Doctor profile · Federal record

Dr. Jaan Hasan

Emergency Medicine Physician (CMS: Emergency Medicine) · Oakland, CA

  • NPI 1144883075
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 Hawthorne Ave
Oakland, CA 946093108
(510) 655-4000
Mailing address
Po Box 920139
Dallas, TX 753920139

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
June 21, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A184752

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144883075. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
596
Distinct HCPCS
5
Medicare allowed
$55,014
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 232 230 $187
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 185 181 $9
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 123 122 $7
99284 Emergency department visit with moderate level of medical decision making 38 38 $129
99291 Critical care, first 30-74 minutes 18 18 $232

In context: peer comparison

Among 71 peers in Oakland Emergency Medicine Physician, average services per provider: 73. This provider delivers 8.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
90
Patients
88
Total drug cost
$767
Drug Type Claims Patients Total cost
Ibuprofen Generic 33 32 $158
Ondansetron Odt (Ondansetron) Brand 21 20 $98
Cefdinir Generic 20 20 $403
Famotidine Generic 16 16 $108

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jaan Hasan's medical specialty?
Dr. Jaan Hasan practices Emergency Medicine Physician in Oakland, CA.
Where does Dr. Jaan Hasan practice?
Dr. Jaan Hasan practices at 350 Hawthorne Ave, Oakland, CA 946093108. Office phone: 5106554000.
What is Dr. Jaan Hasan's NPI?
Dr. Jaan Hasan's National Provider Identifier (NPI) is 1144883075, issued by NPPES.
Does Dr. Jaan Hasan accept Medicare assignment?
Yes. Dr. Jaan Hasan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jaan Hasan 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); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042). Source: CMS Medicare Physician & Other Practitioners file.