Doctor profile · Federal record

Dr. Roberto Collazo-Maldonado, M.D.

Nephrology Physician (CMS: Nephrology) · Dallas, TX

  • NPI 1942295647
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1411 N Beckley Ave Ste 370
Dallas, TX 752031513
(214) 358-2300
fax (214) 579-6983
Mailing address
1505 Lbj Fwy Ste 700
Dallas, TX 752346065

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
November 14, 2023
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #K5871

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942295647. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
629
Distinct HCPCS
6
Medicare allowed
$86,566
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 209 78 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 137 50 $118
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 87 23 $354
99214 Established patient office or other outpatient visit, 30-39 minutes 83 37 $106
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 67 64 $170
90935 Hemodialysis procedure with physician evaluation 46 23 $71

In context: peer comparison

Among 53 peers in Dallas Nephrology Physician, average services per provider: 162. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$656
Transactions
25
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 16 $383.40
Nxstage Medical, INC. 2 $106.55
Travere Therapeutics, INC. 2 $67.75
GlaxoSmithKline, LLC. 2 $34.97
Baxter Healthcare 1 $28.58
Amgen INC. 1 $18.02
Lilly USA, LLC 1 $16.93

By nature of payment

Food and Beverage
$656

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
497
Patients
125
Total drug cost
$71,572
Drug Type Claims Patients Total cost
Losartan Potassium Generic 86 30 $959
Farxiga (Dapagliflozin Propanediol) Brand 60 19 $57,590
Nifedipine ER (Nifedipine) Brand 42 11 $2,233
Torsemide Generic 40 14 $678
Vitamin D2 (Ergocalciferol (Vitamin D2)) Brand 40 15 $410
Amlodipine Besylate Generic 38 12 $374
Carvedilol Generic 36 12 $299
Furosemide Generic 31 0 $215
Sevelamer Carbonate Generic 30 0 $5,747
Lisinopril Generic 29 12 $350

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Roberto Collazo-Maldonado's medical specialty?
Dr. Roberto Collazo-Maldonado practices Nephrology Physician in Dallas, TX.
Where does Dr. Roberto Collazo-Maldonado practice?
Dr. Roberto Collazo-Maldonado practices at 1411 N Beckley Ave Ste 370, Dallas, TX 752031513. Office phone: 2143582300.
What is Dr. Roberto Collazo-Maldonado's NPI?
Dr. Roberto Collazo-Maldonado's National Provider Identifier (NPI) is 1942295647, issued by NPPES.
Does Dr. Roberto Collazo-Maldonado accept Medicare assignment?
Yes. Dr. Roberto Collazo-Maldonado accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roberto Collazo-Maldonado commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.