Doctor profile · Federal record

Dr. Hongha Vu James, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Walnut Creek, CA

  • NPI 1174798805
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1450 Treat Blvd, Ste 200
Walnut Creek, CA 945972168
(925) 296-7340
fax (925) 296-9042

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
September 17, 2016
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
California #A143635 · Missouri #2013013936

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174798805. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
799
Distinct HCPCS
10
Medicare allowed
$119,864
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 183 181 $115
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 127 123 $81
99214 Established patient office or other outpatient visit, 30-39 minutes 109 97 $149
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 99 97 $283
99204 New patient office or other outpatient visit, 45-59 minutes 73 73 $189
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 70 50 $90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 64 64 $197
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 27 26 $130
43255 Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 19 19 $198
45378 Diagnostic exam of large bowel using a flexible endoscope 15 14 $197

In context: peer comparison

Among 8 peers in Walnut Creek Gastroenterology Physician, average services per provider: 54. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$698
Transactions
15
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 6 $353.10
Madrigal Pharmaceuticals 1 $141.53
Pfizer INC. 5 $113.23
Gilead Sciences, INC. 2 $67.15
Janssen Biotech, INC. 1 $23.10

By nature of payment

Food and Beverage
$698

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
923
Patients
369
Total drug cost
$117,340
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 252 100 $3,528
Omeprazole Generic 226 76 $4,579
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 102 101 $7,928
Famotidine Generic 99 40 $1,800
Dicyclomine Hcl Generic 46 18 $1,409
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 36 34 $613
Linzess (Linaclotide) Brand 34 0 $31,700
Mesalamine Generic 27 0 $33,063
Sucralfate Generic 25 0 $3,612
Azathioprine Generic 20 0 $863

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hongha Vu James's medical specialty?
Dr. Hongha Vu James practices Gastroenterology Physician in Walnut Creek, CA.
Where does Dr. Hongha Vu James practice?
Dr. Hongha Vu James practices at 1450 Treat Blvd, Walnut Creek, CA 945972168. Office phone: 9252967340.
What is Dr. Hongha Vu James's NPI?
Dr. Hongha Vu James's National Provider Identifier (NPI) is 1174798805, issued by NPPES.
Does Dr. Hongha Vu James accept Medicare assignment?
Yes. Dr. Hongha Vu James accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hongha Vu James commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.