payments to Dr. Perez from 7 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Maria L. Perez been practicing?
Dr. Perez graduated from medical school in 2002, 24 years ago.
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