Doctor profile · Federal record

Dr. Adam Hafemeister, MD

Gastroenterology Physician (CMS: Gastroenterology) · Austin, TX

  • NPI 1225268261
  • 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
4310 James Casey St, Ste 4-A
Austin, TX 787451251
(512) 448-4588
fax (512) 445-4511
Mailing address
Po Box 10597
Austin, TX 787661597

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
August 20, 2015
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #P1181
Medicaid
TX #3454761-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225268261. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
778
Distinct HCPCS
10
Medicare allowed
$106,544
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 140 139 $125
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 130 129 $246
99213 Established patient office or other outpatient visit, 20-29 minutes 114 106 $87
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 96 95 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 87 74 $124
99203 New patient office or other outpatient visit, 30-44 minutes 72 72 $108
99204 New patient office or other outpatient visit, 45-59 minutes 54 54 $159
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 20 20 $179
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 18 18 $100
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 18 18 $174

In context: peer comparison

Among 21 peers in Austin Gastroenterology Physician, average services per provider: 53. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,435
Transactions
70
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 19 $405.26
Celgene Corporation 7 $190.10
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 14 $145.64
Janssen Biotech, INC. 11 $131.83
Janssen Scientific Affairs, LLC 1 $117.89
Genzyme Corporation 3 $85.87
Lilly USA, LLC 3 $70.35
Ironwood Pharmaceuticals, INC 2 $55.57
Ardelyx, INC. 3 $48.83
Regeneron Healthcare Solutions, INC. 1 $32.05
Pfizer INC. 2 $27.62
Merck Sharp & Dohme LLC 1 $27.41
Madrigal Pharmaceuticals 1 $25.98
Phathom Pharmaceuticals, INC. 1 $24.36
Aimmune Therapeutics, INC. 1 $16.77

By nature of payment

Food and Beverage
$1,435

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
591
Patients
190
Total drug cost
$70,092
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 206 86 $3,499
Omeprazole Generic 114 47 $1,661
Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) Brand 44 43 $6,344
Dicyclomine Hcl Generic 29 14 $678
Linzess (Linaclotide) Brand 28 0 $25,611
Mesalamine Generic 26 0 $16,431
Colesevelam Hcl Generic 25 0 $5,702
Famotidine Generic 24 0 $365
Esomeprazole Magnesium Generic 23 0 $1,760
Ondansetron Hcl Generic 21 0 $29

Frequently asked questions

Auto-generated from federal data
What is Dr. Adam Hafemeister's medical specialty?
Dr. Adam Hafemeister practices Gastroenterology Physician in Austin, TX.
Where does Dr. Adam Hafemeister practice?
Dr. Adam Hafemeister practices at 4310 James Casey St, Austin, TX 787451251. Office phone: 5124484588.
What is Dr. Adam Hafemeister's NPI?
Dr. Adam Hafemeister's National Provider Identifier (NPI) is 1225268261, issued by NPPES.
Does Dr. Adam Hafemeister accept Medicare assignment?
Yes. Dr. Adam Hafemeister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Hafemeister commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.