Doctor profile · Federal record

Dr. Robert Faust, M.D.

Gastroenterology Physician · Santa Rosa, CA

  • NPI 1891766861
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1210 Sonoma Ave, Suite B
Santa Rosa, CA 95405
(707) 544-5093
fax (707) 528-8444

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A46484
Medicaid
CA #00A464840

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891766861. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,237
Distinct HCPCS
10
Medicare allowed
$164,495
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 195 193 $259
45380 Biopsy of large bowel using a flexible endoscope 176 174 $89
99213 Established patient office or other outpatient visit, 20-29 minutes 157 139 $98
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 147 146 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 80 69 $139
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 80 80 $5
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 79 57 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 62 62 $181
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 29 29 $105
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 27 26 $139

In context: peer comparison

Among 7 peers in this city , average services per provider: 52. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$131
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 3 $81.69
Janssen Biotech, Inc. 2 $49.44

By nature of payment

Food and Beverage
$131

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
633
Patients
406
Total drug cost
$559,367
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 164 164 $2,796
Pantoprazole Sodium Generic 134 68 $2,130
Famotidine Generic 77 32 $1,306
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 76 73 $5,793
Omeprazole Generic 44 24 $1,040
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 34 34 $811
Mesalamine Generic 22 0 $11,383
Xifaxan (Rifaximin) Brand 18 0 $57,785
Stelara (Ustekinumab) Brand 15 0 $440,410
Creon (Lipase/Protease/Amylase) Brand 14 0 $31,278

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Faust's medical specialty?
Dr. Robert Faust practices Gastroenterology Physician in Santa Rosa, CA.
Where does Dr. Robert Faust practice?
Dr. Robert Faust practices at 1210 Sonoma Ave, Santa Rosa, CA 95405. Office phone: 7075445093.
What is Dr. Robert Faust's NPI?
Dr. Robert Faust's National Provider Identifier (NPI) is 1891766861, issued by NPPES.
What procedures does Dr. Robert Faust commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.