Doctor profile · Federal record

Dr. Robert Narvaez, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Specialist · Live Oak, TX

  • NPI 1629076757
  • Accepts Medicare
  • MIPS 68.1 / 100 · 2023
  • 48 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12315 Judson RD Ste 318
Live Oak, TX 782333265
(210) 650-9119
fax (210) 650-9681

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 11, 2026
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #H5014
Medicaid
TX #031692901

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629076757. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,059
Distinct HCPCS
10
Medicare allowed
$95,235
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 301 168 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 156 83 $76
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 119 115 $80
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 112 107 $112
88305 Pathology examination of tissue using a microscope, intermediate complexity 84 31 $35
99204 New patient office or other outpatient visit, 45-59 minutes 61 61 $151
88313 Special stained specimen slides to examine tissue including interpretation and report 53 19 $11
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 51 50 $165
88312 Special stained specimen slides to identify organisms including interpretation and report 38 14 $25
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 38 38 $169

In context: peer comparison

Among 3 peers in Live Oak Gastroenterology Physician, average services per provider: 64. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$927
Transactions
52
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 12 $198.15
Abbvie INC. 12 $158.74
Ardelyx, INC. 3 $146.98
Takeda Pharmaceuticals U.S.A., INC. 10 $145.84
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $73.88
Aimmune Therapeutics, INC. 4 $73.55
Ipsen Biopharmaceuticals, INC 3 $53.54
Evoke Pharma, INC. 1 $22.29
Phathom Pharmaceuticals, INC. 1 $20.33
Braintree Laboratories, INC. 1 $19.34
Gilead Sciences, INC. 1 $14.20

By nature of payment

Food and Beverage
$913
Education
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
361
Patients
71
Total drug cost
$200,375
Drug Type Claims Patients Total cost
Xifaxan (Rifaximin) Brand 39 0 $118,701
Pantoprazole Sodium Generic 33 0 $578
Omeprazole Generic 30 17 $892
Colestipol Hcl Generic 28 18 $3,404
Methylprednisolone Sodium Succ (Methylprednisolone Sod Succ) Brand 28 0 $857
Creon (Lipase/Protease/Amylase) Brand 27 0 $59,794
Dicyclomine Hcl Generic 24 0 $972
Lubiprostone Generic 20 0 $8,328
Promethazine Hcl Generic 20 0 $1,156
Solu-Medrol (Methylprednisolone Sod Succ/Pf) Brand 20 0 $624

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Narvaez's medical specialty?
Dr. Robert Narvaez practices Gastroenterology Physician in Live Oak, TX.
Where does Dr. Robert Narvaez practice?
Dr. Robert Narvaez practices at 12315 Judson RD Ste 318, Live Oak, TX 782333265. Office phone: 2106509119.
What is Dr. Robert Narvaez's NPI?
Dr. Robert Narvaez's National Provider Identifier (NPI) is 1629076757, issued by NPPES.
Does Dr. Robert Narvaez accept Medicare assignment?
Yes. Dr. Robert Narvaez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Narvaez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.