Doctor profile · Federal record

Dr. Luis Diaz Cruz, M. D.

Nephrology Physician (CMS: Nephrology) · Toa Baja, PR

  • NPI 1790133718
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
A la Orden Shopping Center 2Nd Fl 600, 2821 Pr-167
Toa Baja, PR 009501502
(787) 710-2532
Mailing address
Po Box 51502
Toa Baja, PR 009501502

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
August 29, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Puerto Rico #022351

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790133718. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
32
Distinct HCPCS
1
Medicare allowed
$2,493
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 32 11 $78

In context: peer comparison

Among 1 peers in Toa Baja Nephrology Physician, average services per provider: 32. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$872
Transactions
30
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 14 $292.72
Bayer Puerto Rico INC. 6 $147.01
Travere Therapeutics, INC. 1 $125.00
Calliditas Therapeutics US INC. 1 $124.92
Boehringer Ingelheim Pharmaceuticals, INC. 4 $89.04
Ani Pharmaceuticals, INC. 1 $25.00
Eli Lilly Export S.A. Puerto Rico Branch 1 $25.00
Lilly USA, LLC 1 $24.16
Otsuka America Pharmaceutical, INC. 1 $19.34

By nature of payment

Food and Beverage
$872

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,610
Patients
534
Total drug cost
$462,154
Drug Type Claims Patients Total cost
Farxiga (Dapagliflozin Propanediol) Brand 445 132 $276,053
Tradjenta (Linagliptin) Brand 183 47 $101,204
Losartan Potassium Generic 143 62 $1,617
Lokelma (Sodium Zirconium Cyclosilicate) Brand 117 35 $73,839
Amlodipine Besylate Generic 109 44 $610
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 95 30 $969
Omega-3 Acid Ethyl Esters Generic 90 35 $4,879
Lisinopril Generic 89 32 $243
Atorvastatin Calcium Generic 70 31 $549
Metformin Hcl Generic 62 24 $307

Frequently asked questions

Auto-generated from federal data
What is Dr. Luis Diaz Cruz's medical specialty?
Dr. Luis Diaz Cruz practices Nephrology Physician in Toa Baja, PR.
Where does Dr. Luis Diaz Cruz practice?
Dr. Luis Diaz Cruz practices at A la Orden Shopping Center 2Nd Fl 600, Toa Baja, PR 009501502. Office phone: 7877102532.
What is Dr. Luis Diaz Cruz's NPI?
Dr. Luis Diaz Cruz's National Provider Identifier (NPI) is 1790133718, issued by NPPES.
Does Dr. Luis Diaz Cruz accept Medicare assignment?
Yes. Dr. Luis Diaz Cruz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Luis Diaz Cruz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.