Luis Nieves Garrastegui, MD
NPI 1255344859 · Pulmonary Disease Physician · Rio Piedras, PR
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luis Nieves Garrastegui, MD is a Pulmonary Disease Physician provider in Rio Piedras, PR (NPI 1255344859).
Provider details
- NPI number
- 1255344859
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10618 (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
19 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
409 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $126 |
| Evaluation of Use of Breathing Device94664 | 74 | $17 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 58 | $38 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 57 | $44 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 56 | $56 |
| Test to Measure Largest Amount of Air Breathed in an Out94200 | 37 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 848 | 253 |
| Levalbuterol Tartratebrand: Levalbuterol Tartrate Hfa | 651 | 373 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 643 | 139 |
| Tiotropium Bromidebrand: Spiriva Respimat | 556 | 160 |
| Fluticasone Propionate | 478 | 197 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 468 | 115 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,482 across 23 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
- 2006-08-14
- Last updated
- 2014-08-14
Frequently asked questions
- What is Luis Nieves Garrastegui's NPI number?
- Luis Nieves Garrastegui's National Provider Identifier (NPI) is 1255344859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Nieves Garrastegui's specialty?
- Luis Nieves Garrastegui is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Luis Nieves Garrastegui located?
- Luis Nieves Garrastegui's practice location on file with NPPES is 369 Ave. De Diego, Rio Piedras, PR 00924.
- What is Luis Nieves Garrastegui's phone number?
- The practice phone number listed in the NPPES registry for Luis Nieves Garrastegui is (787) 767-6777.
- Does Luis Nieves Garrastegui accept Medicare?
- Luis Nieves Garrastegui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luis Nieves Garrastegui's NPI active?
- Yes — Luis Nieves Garrastegui's NPI (1255344859) is active in the NPPES registry as of the last update on 2014-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.