Doctor profile · Federal record

Dr. Nishan Tchekmedyian, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Huntington Beach, CA

  • NPI 1235450305
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

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

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
May 30, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A137047

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235450305. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,281
Distinct HCPCS
10
Medicare allowed
$105,343
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,620 13 $23
J2405 Injection, ondansetron hydrochloride, per 1 mg 376 13 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 346 15 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 251 135 $118
96375 Injection of additional new drug or substance into vein 139 33 $18
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 77 22 $23
99215 Established patient office or other outpatient visit, 40-54 minutes 61 34 $171
96372 Injection of drug or substance under skin or into muscle 57 34 $16
96413 Administration of chemotherapy into vein, 1 hour or less 53 28 $152
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 51 38 $74

In context: peer comparison

Among 5 peers in this city , average services per provider: 352. This provider delivers 9.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
271
Patients
0
Total drug cost
$1,310,676
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 31 0 $836
Eliquis (Apixaban) Brand 30 0 $29,497
Gabapentin Generic 22 0 $259
Ondansetron Hcl Generic 22 0 $158
Dexamethasone Generic 20 0 $551
Anastrozole Generic 17 0 $414
Ibrance (Palbociclib) Brand 16 0 $267,717
Erleada (Apalutamide) Brand 15 0 $234,584
Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) Brand 15 0 $38,253
Revlimid (Lenalidomide) Brand 15 0 $237,825

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nishan Tchekmedyian's medical specialty?
Dr. Nishan Tchekmedyian practices Hematology & Oncology Physician in Huntington Beach, CA.
Where does Dr. Nishan Tchekmedyian practice?
Dr. Nishan Tchekmedyian practices at 2100 Main St Ste 300, Huntington Beach, CA 926482489. Office phone: 7142529415.
What is Dr. Nishan Tchekmedyian's NPI?
Dr. Nishan Tchekmedyian's National Provider Identifier (NPI) is 1235450305, issued by NPPES.
Does Dr. Nishan Tchekmedyian accept Medicare assignment?
Yes. Dr. Nishan Tchekmedyian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nishan Tchekmedyian commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Injection, ondansetron hydrochloride, per 1 mg (HCPCS J2405); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.