Doctor profile · Federal record

Dr. Omar Mamlouk, M.D

Nephrology Physician (CMS: Nephrology) · Houston, TX

  • NPI 1629489703
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 770304000
(713) 563-7100
Mailing address
1400 Pressler St # 13.6082
Houston, TX 770303722

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
October 9, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #S1174

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629489703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
854
Distinct HCPCS
6
Medicare allowed
$111,579
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 518 167 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 132 127 $174
90935 Hemodialysis procedure with physician evaluation 76 37 $72
99215 Established patient office or other outpatient visit, 40-54 minutes 68 58 $144
99205 New patient office or other outpatient visit, 60-74 minutes 42 42 $182
99291 Critical care, first 30-74 minutes 18 13 $217

In context: peer comparison

Among 76 peers in Houston Nephrology Physician, average services per provider: 140. This provider delivers 6.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Mamlouk's medical specialty?
Dr. Omar Mamlouk practices Nephrology Physician in Houston, TX.
Where does Dr. Omar Mamlouk practice?
Dr. Omar Mamlouk practices at 1515 Holcombe Blvd, Houston, TX 770304000. Office phone: 7135637100.
What is Dr. Omar Mamlouk's NPI?
Dr. Omar Mamlouk's National Provider Identifier (NPI) is 1629489703, issued by NPPES.
Does Dr. Omar Mamlouk accept Medicare assignment?
Yes. Dr. Omar Mamlouk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Omar Mamlouk commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.