Doctor profile · Federal record

Dr. Michael Piesman, M.D.

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

  • NPI 1750402046
  • Accepts Medicare
  • MIPS 79.9 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 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
Mailing address
8415 Datapoint Dr, Suite 1000
San Antonio, TX 782293298

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
March 17, 2018
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Texas #M8920 · Indiana #01051558A
Medicaid
TX #331821401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750402046. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,153
Distinct HCPCS
10
Medicare allowed
$167,580
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 202 178 $121
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 162 158 $83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 124 124 $237
99204 New patient office or other outpatient visit, 45-59 minutes 111 111 $157
99213 Established patient office or other outpatient visit, 20-29 minutes 72 68 $87
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 56 55 $195
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 45 45 $168
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 44 32 $76
74328 Review by radiologist of image from tube placement into bile duct using an endoscope 42 32 $22
46221 Removal of external hemorrhoids by rubber banding 40 16 $254

In context: peer comparison

Among 3 peers in Live Oak Gastroenterology Physician, average services per provider: 64. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,740
Transactions
96
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 30 $424.08
Janssen Biotech, INC. 18 $279.03
Boston Scientific Corporation 17 $181.06
Takeda Pharmaceuticals U.S.A., INC. 3 $171.80
Gilead Sciences, INC. 6 $141.71
Genzyme Corporation 4 $101.52
Regeneron Healthcare Solutions, INC. 2 $60.11
Pfizer INC. 3 $52.95
Qol Medical, LLC 2 $42.25
Lilly USA, LLC 2 $38.90
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $38.20
Braintree Laboratories, INC. 2 $34.32
Aimmune Therapeutics, INC. 2 $32.41
Madrigal Pharmaceuticals 2 $31.78
Ironwood Pharmaceuticals, INC 1 $26.13

By nature of payment

Food and Beverage
$1,740

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,214
Patients
595
Total drug cost
$90,027
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 431 157 $7,176
Famotidine Generic 193 73 $4,362
Omeprazole Generic 100 44 $1,770
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 72 71 $12,147
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 62 61 $10,239
Dicyclomine Hcl Generic 61 26 $1,493
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 59 58 $1,073
Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) Brand 58 57 $8,493
Ursodiol Generic 38 0 $9,343
Linzess (Linaclotide) Brand 31 14 $29,085

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Piesman's medical specialty?
Dr. Michael Piesman practices Gastroenterology Physician in Live Oak, TX.
Where does Dr. Michael Piesman practice?
Dr. Michael Piesman practices at 12850 Toepperwein RD, Live Oak, TX 782334115. Office phone: 2106141234.
What is Dr. Michael Piesman's NPI?
Dr. Michael Piesman's National Provider Identifier (NPI) is 1750402046, issued by NPPES.
Does Dr. Michael Piesman accept Medicare assignment?
Yes. Dr. Michael Piesman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Piesman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.