Doctor profile · Federal record

Dr. Sassan Ghassemzadeh, M.D.

Emergency Medicine Physician · Riverside, CA

  • NPI 1588923684
  • MIPS 86.3 / 100 · 2023
  • 14 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4445 Magnolia Ave
Riverside, CA 925014135
(951) 788-3000

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
December 8, 2021
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A127195

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588923684. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
375
Distinct HCPCS
4
Medicare allowed
$44,010
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 171 169 $179
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 135 130 $8
99291 Critical care, first 30-74 minutes 40 40 $218
99284 Emergency department visit with moderate level of medical decision making 29 29 $123

In context: peer comparison

Among 33 peers in this city , average services per provider: 83. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$55
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 12 $55

Frequently asked questions

Auto-generated from federal data
What is Dr. Sassan Ghassemzadeh's medical specialty?
Dr. Sassan Ghassemzadeh practices Emergency Medicine Physician in Riverside, CA.
Where does Dr. Sassan Ghassemzadeh practice?
Dr. Sassan Ghassemzadeh practices at 4445 Magnolia Ave, Riverside, CA 925014135. Office phone: 9517883000.
What is Dr. Sassan Ghassemzadeh's NPI?
Dr. Sassan Ghassemzadeh's National Provider Identifier (NPI) is 1588923684, issued by NPPES.
What procedures does Dr. Sassan Ghassemzadeh commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.