Doctor profile · Federal record

Dr. Nerses Tchekmedyian, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Irvine, CA

  • NPI 1821032129
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1000 Fivepoint
Irvine, CA 926182377
(949) 671-4673
fax (949) 671-4329
Additional location
1043 Elm Ave Ste 104
Long Beach, CA 908133244
(562) 590-0345
fax (562) 437-8139
Additional location
2100 Main St Ste 300
Huntington Beach, CA 926482489
(714) 252-9415
fax (714) 963-8407
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 30, 2024
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A42410

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821032129. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,989
Distinct HCPCS
10
Medicare allowed
$48,501
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,020 11 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 230 17 $0
J2405 Injection, ondansetron hydrochloride, per 1 mg 224 14 $0
96375 Injection of additional new drug or substance into vein 77 34 $18
96372 Injection of drug or substance under skin or into muscle 67 46 $16
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 63 50 $74
96413 Administration of chemotherapy into vein, 1 hour or less 56 36 $152
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 39 18 $23
96361 Infusion into a vein for hydration, each additional hour 34 19 $14
J1200 Injection, diphenhydramine hcl, up to 50 mg 30 21 $1

In context: peer comparison

Among 5 peers in this city , average services per provider: 1,303. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nerses Tchekmedyian's medical specialty?
Dr. Nerses Tchekmedyian practices Hematology & Oncology Physician in Irvine, CA.
Where does Dr. Nerses Tchekmedyian practice?
Dr. Nerses Tchekmedyian practices at 1000 Fivepoint, Irvine, CA 926182377. Office phone: 9496714673.
What is Dr. Nerses Tchekmedyian's NPI?
Dr. Nerses Tchekmedyian's National Provider Identifier (NPI) is 1821032129, issued by NPPES.
Does Dr. Nerses Tchekmedyian accept Medicare assignment?
Yes. Dr. Nerses Tchekmedyian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nerses Tchekmedyian commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Injection, ondansetron hydrochloride, per 1 mg (HCPCS J2405). Source: CMS Medicare Physician & Other Practitioners file.