Dr. Maria Eloisa Perez Grau, MD
- Medicare services, 2024
- 61
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 1,692
- Hospital affiliations
- 2
- Industry payments
- $21,689
- Practice address
- 1462 Calle P A Rodz, San Juan, PR 00909
- Practice phone
- Call (787) 727-6060
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital Pavia Santurce
San Juan, Puerto Rico
Find Dr. Perez Grau's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Maria Eloisa Perez Grau is a hematologist and oncologist in San Juan, Puerto Rico
Dr. Perez Grau practices at Hospital Pavia Santurce in San Juan, Puerto Rico.
Dr. Perez Grau's NPI, 1821065855, was assigned on March 8, 2006. Dr. Perez Grau graduated from Ponce School of Medicine in 1997. Dr. Perez Grau holds Puerto Rico license 13570.
- NPI
- 1821065855NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062484439
- NPI enumeration date
- March 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 727-6060
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria Eloisa Perez Grau practices at Hospital Pavia Santurce in San Juan, Puerto Rico
Dr. Perez Grau's primary practice is Hospital Pavia Santurce, at 1462 Calle P A Rodz, San Juan, PR 00909 in San Juan County. The practice phone is (787) 727-6060.
- Hospital Pavia Santurce1462 Calle P A Rodz, San Juan, PR 00909 · San Juan CountyPhone(787) 727-6060
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maria Eloisa Perez Grau is affiliated with 3 sites of care and 1 medical group
Dr. Perez Grau's primary practice is Hospital Pavia Santurce in San Juan, Puerto Rico. Dr. Perez Grau is also affiliated with Hospital Pavia Santurce. The medical group on file is Hospital Pavia Santurce. Dmand AI also links Dr. Perez Grau to 1 more hospital, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria Eloisa Perez Grau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perez Grau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Pavia Santurce | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria Eloisa Perez Grau is one of 114 hematologists and oncologists in Puerto Rico
Hematology and oncology is Dr. Perez Grau's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Perez Grau is licensed in Puerto Rico.
Specialties and state licenses
- Hematology and oncology, Puerto RicoPrimary
Hematologists and oncologists near Dr. Perez Grau
Counts of hematologists and oncologists 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 Eloisa Perez Grau billed Medicare for 61 services in 2024
CMS data shows 61 Medicare services from Dr. Perez Grau across 1 procedure code in 2024, all of them office visits, for 41 Medicare patients. Medicare paid $5,004 for them. Every service was in an office.
Dr. Perez Grau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1022024: 6140%
Dr. Perez Grau compared with the Puerto Rico median for hematologists and oncologists, 2024
- Dr. Perez Grau
- Puerto Rico median
- Medicare services
- 61vs 585% above
- Medicare patients
- 41vs 2658% above
- Part D claims
- 1,379vs 88356% above
Medians across 105 hematologists and oncologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Perez Grau's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria Eloisa Perez Grau treated 41 Medicare patients in 2024, average age 75
CMS counts 41 Medicare patients who saw Dr. Perez Grau in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.72, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Perez Grau's median patient age at 76, with 60% women.
Dr. Perez Grau's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Perez Grau's Medicare patients by sex, 2024
- Women2561%
- Men1639%
Chronic conditions among Dr. Perez Grau's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes73%
- Cancer54%
- Arthritis51%
- Chronic kidney disease44%
- COPD29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perez Grau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria Eloisa Perez Grau wrote 1,692 Medicare Part D claims in 2024
In 2024, Dr. Perez Grau wrote 1,692 Medicare Part D claims for 268 patients. 70% of them were for generic drugs. CMS names the drug for 1,379 of them, across 39 drugs with 11 or more claims each, at $3,928,400 in total drug cost. In 2023, CMS named 965 claims across 28 drugs.
Dr. Perez Grau's Part D claims by kind of drug, 2024
- Generic1,178 claims70%
- Brand-name514 claims30%
Dr. Perez Grau'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 Grau's Part D claims, 2024
- Opioids2%35 of 1,692 claims
- Antibiotics6%108 of 1,692 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: 9652024: 1,37943%
Drugs named by CMS: 39 in 2024, 28 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 Eloisa Perez Grau takes part in Medicare
Dr. Perez Grau 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 Eloisa Perez Grau received $21,689 in industry payments from 2016 to 2025
CMS Open Payments shows 906 general payments to Dr. Perez Grau from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Bristol-Myers Squibb Company paid the most, $3,893.
General payments to Dr. Perez Grau by program year, 2016 to 2025
General payments to Dr. Perez Grau by kind, 2016 to 2025
- Food and beverage$17,83182%
- Consulting fees$3,13814%
- Education$7203%
Companies that paid Dr. Perez Grau the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Eloisa Perez Grau graduated from Ponce School of Medicine
Dr. Perez Grau graduated from Ponce School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria Eloisa Perez Grau'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 DataDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Eloisa Perez Grau
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 Eloisa Perez Grau's NPI number?
Dr. Maria Eloisa Perez Grau's NPI number is 1821065855. It was assigned on March 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Eloisa Perez Grau?
Dr. Maria Eloisa Perez Grau is a hematologist and oncologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Maria Eloisa Perez Grau practice?
Dr. Perez Grau practices at 1462 Calle P A Rodz, San Juan, PR 00909. Dr. Perez Grau's primary practice is Hospital Pavia Santurce in San Juan, Puerto Rico. Dmand AI also links Dr. Perez Grau to 1 hospital.
What is Dr. Maria Eloisa Perez Grau's office phone number?
The practice phone on file for Dr. Perez Grau is (787) 727-6060.
What is Dr. Maria Eloisa Perez Grau's medical license number?
Dr. Perez Grau holds Puerto Rico license 13570.
Which hospitals is Dr. Maria Eloisa Perez Grau affiliated with?
Dr. Perez Grau is affiliated with Hospital Pavia Santurce. Dmand AI links Dr. Perez Grau to 1 more hospital.
What medical group is Dr. Maria Eloisa Perez Grau part of?
Dr. Perez Grau is linked to Hospital Pavia Santurce.
Does Dr. Maria Eloisa Perez Grau accept Medicare?
Yes. CMS data shows Dr. Perez Grau billed Medicare for 61 services in 2024, and Dr. Perez Grau accepts Medicare assignment.
How many Medicare patients does Dr. Maria Eloisa Perez Grau see?
CMS counts 41 Medicare patients who saw Dr. Perez Grau in 2024, with an average age of 75.
What services does Dr. Maria Eloisa Perez Grau bill to Medicare?
In 2024, Dr. Perez Grau's most billed Medicare services were office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Maria Eloisa Perez Grau go to medical school?
Dr. Perez Grau graduated from Ponce School of Medicine in 1997.
What drugs does Dr. Maria Eloisa Perez Grau prescribe most?
In 2024 Medicare Part D data, Dr. Perez Grau's most prescribed drugs by claims were Anastrozole, Famotidine and Xtandi.
Has Dr. Maria Eloisa Perez Grau received payments from drug or device companies?
CMS Open Payments shows $21,689 in general payments to Dr. Perez Grau from 37 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Maria Eloisa Perez Grau been practicing?
Dr. Perez Grau graduated from medical school in 1997, 29 years ago.
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