Doctor profile · Federal record

Dr. Mohammad Hajighasemi-Ossareh, MD

Neurology Physician (CMS: Neurology) · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Neurology Physician · Westminster, CA

  • NPI 1144683137
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 7 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Hospital Cir
Westminster, CA 926833910
(657) 666-7700
Mailing address
8941 Atlanta Ave # 170
Huntington Beach, CA 926467121

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
February 13, 2026
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (7)
California #A150719 · Florida #TPME1293 · Arizona #63148 · Kentucky #55605 · Virginia #0101272074 · Georgia #88488 · North Carolina #2021-02711

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144683137. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
271
Distinct HCPCS
3
Medicare allowed
$42,302
HCPCS Description Services Patients Avg allowed
G0427 Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth 120 116 $176
G0426 Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth 117 116 $124
G0508 Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth 34 34 $196

In context: peer comparison

Among 1 peers in Westminster Neurology Physician, average services per provider: 90. This provider delivers 3.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohammad Hajighasemi-Ossareh's medical specialty?
Dr. Mohammad Hajighasemi-Ossareh practices Neurology Physician in Westminster, CA.
Where does Dr. Mohammad Hajighasemi-Ossareh practice?
Dr. Mohammad Hajighasemi-Ossareh practices at 200 Hospital Cir, Westminster, CA 926833910. Office phone: 6576667700.
What is Dr. Mohammad Hajighasemi-Ossareh's NPI?
Dr. Mohammad Hajighasemi-Ossareh's National Provider Identifier (NPI) is 1144683137, issued by NPPES.
Does Dr. Mohammad Hajighasemi-Ossareh accept Medicare assignment?
Yes. Dr. Mohammad Hajighasemi-Ossareh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohammad Hajighasemi-Ossareh commonly perform?
Top Medicare-reported procedures in 2023: Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth (HCPCS G0427); Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth (HCPCS G0426); Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth (HCPCS G0508). Source: CMS Medicare Physician & Other Practitioners file.