Doctor profile · Federal record

Dr. Kiem Liem, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Hematology (Internal Medicine) Physician · Medical Oncology Physician · Long Beach, CA

  • NPI 1407875982
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 39 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3747 Worsham Ave Ste 101
Long Beach, CA 908081734
(562) 430-5900
fax (562) 799-8379
Additional location
1043 Elm Ave, Ste 104
Long Beach, CA 908133271
(562) 590-0345
fax (562) 437-8139
Additional location
350 Heritage Way Ste 1100
Kalispell, MT 599013160
(406) 752-8900
fax (406) 752-8909
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 10, 2024
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
California #A53159 · Montana #141060
Medicaid
CA #00A531590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407875982. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34,514
Distinct HCPCS
10
Medicare allowed
$339,762
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 15,750 15 $1
Q5101 Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram 8,760 11 $0
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg 3,270 11 $45
J0897 Injection, denosumab, 1 mg 2,220 18 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 918 28 $0
J2405 Injection, ondansetron hydrochloride, per 1 mg 904 23 $0
96375 Injection of additional new drug or substance into vein 410 53 $18
99213 Established patient office or other outpatient visit, 20-29 minutes 305 138 $97
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 288 80 $52
96372 Injection of drug or substance under skin or into muscle 272 70 $16

In context: peer comparison

Among 6 peers in this city , average services per provider: 1,379. This provider delivers 25× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
367
Patients
13
Total drug cost
$307,499
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 50 0 $46,510
Xarelto (Rivaroxaban) Brand 43 0 $42,619
Letrozole Generic 31 13 $1,434
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 0 $630
Gabapentin Generic 27 0 $394
Hydroxyurea Generic 23 0 $515
Lorazepam Generic 22 0 $187
Ondansetron Odt (Ondansetron) Brand 20 0 $269
Prednisone Generic 19 0 $124
Exemestane Generic 18 0 $5,865

Frequently asked questions

Auto-generated from federal data
What is Dr. Kiem Liem's medical specialty?
Dr. Kiem Liem practices Hematology & Oncology Physician in Long Beach, CA.
Where does Dr. Kiem Liem practice?
Dr. Kiem Liem practices at 3747 Worsham Ave Ste 101, Long Beach, CA 908081734. Office phone: 5624305900.
What is Dr. Kiem Liem's NPI?
Dr. Kiem Liem's National Provider Identifier (NPI) is 1407875982, issued by NPPES.
Does Dr. Kiem Liem accept Medicare assignment?
Yes. Dr. Kiem Liem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kiem Liem commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram (HCPCS Q5101); Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg (HCPCS J1569). Source: CMS Medicare Physician & Other Practitioners file.