Dr. Eileen I. Pacheco - Hernandez, MD
- Part D claims, 2024
- 65
- Industry payments
- $900
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 43 18, San Juan, PR 00924
- Practice phone
- Call (787) 772-8300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Centro De Cancer De La Universidad
San Juan, Puerto Rico
Find Dr. Pacheco - Hernandez's professional email, personal email and mobile number
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Dr. Eileen I. Pacheco - Hernandez is a hematologist and oncologist in San Juan, Puerto Rico
Dr. Pacheco - Hernandez practices at Centro De Cancer De La Universidad in San Juan, Puerto Rico.
Dr. Pacheco - Hernandez's NPI, 1831107317, was assigned on August 3, 2006. Dr. Pacheco - Hernandez graduated from University of Puerto Rico School of Medicine in 1977. Dr. Pacheco - Hernandez holds Puerto Rico license 6439.
- NPI
- 1831107317NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Practice phone
- (787) 772-8300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Eileen I. Pacheco - Hernandez practices at Centro De Cancer De La Universidad in San Juan, Puerto Rico
Dr. Pacheco - Hernandez's primary practice is Centro De Cancer De La Universidad, at 43 18, San Juan, PR 00924 in San Juan County. The practice phone is (787) 772-8300.
- Centro De Cancer De La Universidad43 18, San Juan, PR 00924 · San Juan CountyPhone(787) 772-8300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eileen I. Pacheco - Hernandez is affiliated with 1 site of care and 1 medical group
Dr. Pacheco - Hernandez's primary practice is Centro De Cancer De La Universidad in San Juan, Puerto Rico. The medical group on file is Grupo Radiológico Hacaro.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eileen I. Pacheco - Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pacheco - Hernandez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Centro De Cancer De La Universidad | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eileen I. Pacheco - Hernandez is one of 114 hematologists and oncologists in Puerto Rico
Hematology and oncology is Dr. Pacheco - Hernandez's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Pacheco - Hernandez is licensed in Puerto Rico.
Specialties and state licenses
- Hematology and oncology, Puerto RicoPrimary
Hematologists and oncologists near Dr. Pacheco - Hernandez
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. Eileen I. Pacheco - Hernandez's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Pacheco - Hernandez's median patient age at 76, with 80% women.
Dr. Pacheco - Hernandez'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
- Women80%
- Men20%
Source: Dmand AI Patient Panel Data
Dr. Eileen I. Pacheco - Hernandez wrote 65 Medicare Part D claims in 2024
In 2024, Dr. Pacheco - Hernandez wrote 65 Medicare Part D claims for 25 patients. 35% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $366,835 in total drug cost. In 2022, CMS named 11 claims across 1 drug.
Dr. Pacheco - Hernandez's Part D claims by kind of drug, 2024
- Generic23 claims35%
- Brand-name42 claims65%
Dr. Pacheco - Hernandez's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 112023: 23109%
Drugs named by CMS: 2 in 2023, 1 in 2022.
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. Eileen I. Pacheco - Hernandez received $900 in industry payments from 2018 to 2025
CMS Open Payments shows 41 general payments to Dr. Pacheco - Hernandez from 11 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $254.
General payments to Dr. Pacheco - Hernandez by program year, 2018 to 2025
Companies that paid Dr. Pacheco - Hernandez the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eileen I. Pacheco - Hernandez graduated from University of Puerto Rico School of Medicine
Dr. Pacheco - Hernandez graduated from University of Puerto Rico School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eileen I. Pacheco - Hernandez'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 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) |
| 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. Eileen I. Pacheco - Hernandez
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. Eileen I. Pacheco - Hernandez's NPI number?
Dr. Eileen I. Pacheco - Hernandez's NPI number is 1831107317. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eileen I. Pacheco - Hernandez?
Dr. Eileen I. Pacheco - Hernandez 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. Eileen I. Pacheco - Hernandez practice?
Dr. Pacheco - Hernandez practices at 43 18, San Juan, PR 00924. Dr. Pacheco - Hernandez's primary practice is Centro De Cancer De La Universidad in San Juan, Puerto Rico.
What is Dr. Eileen I. Pacheco - Hernandez's office phone number?
The practice phone on file for Dr. Pacheco - Hernandez is (787) 772-8300.
What is Dr. Eileen I. Pacheco - Hernandez's medical license number?
Dr. Pacheco - Hernandez holds Puerto Rico license 6439.
What medical group is Dr. Eileen I. Pacheco - Hernandez part of?
Dr. Pacheco - Hernandez is linked to Grupo Radiológico Hacaro.
Where did Dr. Eileen I. Pacheco - Hernandez go to medical school?
Dr. Pacheco - Hernandez graduated from University of Puerto Rico School of Medicine in 1977.
What drugs does Dr. Eileen I. Pacheco - Hernandez prescribe most?
In 2023 Medicare Part D data, Dr. Pacheco - Hernandez's most prescribed drugs by claims were Calquence and Sprycel.
Has Dr. Eileen I. Pacheco - Hernandez received payments from drug or device companies?
CMS Open Payments shows $900 in general payments to Dr. Pacheco - Hernandez from 11 companies from 2018 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Eileen I. Pacheco - Hernandez been practicing?
Dr. Pacheco - Hernandez graduated from medical school in 1977, 49 years ago.
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