Doctor profile · Federal record

Dr. Luis Nieves Garrastegui, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Rio Piedras, PR

  • NPI 1255344859
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
369 Ave. de Diego, 308 Torre San Francisco
Rio Piedras, PR 00924
(787) 767-6777
fax (787) 767-6878
Mailing address
Malagueta St., 310 Los Arboles de Montehiedra
San Juan, PR 00926

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 14, 2014
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Puerto Rico #10618

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255344859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
412
Distinct HCPCS
8
Medicare allowed
$26,201
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 98 39 $127
94060 Test to measure expiratory airflow and volume changes before and after medication administration 62 42 $39
94664 Evaluation of use of breathing device 60 42 $17
94727 Test to determine lung volumes using gas dilution or washout 59 39 $44
94729 Test to examine how well the lungs exchange gases 59 39 $57
94200 Test to measure largest amount of air breathed in an out 38 28 $15
94726 Test to determine lung volumes using sensors 24 20 $54
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $218

In context: peer comparison

Among 1 peers in this city , average services per provider: 51. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,482
Transactions
23
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 6 $3,493.28
Bayer Healthcare Pharmaceuticals Inc. 1 $200.00
AstraZeneca Pharmaceuticals LP 4 $181.96
GENZYME CORPORATION 2 $143.85
JAZZ PHARMACEUTICALS INC. 1 $133.35
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $115.47
Mallinckrodt Hospital Products Inc. 1 $101.60
GlaxoSmithKline, LLC. 4 $89.26
Amgen Inc. 1 $23.29

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$3,375
Food and Beverage
$907
Consulting Fee
$200

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,080
Patients
2,180
Total drug cost
$1,136,232
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 964 280 $10,559
Levalbuterol Tartrate Hfa (Levalbuterol Tartrate) Brand 914 439 $52,510
Fluticasone Propionate Generic 907 349 $12,820
Spiriva Respimat (Tiotropium Bromide) Brand 565 156 $296,500
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 526 116 $343,841
Breo Ellipta (Fluticasone/Vilanterol) Brand 375 100 $153,231
Levocetirizine Dihydrochloride Generic 349 138 $3,745
Desloratadine Generic 318 109 $6,775
Symbicort (Budesonide/Formoterol Fumarate) Brand 267 86 $97,266
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 175 34 $83,447

Frequently asked questions

Auto-generated from federal data
What is Dr. Luis Nieves Garrastegui's medical specialty?
Dr. Luis Nieves Garrastegui practices Pulmonary Disease Physician in Rio Piedras, PR.
Where does Dr. Luis Nieves Garrastegui practice?
Dr. Luis Nieves Garrastegui practices at 369 Ave. de Diego, Rio Piedras, PR 00924. Office phone: 7877676777.
What is Dr. Luis Nieves Garrastegui's NPI?
Dr. Luis Nieves Garrastegui's National Provider Identifier (NPI) is 1255344859, issued by NPPES.
Does Dr. Luis Nieves Garrastegui accept Medicare assignment?
Yes. Dr. Luis Nieves Garrastegui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Luis Nieves Garrastegui commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume changes before and after medication administration (HCPCS 94060); Evaluation of use of breathing device (HCPCS 94664). Source: CMS Medicare Physician & Other Practitioners file.