Luis Diaz-Maisonet, MD
NPI 1447214192 · Internal Medicine Physician · Hato Rey, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luis Diaz-Maisonet, MD is a Internal Medicine Physician provider in Hato Rey, PR (NPI 1447214192).
Provider details
- NPI number
- 1447214192
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5252 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
45 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 45 | $88 |
Typical Medicare-allowed amounts for these services range $88–$88 (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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 275 | 93 |
| Gabapentin | 141 | 45 |
| Metformin Hcl | 123 | 36 |
| Glimepiride | 99 | 31 |
| Levothyroxine Sodiumbrand: Synthroid | 93 | 25 |
| Metoprolol Succinate | 78 | 22 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-12
- Last updated
- 2010-03-25
Frequently asked questions
- What is Luis Diaz-Maisonet's NPI number?
- Luis Diaz-Maisonet's National Provider Identifier (NPI) is 1447214192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Diaz-Maisonet's specialty?
- Luis Diaz-Maisonet is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Luis Diaz-Maisonet located?
- Luis Diaz-Maisonet's practice location on file with NPPES is Avendia Ponce De Leon 706, Hato Rey, PR 00918.
- What is Luis Diaz-Maisonet's phone number?
- The practice phone number listed in the NPPES registry for Luis Diaz-Maisonet is (787) 763-5555.
- Does Luis Diaz-Maisonet accept Medicare?
- Luis Diaz-Maisonet is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luis Diaz-Maisonet's NPI active?
- Yes — Luis Diaz-Maisonet's NPI (1447214192) is active in the NPPES registry as of the last update on 2010-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.