Dr. Lisette Y. Perez Diaz, MD
- Medicare services, 2024
- 41
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 779
- Industry payments
- $1,513
- Affiliated sites
- 1
- Practice address
- 70 Cll Santa Cruz, Bayamon, PR 00959
- Practice phone
- Call (787) 620-4747
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital Hima - San Pablo Bayamon
Bayamon, Puerto Rico
Find Dr. Perez Diaz'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. Lisette Y. Perez Diaz is an otolaryngologist in Bayamon, Puerto Rico
Dr. Perez Diaz practices at Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico.
Dr. Perez Diaz's NPI, 1285637504, was assigned on May 31, 2005. Dr. Perez Diaz graduated from University of Puerto Rico School of Medicine in 1988. Dr. Perez Diaz holds Puerto Rico license 11652.
- NPI
- 1285637504NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214901560
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 620-4747
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lisette Y. Perez Diaz practices at Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico
Dr. Perez Diaz's primary practice is Hospital Hima - San Pablo Bayamon, at 70 Cll Santa Cruz, Bayamon, PR 00959 in Bayamon County. The practice phone is (787) 620-4747.
- Hospital Hima - San Pablo Bayamon70 Cll Santa Cruz, Bayamon, PR 00959 · Bayamon CountyPhone(787) 620-4747
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lisette Y. Perez Diaz is affiliated with 2 sites of care and 2 medical groups
Dr. Perez Diaz's primary practice is Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico. The medical group on file is Grupo Radiológico Hacaro. Dmand AI also links Dr. Perez Diaz to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lisette Y. Perez Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perez Diaz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Hima - San Pablo Bayamon | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lisette Y. Perez Diaz is one of 44 otolaryngologists in Puerto Rico
Otolaryngology is Dr. Perez Diaz's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Perez Diaz is licensed in Puerto Rico.
Specialties and state licenses
- Otolaryngology, Puerto RicoPrimary
Otolaryngologists near Dr. Perez Diaz
Counts of otolaryngologists 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. Lisette Y. Perez Diaz billed Medicare for 41 services in 2024
CMS data shows 41 Medicare services from Dr. Perez Diaz across 2 procedure codes in 2024, for 21 Medicare patients. Medicare paid $2,126 for them. Every service was in an office.
Dr. Perez Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 272024: 257%
- Surgery
- 2023: 242024: 1633%
Dr. Perez Diaz compared with the Puerto Rico median for otolaryngologists, 2024
- Dr. Perez Diaz
- Puerto Rico median
- Medicare services
- 41vs 13269% below
- Medicare patients
- 21vs 6166% below
- Part D claims
- 651vs 666Close to median
Medians across 47 otolaryngologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Perez Diaz'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. Lisette Y. Perez Diaz treated 21 Medicare patients in 2024, average age 80
CMS counts 21 Medicare patients who saw Dr. Perez Diaz in 2024. The largest group is under 65, with 0 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Perez Diaz's median patient age at 14, with 0% women.
Dr. Perez Diaz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Perez Diaz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perez Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lisette Y. Perez Diaz wrote 779 Medicare Part D claims in 2024
In 2024, Dr. Perez Diaz wrote 779 Medicare Part D claims for 209 patients. 93% of them were for generic drugs. CMS names the drug for 651 of them, across 11 drugs with 11 or more claims each, at $20,413 in total drug cost. In 2023, CMS named 611 claims across 8 drugs.
Dr. Perez Diaz's Part D claims by kind of drug, 2024
- Generic723 claims93%
- Brand-name56 claims7%
Dr. Perez Diaz'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6112024: 6517%
Drugs named by CMS: 11 in 2024, 8 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. Lisette Y. Perez Diaz takes part in Medicare
Dr. Perez Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lisette Y. Perez Diaz received $1,513 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Perez Diaz from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $431.
General payments to Dr. Perez Diaz by program year, 2016 to 2025
Companies that paid Dr. Perez Diaz 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. Lisette Y. Perez Diaz graduated from University of Puerto Rico School of Medicine
Dr. Perez Diaz graduated from University of Puerto Rico School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lisette Y. Perez Diaz'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 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)Doctors and Clinicians Utilization Data (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. Lisette Y. Perez Diaz
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. Lisette Y. Perez Diaz's NPI number?
Dr. Lisette Y. Perez Diaz's NPI number is 1285637504. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Lisette Y. Perez Diaz?
Dr. Lisette Y. Perez Diaz is an otolaryngologist in Bayamon, Puerto Rico. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Lisette Y. Perez Diaz practice?
Dr. Perez Diaz practices at 70 Cll Santa Cruz, Bayamon, PR 00959. Dr. Perez Diaz's primary practice is Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico. Dmand AI also links Dr. Perez Diaz to 1 group practice or clinic and 1 medical group.
What is Dr. Lisette Y. Perez Diaz's office phone number?
The practice phone on file for Dr. Perez Diaz is (787) 620-4747.
What is Dr. Lisette Y. Perez Diaz's medical license number?
Dr. Perez Diaz holds Puerto Rico license 11652.
What medical group is Dr. Lisette Y. Perez Diaz part of?
Dr. Perez Diaz is linked to Grupo Radiológico Hacaro. Dmand AI links Dr. Perez Diaz to 1 more medical group.
Does Dr. Lisette Y. Perez Diaz accept Medicare?
Yes. CMS data shows Dr. Perez Diaz billed Medicare for 41 services in 2024, and Dr. Perez Diaz accepts Medicare assignment.
How many Medicare patients does Dr. Lisette Y. Perez Diaz see?
CMS counts 21 Medicare patients who saw Dr. Perez Diaz in 2024, with an average age of 80.
What services does Dr. Lisette Y. Perez Diaz bill to Medicare?
In 2024, Dr. Perez Diaz's most billed Medicare services were office visit, established patient (99213) and surgery: ear (69210).
Where did Dr. Lisette Y. Perez Diaz go to medical school?
Dr. Perez Diaz graduated from University of Puerto Rico School of Medicine in 1988.
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What drugs does Dr. Lisette Y. Perez Diaz prescribe most?
In 2024 Medicare Part D data, Dr. Perez Diaz's most prescribed drugs by claims were Famotidine, Omeprazole and Fluocinolone Acetonide Oil.
Has Dr. Lisette Y. Perez Diaz received payments from drug or device companies?
CMS Open Payments shows $1,513 in general payments to Dr. Perez Diaz from 13 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Lisette Y. Perez Diaz been practicing?
Dr. Perez Diaz graduated from medical school in 1988, 38 years ago.
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