Doctor profile · Federal record

Dr. Ayad Hamdan, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · La Jolla, CA

  • NPI 1144431230
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3855 Health Sciences Dr # 960
La Jolla, CA 920931503
(858) 822-6600
fax (858) 822-6844
Mailing address
File 57326
Los Angeles, CA 900747326

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
November 12, 2025
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #C162882

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144431230. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
612
Distinct HCPCS
6
Medicare allowed
$83,757
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 292 57 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 207 71 $149
99215 Established patient office or other outpatient visit, 40-54 minutes 46 24 $147
99205 New patient office or other outpatient visit, 60-74 minutes 33 33 $186
99239 Hospital discharge day management, more than 30 minutes 23 21 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $179

In context: peer comparison

Among 16 peers in this city , average services per provider: 1,484. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
390
Patients
38
Total drug cost
$1,237,439
Drug Type Claims Patients Total cost
Acyclovir Generic 131 25 $2,634
Prednisone Generic 33 0 $205
Jakafi (Ruxolitinib Phosphate) Brand 27 0 $481,553
Dexamethasone Generic 25 0 $432
Imbruvica (Ibrutinib) Brand 25 0 $487,066
Eliquis (Apixaban) Brand 22 0 $14,474
Oxycodone Hcl Generic 18 0 $248
Ondansetron Hcl Generic 16 13 $246
Tamsulosin Hcl Generic 16 0 $519
Fluticasone Propionate Generic 14 0 $384

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ayad Hamdan's medical specialty?
Dr. Ayad Hamdan practices Hematology & Oncology Physician in La Jolla, CA.
Where does Dr. Ayad Hamdan practice?
Dr. Ayad Hamdan practices at 3855 Health Sciences Dr # 960, La Jolla, CA 920931503. Office phone: 8588226600.
What is Dr. Ayad Hamdan's NPI?
Dr. Ayad Hamdan's National Provider Identifier (NPI) is 1144431230, issued by NPPES.
Does Dr. Ayad Hamdan accept Medicare assignment?
Yes. Dr. Ayad Hamdan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ayad Hamdan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.