Doctor profile · Federal record

Dr. Jack Freimann, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Specialist · Whittier, CA

  • NPI 1306953021
  • Accepts Medicare
  • MIPS 61.4 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8135 Painter Ave, Suite 103
Whittier, CA 906023158
(562) 698-6888
fax (562) 698-5855
Mailing address
11480 Brookshire Ave, Suite 309
Downey, CA 902415018

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 24, 2013
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #G58179

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306953021. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,073
Distinct HCPCS
10
Medicare allowed
$103,742
HCPCS Description Services Patients Avg allowed
J2405 Injection, ondansetron hydrochloride, per 1 mg 1,000 13 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 770 13 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 329 136 $141
36415 Insertion of needle into vein for collection of blood sample 273 114 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 84 48 $8
96413 Administration of chemotherapy into vein, 1 hour or less 75 17 $154
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 74 30 $84
M0010 Enhancing oncology model (eom) monthly enhanced oncology services (meos) payment for eom enhanced services 73 14 $82
99213 Established patient office or other outpatient visit, 20-29 minutes 57 51 $99
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 50 12 $34

In context: peer comparison

Among 4 peers in this city , average services per provider: 237. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,302
Transactions
90
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 13 $370.46
Merck Sharp & Dohme LLC 9 $230.85
Incyte Corporation 7 $199.54
PFIZER INC. 11 $198.95
Celgene Corporation 11 $183.08
Takeda Pharmaceuticals U.S.A., Inc. 6 $178.65
Gilead Sciences, Inc. 6 $162.47
AstraZeneca Pharmaceuticals LP 5 $127.08
Daiichi Sankyo Inc. 5 $123.26
Janssen Biotech, Inc. 5 $113.88
Exelixis Inc. 3 $104.36
ABBVIE INC. 4 $100.99
Astellas Pharma US Inc 1 $99.95
EMD Serono, Inc. 2 $72.71
Regeneron Healthcare Solutions, Inc. 2 $64.89

By nature of payment

Food and Beverage
$3,128
Education
$175

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
286
Patients
56
Total drug cost
$536,967
Drug Type Claims Patients Total cost
Anastrozole Generic 50 22 $1,832
Levothyroxine Sodium Generic 36 11 $308
Dexamethasone Generic 32 11 $439
Ondansetron Hcl Generic 21 12 $478
Keytruda (Pembrolizumab) Brand 20 0 $244,520
Alendronate Sodium Generic 17 0 $121
Hydroxyurea Generic 17 0 $563
Revlimid (Lenalidomide) Brand 16 0 $241,654
Bicalutamide Generic 14 0 $1,131
Orgovyx (Relugolix) Brand 14 0 $36,947

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jack Freimann's medical specialty?
Dr. Jack Freimann practices Hematology & Oncology Physician in Whittier, CA.
Where does Dr. Jack Freimann practice?
Dr. Jack Freimann practices at 8135 Painter Ave, Whittier, CA 906023158. Office phone: 5626986888.
What is Dr. Jack Freimann's NPI?
Dr. Jack Freimann's National Provider Identifier (NPI) is 1306953021, issued by NPPES.
Does Dr. Jack Freimann accept Medicare assignment?
Yes. Dr. Jack Freimann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jack Freimann commonly perform?
Top Medicare-reported procedures in 2023: Injection, ondansetron hydrochloride, per 1 mg (HCPCS J2405); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.