Doctor profile · Federal record

Dr. Kai Zu, M.D.

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

  • NPI 1164583639
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5555 Grossmont Center Dr
La Mesa, CA 919423019
(619) 644-3030
fax (619) 644-3438

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
August 13, 2010
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A74842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164583639. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
193,945
Distinct HCPCS
10
Medicare allowed
$2,133,293
HCPCS Description Services Patients Avg allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 73,675 35 $3
J1439 Injection, ferric carboxymaltose, 1 mg 59,250 36 $1
J9299 Injection, nivolumab, 1 mg 50,040 14 $30
J0897 Injection, denosumab, 1 mg 4,020 16 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,015 30 $0
J2469 Injection, palonosetron hcl, 25 mcg 1,540 26 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 803 379 $96
96372 Injection of drug or substance under skin or into muscle 485 67 $15
96375 Injection of additional new drug or substance into vein 405 36 $17
96413 Administration of chemotherapy into vein, 1 hour or less 375 53 $150

In context: peer comparison

Among 3 peers in this city , average services per provider: 5,156. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,291
Transactions
43
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $2,225.31
PFIZER INC. 9 $183.95
E.R. Squibb & Sons, L.L.C. 6 $128.99
Novartis Pharmaceuticals Corporation 4 $88.80
Celgene Corporation 3 $72.77
Eisai Inc. 3 $68.40
ABBVIE INC. 3 $65.31
Alexion Pharmaceuticals, Inc. 2 $60.82
Gilead Sciences, Inc. 2 $55.05
Astellas Pharma US Inc 2 $53.62
Novo Nordisk Inc 2 $46.93
PharmaEssentia USA Corporation 1 $33.29
BeiGene USA, Inc. 1 $28.89
Regeneron Healthcare Solutions, Inc. 1 $26.76
SpringWorks Therapeutics, Inc. 1 $25.24

By nature of payment

Consulting Fee
$2,200
Food and Beverage
$1,091

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
773
Patients
140
Total drug cost
$1,764,921
Drug Type Claims Patients Total cost
Anastrozole Generic 172 35 $4,243
Ondansetron Hcl Generic 81 32 $1,117
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 69 16 $1,999
Morphine Sulfate Er (Morphine Sulfate) Brand 59 11 $2,155
Levothyroxine Sodium Generic 58 0 $735
Reblozyl (Luspatercept-Aamt) Brand 58 0 $749,553
Potassium Chloride Generic 46 16 $617
Hydroxyurea Generic 38 0 $1,437
Omeprazole Generic 37 13 $428
Aranesp (Darbepoetin Alfa In Polysorbat) Brand 28 0 $115,646

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kai Zu's medical specialty?
Dr. Kai Zu practices Hematology & Oncology Physician in La Mesa, CA.
Where does Dr. Kai Zu practice?
Dr. Kai Zu practices at 5555 Grossmont Center Dr, La Mesa, CA 919423019. Office phone: 6196443030.
What is Dr. Kai Zu's NPI?
Dr. Kai Zu's National Provider Identifier (NPI) is 1164583639, issued by NPPES.
Does Dr. Kai Zu accept Medicare assignment?
Yes. Dr. Kai Zu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kai Zu commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, nivolumab, 1 mg (HCPCS J9299). Source: CMS Medicare Physician & Other Practitioners file.