Physician Profile
Larry W. Kwak, M.D., PhD
Unclaimed ProfileAbout Dr. Kwak
Larry W. Kwak, M.D., PhD is a healthcare provider in Duarte, CA specializing in hematology. Larry trained at Northwestern University Feinberg Medical School, graduating in 1981. Larry is also listed as specializing in medical oncology. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (626) 256-4673
- Email not available
Practice Locations
1500 DUARTE RD
Duarte, CA 91010
Conditions Commonly Evaluated or Treated
Within Hematology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Anemia
Bleeding disorders
- Bleeding Disorders
- Frequent Unexplained Nosebleeds
- Heavy Period Bleeding From Bleeding Disorder
- Unexplained Bruising
Blood and immune disorders
Blood cancer
Blood clots
- Blood Clot in Lung
- Blood Clots In Pregnancy
- Deep vein thrombosis
Bone marrow disorders
Clotting disorders
Inherited blood disorders
Iron disorders
Lymph conditions
Lymph disorders
Metabolic blood disorders
Nutritional blood disorders
- Vitamin B12 deficiency
Organ conditions
Platelet disorders
Protein disorders
Red blood cell disorders
- Cold-Triggered Blood Breakdown
- Hemolytic Anemia in Children
- Nighttime Red Blood Cell Breakdown
- Sickle cell disease
- Thalassemia
- Thick Blood
White blood cell disorders
Procedures & services
Most searched procedures
- Blood transfusion
- Chemotherapy
- Immunotherapy
- Targeted therapy
Biopsy
Blood treatments
- Blood Exchange Transfusion
- Plasmapheresis
- Platelet Removal Procedure
- Therapeutic Blood Draw
- White Blood Cell Removal Procedure
Catheter care
Cell therapy
Cellular therapy
Consultation
Consultations
Diagnostic tests
- Clotting Inhibitor Mixing Study
- Complete Blood Count
- Factor Level Blood Test
- Folic Acid Blood Test
- G6PD Enzyme Test
- Iron Level Blood Test
Infusions
Injections
Lab tests
- Blood Cancer Cell Marker Test
- Blood Clotting Tests
- Blood Smear Examination
- Coomb's Test
- Genetic Blood Clotting Test
- Hemoglobin Electrophoresis
- Myeloma Blood Protein Test
Medication management
Monitoring
Patient education
Procedures
Transfusion therapy
Transplants
Treatments
Procedures Most Often Billed to Medicare
27 services · 16 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hematology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other hematology specialists in Duarte 7
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Kwak's specialty?
Dr. Kwak is a hematology in Duarte, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Kwak?
Dr. Kwak is listed at 1500 Duarte Rd, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Kwak?
The number on file is (626) 256-4673. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Kwak?
Dr. Kwak's National Provider Identifier is 1134215817. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Kwak's medical education?
Dr. Kwak attended Northwestern University Feinberg Medical School, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Kwak have?
Dr. Kwak has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Kwak known for?
According to Medicare billing data, Dr. Kwak the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Kwak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kwak. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.