Doctor profile · Federal record

Dr. Katherine Kim, MD

Gastroenterology Physician (CMS: Internal Medicine) · Whittier, CA

  • NPI 1184087736
  • Accepts Medicare
  • MIPS 67.3 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12401 Washington Blvd
Whittier, CA 906021006
(562) 698-0811
fax (562) 789-5902

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
September 24, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A156267

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184087736. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
714
Distinct HCPCS
8
Medicare allowed
$84,837
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 299 147 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 252 226 $137
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 47 47 $113
43255 Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 28 26 $205
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 27 27 $124
43246 Insertion of stomach tube using a flexible endoscope 25 25 $198
45378 Diagnostic exam of large bowel using a flexible endoscope 24 22 $176
45380 Biopsy of large bowel using a flexible endoscope 12 12 $161

In context: peer comparison

Among 5 peers in this city , average services per provider: 94. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$538
Transactions
14
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 11 $360.01
Phathom Pharmaceuticals, Inc. 2 $156.90
Janssen Biotech, Inc. 1 $20.96

By nature of payment

Food and Beverage
$538

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Kim's medical specialty?
Dr. Katherine Kim practices Gastroenterology Physician in Whittier, CA.
Where does Dr. Katherine Kim practice?
Dr. Katherine Kim practices at 12401 Washington Blvd, Whittier, CA 906021006. Office phone: 5626980811.
What is Dr. Katherine Kim's NPI?
Dr. Katherine Kim's National Provider Identifier (NPI) is 1184087736, issued by NPPES.
Does Dr. Katherine Kim accept Medicare assignment?
Yes. Dr. Katherine Kim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Kim commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.