Doctor profile · Federal record

Dr. Alexander Kim, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Los Angeles, CA

  • NPI 1609190354
  • Accepts Medicare
  • MIPS 67.3 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1245 Wilshire Blvd Ste 430
Los Angeles, CA 900175839
(213) 977-4156

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
August 4, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #20A15607

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609190354. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
247
Distinct HCPCS
8
Medicare allowed
$36,407
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 70 63 $186
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 65 62 $139
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 32 32 $127
99214 Established patient office or other outpatient visit, 30-39 minutes 19 15 $141
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 19 19 $88
45380 Biopsy of large bowel using a flexible endoscope 14 14 $157
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $183
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 14 11 $85

In context: peer comparison

Among 52 peers in Los Angeles Gastroenterology Physician, average services per provider: 124. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,231
Transactions
35
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 8 $312.50
Ardelyx, INC. 10 $292.34
Phathom Pharmaceuticals, INC. 6 $279.60
Celltrion USA INC. 4 $120.18
Qol Medical, LLC 2 $76.52
Janssen Biotech, INC. 2 $46.99
RedHill Biopharma INC. 1 $46.02
Echosens North America, INC. 1 $31.98
Genzyme Corporation 1 $24.92

By nature of payment

Food and Beverage
$1,231

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
121
Patients
34
Total drug cost
$36,908
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 26 0 $207
Linzess (Linaclotide) Brand 25 0 $13,747
Omeprazole Generic 24 0 $538
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 19 19 $3,238
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 16 15 $251
Creon (Lipase/Protease/Amylase) Brand 11 0 $18,927

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Kim's medical specialty?
Dr. Alexander Kim practices Gastroenterology Physician in Los Angeles, CA.
Where does Dr. Alexander Kim practice?
Dr. Alexander Kim practices at 1245 Wilshire Blvd Ste 430, Los Angeles, CA 900175839. Office phone: 2139774156.
What is Dr. Alexander Kim's NPI?
Dr. Alexander Kim's National Provider Identifier (NPI) is 1609190354, issued by NPPES.
Does Dr. Alexander Kim accept Medicare assignment?
Yes. Dr. Alexander Kim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Kim commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); 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.