Doctor profile · Federal record

Dr. Roberto Manllo-Karim, MD

Nephrology Physician (CMS: Nephrology) · McAllen, TX

  • NPI 1891794616
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1901 S 1St St, Ste 600
McAllen, TX 785031228
(956) 631-6136
fax (956) 631-1848

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 1, 2018
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #J2181
Medicaid
TX #131918803

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891794616. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
802
Distinct HCPCS
10
Medicare allowed
$143,277
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 239 68 $344
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 176 98 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 146 97 $92
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 49 27 $286
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 47 36 $116
99213 Established patient office or other outpatient visit, 20-29 minutes 41 34 $78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 39 39 $127
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 30 23 $47
99215 Established patient office or other outpatient visit, 40-54 minutes 24 20 $146
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $162

In context: peer comparison

Among 5 peers in McAllen Nephrology Physician, average services per provider: 163. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$177
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Fresenius USA Marketing, INC. 3 $65.72
Gilead Sciences, INC. 1 $32.92
Akebia Therapeutics INC 1 $24.61
Calliditas Therapeutics US INC. 1 $20.46
Mallinckrodt Hospital Products INC. 1 $18.04
Boehringer Ingelheim Pharmaceuticals, INC. 1 $15.50

By nature of payment

Food and Beverage
$153
Education
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,047
Patients
291
Total drug cost
$331,355
Drug Type Claims Patients Total cost
Farxiga (Dapagliflozin Propanediol) Brand 141 39 $89,611
Amlodipine Besylate Generic 110 35 $512
Clonidine Hcl Generic 91 21 $804
Furosemide Generic 79 36 $464
Losartan Potassium Generic 79 22 $760
Lisinopril Generic 77 24 $682
Sevelamer Carbonate Generic 67 26 $36,125
Auryxia (Ferric Citrate) Brand 66 22 $168,752
Bumetanide Generic 63 15 $1,652
Hydralazine Hcl Generic 54 15 $705

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Roberto Manllo-Karim's medical specialty?
Dr. Roberto Manllo-Karim practices Nephrology Physician in McAllen, TX.
Where does Dr. Roberto Manllo-Karim practice?
Dr. Roberto Manllo-Karim practices at 1901 S 1St St, McAllen, TX 785031228. Office phone: 9566316136.
What is Dr. Roberto Manllo-Karim's NPI?
Dr. Roberto Manllo-Karim's National Provider Identifier (NPI) is 1891794616, issued by NPPES.
Does Dr. Roberto Manllo-Karim accept Medicare assignment?
Yes. Dr. Roberto Manllo-Karim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roberto Manllo-Karim commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.