Doctor profile · Federal record

Dr. Semyon Gambarin, MD

Surgery Physician (CMS: General Surgery) · Austin, TX

  • NPI 1871508937
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6811 Austin Center Blvd # 300
Austin, TX 787313166
(512) 346-8888
fax (512) 344-0335
Mailing address
6210 E Highway 290
Austin, TX 787231144

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 20, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Texas #L6388
Medicaid (4)
TX #P00004603 · TX #158094604 · TX #158094602 · TX #158094601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871508937. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
426
Distinct HCPCS
10
Medicare allowed
$61,252
HCPCS Description Services Patients Avg allowed
99202 New patient office or other outpatient visit, 15-29 minutes 66 66 $73
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $164
45380 Biopsy of large bowel using a flexible endoscope 48 48 $134
99203 New patient office or other outpatient visit, 30-44 minutes 48 48 $113
99213 Established patient office or other outpatient visit, 20-29 minutes 46 42 $91
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 36 36 $179
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 31 31 $248
99212 Established patient office or other outpatient visit, 10-19 minutes 23 23 $55
99214 Established patient office or other outpatient visit, 30-39 minutes 22 22 $129
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 20 20 $73

In context: peer comparison

Among 35 peers in Austin Surgery Physician, average services per provider: 43. This provider delivers 9.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
14
Total drug cost
$284
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 16 14 $284

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Semyon Gambarin's medical specialty?
Dr. Semyon Gambarin practices Surgery Physician in Austin, TX.
Where does Dr. Semyon Gambarin practice?
Dr. Semyon Gambarin practices at 6811 Austin Center Blvd # 300, Austin, TX 787313166. Office phone: 5123468888.
What is Dr. Semyon Gambarin's NPI?
Dr. Semyon Gambarin's National Provider Identifier (NPI) is 1871508937, issued by NPPES.
Does Dr. Semyon Gambarin accept Medicare assignment?
Yes. Dr. Semyon Gambarin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Semyon Gambarin commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99202); New patient office or other outpatient visit (HCPCS 99204); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.