Are you Weber Chen, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 50 Alessandro Pl Ste 310, Pasadena, CA 91105
About Dr. Chen
Weber Chen, M.D. practices hematology/oncology in Pasadena, CA. Weber is also listed as specializing in specialist and hematology & oncology. Medicare claims data shows Weber provided 78,027 services to 2,544 patients. The services billed most often include injection, oxaliplatin, 0.5 mg, injection, pembrolizumab, 1 mg, and injection, denosumab, 1 mg. The provider's National Provider Identifier (NPI) is 1679504393.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (626) 288-0008
- Email not available
Practice Locations
50 ALESSANDRO PL STE 310
Pasadena, CA 91105
Conditions Commonly Evaluated or Treated
Within Hematology and Oncology 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
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
- Bleeding Disorders
- Blood Clot in Lung
- Blood Clotting Gene Mutation
- Deep vein thrombosis
- Hemochromatosis
- High Platelet Count
- High White Blood Cell Count
- Low Platelets
- Low White Blood Cell Count
- Thick Blood
- Unexplained Bruising
Blood disorders
- Bone Marrow Scarring
- Hemolytic Anemia in Children
- Pre-Myeloma Protein In Blood
- Vitamin B12 deficiency anemia
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
- Bone Strengthening Injections For Cancer
- Pain Management For Cancer
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Supportive cancer care
- Cancer nutrition counseling
- Chemo brain treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hyperbaric oxygen for radiation damage
- Lymphedema Drainage Therapy
- Palliative cancer care
Surgical & Vascular Access
- Chemo port placement
- Chemo port removal
- Draining lung fluid
- Paracentesis
- PICC line placement coordination
Testing & Genetics
Vascular access care
Procedures Most Often Billed to Medicare
78,027 services · 2,544 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Assessment of emotional or behavioral problems | Treatment | 96127 |
1,156 | More than most peers in Hematology/Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
673 | More than most peers in Hematology/Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
585 | More than most peers in Hematology/Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
479 | More often than most peers in Hematology/Oncology |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
256 | More than most peers in Hematology/Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
249 | More than most peers in Hematology/Oncology |
| Infusion into a vein for hydration, each additional hour | Treatment | 96361 |
184 | More often than most peers in Hematology/Oncology |
| Injection, oxaliplatin, 0.5 mg | Drug given | J9263 |
19,300 | More often than most peers in Hematology/Oncology |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
16,200 | More often than most peers in Hematology/Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
9,581 | More often than most peers in Hematology/Oncology |
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.
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.
Other hematology/oncology specialists in Pasadena 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Assessment of emotional or behavioral problems 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Weber Chen?
Weber Chen is a hematology/oncology in Pasadena, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Weber Chen's address?
Weber Chen is listed at 50 Alessandro Pl Ste 310, Pasadena, CA 91105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Weber Chen?
The number on file is (626) 288-0008. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Weber Chen?
Weber Chen's National Provider Identifier is 1679504393. 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
Where did Weber Chen train?
Weber Chen attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Weber Chen have?
Weber Chen has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Weber Chen perform?
According to Medicare billing data, Weber Chen provides treatments such as assessment of emotional or behavioral problems and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Weber Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Weber Chen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.