Doctor profile · Federal record

Dr. Ersin Unal, MD, PHD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Lakewood, CA

  • NPI 1578825824
  • Accepts Medicare
  • MIPS 77.0 / 100 · 2023
  • 27 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3650 South St Ste 212
Lakewood, CA 90712
(562) 272-7630
fax (562) 272-7631
Additional location
1702 University Dr S
Fargo, ND 58103
(701) 364-3300
Additional location
1400 Pelham Pkwy S, Jacobi Medical Center Building 1 3N1
Bronx, NY 104611138
(718) 918-3230
fax (718) 918-7343

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
September 6, 2019
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
California #A163760 · North Dakota #14492
Medicaid
ND #1471181

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578825824. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
133
Distinct HCPCS
4
Medicare allowed
$14,772
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 59 44 $98
99214 Established patient office or other outpatient visit, 30-39 minutes 40 36 $137
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $178
36415 Insertion of needle into vein for collection of blood sample 15 13 $8

In context: peer comparison

Among 5 peers in Lakewood Hematology & Oncology Physician, average services per provider: 359. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,923
Transactions
174
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 22 $550.56
Novartis Pharmaceuticals Corporation 22 $438.45
Pfizer INC. 18 $352.93
AstraZeneca Pharmaceuticals Lp 16 $327.78
E.R. Squibb & Sons, L.L.C. 19 $318.44
Merck Sharp & Dohme LLC 11 $241.58
Eisai INC. 11 $238.69
Daiichi Sankyo INC. 12 $233.09
Takeda Pharmaceuticals U.S.A., INC. 7 $195.55
Genentech USA, INC. 7 $168.38
Gilead Sciences, INC. 10 $153.48
Celgene Corporation 5 $139.59
Lilly USA, LLC 6 $110.34
Incyte Corporation 4 $110.26
Tempus Ai, INC 4 $106.69

By nature of payment

Food and Beverage
$4,780
Education
$143

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
209
Patients
38
Total drug cost
$652,260
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 38 13 $27,435
Anastrozole Generic 29 14 $706
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 23 11 $110
Dexamethasone Generic 22 0 $532
Revlimid (Lenalidomide) Brand 22 0 $355,271
Acyclovir Generic 17 0 $209
Xtandi (Enzalutamide) Brand 17 0 $265,976
Zoledronic Acid Generic 16 0 $1,212
Letrozole Generic 14 0 $479
Ondansetron Hcl Generic 11 0 $330

Frequently asked questions

Auto-generated from federal data
What is Dr. Ersin Unal's medical specialty?
Dr. Ersin Unal practices Hematology & Oncology Physician in Lakewood, CA.
Where does Dr. Ersin Unal practice?
Dr. Ersin Unal practices at 3650 South St Ste 212, Lakewood, CA 90712. Office phone: 5622727630.
What is Dr. Ersin Unal's NPI?
Dr. Ersin Unal's National Provider Identifier (NPI) is 1578825824, issued by NPPES.
Does Dr. Ersin Unal accept Medicare assignment?
Yes. Dr. Ersin Unal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ersin Unal commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.