Doctor profile · Federal record

Dr. Darren Spearman, M.D.

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

  • NPI 1851323034
  • Accepts Medicare
  • MIPS 79.9 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
12850 Toepperwein RD
Live Oak, TX 782334115
(210) 614-1234
fax (210) 614-0952
Additional location
5223 Hamilton Wolfe RD
San Antonio, TX 782294463
Additional location
855 Proton RD
San Antonio, TX 782584203
Show 1 more location
Additional location
1 Jarrett White RD, Dept of Medicine- Gastroenterology
Tripler Army Medical Center, HI 968595001
(808) 433-1077
Mailing address
8415 Datapoint Dr Ste 700
San Antonio, TX 782293327

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #Q9519
Medicaid
TX #371811601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851323034. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
755
Distinct HCPCS
10
Medicare allowed
$112,308
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 179 176 $236
99214 Established patient office or other outpatient visit, 30-39 minutes 151 129 $121
99204 New patient office or other outpatient visit, 45-59 minutes 96 96 $159
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 95 95 $89
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 41 41 $172
99213 Established patient office or other outpatient visit, 20-29 minutes 34 28 $87
45380 Biopsy of large bowel using a flexible endoscope 33 33 $113
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 28 28 $87
43450 Dilation of esophagus 26 26 $37
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 23 23 $174

In context: peer comparison

Among 3 peers in Live Oak Gastroenterology Physician, average services per provider: 64. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,793
Transactions
104
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 37 $522.88
Gilead Sciences, INC. 11 $231.53
Janssen Biotech, INC. 11 $166.32
Takeda Pharmaceuticals U.S.A., INC. 8 $133.49
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 7 $133.46
Pfizer INC. 7 $118.23
Lilly USA, LLC 6 $116.61
Genzyme Corporation 4 $102.86
Phathom Pharmaceuticals, INC. 3 $54.40
Braintree Laboratories, INC. 2 $35.17
Ardelyx, INC. 2 $34.45
Ipsen Biopharmaceuticals, INC 2 $32.90
Qol Medical, LLC 2 $32.60
Regeneron Healthcare Solutions, INC. 1 $31.37
Madrigal Pharmaceuticals 1 $16.49

By nature of payment

Food and Beverage
$1,777
Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
622
Patients
311
Total drug cost
$144,308
Drug Type Claims Patients Total cost
Omeprazole Generic 192 68 $2,703
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 69 64 $1,137
Pantoprazole Sodium Generic 62 23 $1,453
Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) Brand 54 53 $7,925
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 48 46 $8,123
Mesalamine Generic 30 0 $35,146
Famotidine Generic 29 15 $504
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 28 26 $4,710
Dexlansoprazole Dr (Dexlansoprazole) Brand 22 0 $7,700
Constulose (Lactulose) Brand 17 0 $658

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Darren Spearman's medical specialty?
Dr. Darren Spearman practices Gastroenterology Physician in Live Oak, TX.
Where does Dr. Darren Spearman practice?
Dr. Darren Spearman practices at 12850 Toepperwein RD, Live Oak, TX 782334115. Office phone: 2106141234.
What is Dr. Darren Spearman's NPI?
Dr. Darren Spearman's National Provider Identifier (NPI) is 1851323034, issued by NPPES.
Does Dr. Darren Spearman accept Medicare assignment?
Yes. Dr. Darren Spearman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Spearman commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.