Doctor profile · Federal record

Dr. Barton Ueki, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Whittier, CA

  • NPI 1043219355
  • Accepts Medicare
  • 60 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12486 Washington Blvd
Whittier, CA 906021005
(562) 693-0756
fax (562) 693-2371
Additional location
5750 Downey Ave Ste 202
Lakewood, CA 907121470
(562) 634-4939
fax (562) 634-5809

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
October 22, 2019
Year of graduation
1966 — 60 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A22592
Medicaid
CA #00A225920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043219355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
2
Medicare allowed
$17,852
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 92 68 $99
99204 New patient office or other outpatient visit, 45-59 minutes 48 48 $183

In context: peer comparison

Among 5 peers in this city , average services per provider: 94. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$422
Transactions
20
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 8 $159.05
Gilead Sciences, Inc. 5 $107.07
Salix Pharmaceuticals, a division of Bausch Health US, LLC 5 $104.84
Madrigal Pharmaceuticals 1 $31.29
Intercept Pharmaceuticals, Inc. 1 $19.28

By nature of payment

Food and Beverage
$422

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
433
Patients
225
Total drug cost
$51,512
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 116 112 $2,010
Dicyclomine Hcl Generic 47 23 $2,036
Omeprazole Generic 47 28 $938
Linzess (Linaclotide) Brand 33 13 $31,875
Pantoprazole Sodium Generic 32 15 $544
Famotidine Generic 26 18 $517
Sucralfate Generic 19 0 $3,611
Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 16 16 $290
Amlodipine Besylate Generic 15 0 $131
Atorvastatin Calcium Generic 15 0 $138

Frequently asked questions

Auto-generated from federal data
What is Dr. Barton Ueki's medical specialty?
Dr. Barton Ueki practices Gastroenterology Physician in Whittier, CA.
Where does Dr. Barton Ueki practice?
Dr. Barton Ueki practices at 12486 Washington Blvd, Whittier, CA 906021005. Office phone: 5626930756.
What is Dr. Barton Ueki's NPI?
Dr. Barton Ueki's National Provider Identifier (NPI) is 1043219355, issued by NPPES.
Does Dr. Barton Ueki accept Medicare assignment?
Yes. Dr. Barton Ueki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barton Ueki commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.