Lisette Perez Diaz, M.D.
NPI 1285637504 · Otolaryngology Physician · Guaynabo, PR
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisette Perez Diaz, M.D. is a Otolaryngology Physician provider in Guaynabo, PR (NPI 1285637504).
Provider details
- NPI number
- 1285637504
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 11652 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
41 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $89 |
| Removal of Impacted Ear Wax69210 | 16 | $46 |
Typical Medicare-allowed amounts for these services range $46–$89 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 243 | 99 |
| Omeprazole | 105 | 45 |
| Fluocinolone Acetonide Oil | 77 | 56 |
| Fluticasone Propionate | 57 | 28 |
| Azelastine Hcl | 34 | 19 |
| Azelastine/Fluticasonebrand: Azelastine-Fluticasone | 30 | 11 |
| Sucralfate | 25 | 17 |
| Prednisolone Acetate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-31
- Last updated
- 2015-06-23
Frequently asked questions
- What is Lisette Perez Diaz's NPI number?
- Lisette Perez Diaz's National Provider Identifier (NPI) is 1285637504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisette Perez Diaz's specialty?
- Lisette Perez Diaz is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Lisette Perez Diaz located?
- Lisette Perez Diaz's practice location on file with NPPES is 1510 Ave Fd Roosevelt, Guaynabo, PR 00968-2602.
- What is Lisette Perez Diaz's phone number?
- The practice phone number listed in the NPPES registry for Lisette Perez Diaz is (787) 706-4334.
- Does Lisette Perez Diaz accept Medicare?
- Lisette Perez Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisette Perez Diaz's NPI active?
- Yes — Lisette Perez Diaz's NPI (1285637504) is active in the NPPES registry as of the last update on 2015-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.