Doctor profile · Federal record
Dr. Larry Kwak, M.D. , PHD
Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Duarte, CA
- NPI 1134215817
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673 - Additional location
-
1515 Holcombe Blvd
Houston, TX 770304009
(713) 792-6161 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- November 11, 2020
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State license (1)
- California #G55439
- Medicaid
- TX #165889001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134215817. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
26
Distinct HCPCS
1
Medicare allowed
$2,671
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 14 | $103 |
In context: peer comparison
Among 27 peers in Duarte Hematology (Internal Medicine) Physician, average services per provider: 117. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PharmaEssentia USA Corporation | 1 | $25.59 |
By nature of payment
Frequently asked questions
What is Dr. Larry Kwak's medical specialty?
Dr. Larry Kwak practices Hematology (Internal Medicine) Physician in Duarte, CA.
Where does Dr. Larry Kwak practice?
Dr. Larry Kwak practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Larry Kwak's NPI?
Dr. Larry Kwak's National Provider Identifier (NPI) is 1134215817, issued by NPPES.
Does Dr. Larry Kwak accept Medicare assignment?
Yes. Dr. Larry Kwak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larry Kwak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.