DR. SAMUEL WAI-KEE CHUNG JR. M.D.
NPI 1609057157
Internal Medicine - Hematology & Oncology in South Pasadena, CA

Q: What is Samuel Chung's NPI number?

The NPI number for Samuel Chung is 1609057157. It was assigned to this individual provider in the NPPES registry on November 26, 2007.

Q: What is Samuel Chung's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Samuel Chung was last updated on December 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 26, 2007PECOS EnrolledAccepts Medicare Assignment

99.12/100

CMS Quality Rating

209 FAIR OAKS AVE, SOUTH PASADENA, CA 91030(626) 396-2900(626) 799-2889 Get Directions Write a Review

NPPES record last updated: December 4, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 4, 2020, May 22, 2018 (2 updates tracked since 2018).

On this page

About Dr. Samuel Wai-kee Chung Jr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SAMUEL WAI-KEE CHUNG JR. M.D. (NPI 1609057157) is an individual hematology & oncology provider in South Pasadena, California, licensed in California (A99757) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Arcadia, and is a graduate of Loma Linda University School Of Medicine (2003).

NPPES Registry Identity

NPI1609057157

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. SAMUEL WAI-KEE CHUNG JR.Credential: M.D.

Location Address209 FAIR OAKS AVESouth Pasadena, CA 91030

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185 · (626) 775-3514 · Fax (626) 218-5310

Phone(626) 396-2900

Fax(626) 799-2889

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 2003

Enumeration DateNovember 26, 2007

Last NPPES UpdateDecember 4, 20202 updates tracked since enumeration

NPPES CertifiedDecember 4, 2020

✔ NPI 1609057157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · A99757

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

209 FAIR OAKS AVE, South Pasadena, CA 91030

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Secondary Practice Location 1

Location 1301 W Huntington Dr Ste 400Arcadia, CA 91007-3471 · Phone (626) 218-9840 · Fax (626) 218-9860

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Samuel Wai-kee Chung Jr. M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587835673

PECOS Enrollment IDI20110921000533

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Samuel Chung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Hope Medical Foundation

10 mi

Hematology & Oncology

1500 DUARTE RD
Duarte, CA 91010

Reassigned Medicare billing, California enrollment
1,335 clinicians in this Medicare group

NPI 1871886366 (626) 256-4673

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 43

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, oxaliplatin, 0.5 mg J9263

Oxaliplatin is a chemotherapy drug that is administered via injection. It works by stopping cancer cells from growing and dividing, which helps in the treatment of certain types of cancer. The dosage is 0.5 mg, and it's important to follow your doctor's instructions for this treatment.

21,200 services15 patients

Injection, pembrolizumab, 1 mg J9271

Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.

16,400 services17 patients

Injection, aprepitant, 1 mg J0185

Aprepitant injection is a medication used to prevent nausea and vomiting caused by chemotherapy. It works by blocking certain substances in the brain that trigger these symptoms. The dosage is based on your medical condition and response to treatment.

12,610 services23 patients

Injection, paclitaxel, 1 mg J9267

Paclitaxel is a medication administered via injection to treat various types of cancer. It works by inhibiting cell division, thus preventing cancer cells from growing and multiplying. Each dose is tailored to the patient's body size.

6,279 services12 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

4,500 services45 patients

Injection, ondansetron hydrochloride, per 1 mg J2405

Ondansetron hydrochloride is a medication given via injection to help prevent nausea and vomiting, often due to chemotherapy or surgery. It works by blocking certain chemicals in the body that trigger these symptoms.

1,876 services30 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

1,402 services30 patients

Injection, leucovorin calcium, per 50 mg J0640

Leucovorin calcium is an injection given to enhance the effectiveness of certain cancer treatments or to reduce the harmful effects of some medications. The dose is determined by your doctor and is typically administered in a healthcare setting.

915 services13 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

803 services200 patients

Injection, fluorouracil, 500 mg J9190

Fluorouracil is a chemotherapy drug, given as an injection to treat various types of cancer. The 500 mg dose helps to stop cancer cells from growing and multiplying. You might feel some side effects, but these are typically manageable.

602 services13 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

426 services50 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

338 services74 patients

Injection, carboplatin, 50 mg J9045

Carboplatin is a chemotherapy drug used to treat various types of cancer by slowing or stopping the growth of cancer cells. The 50 mg injection is administered into a vein by a healthcare professional. Side effects may occur.

265 services16 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

251 services76 patients

Injection, pegfilgrastim-cbqv (udenyca), biosimilar, 0.5 mg Q5111

Pegfilgrastim-cbqv (Udenyca) is a medication given via injection to stimulate the growth of white blood cells, which help your body fight infections. It's often used for patients undergoing certain types of chemotherapy.

228 services12 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

226 services136 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

209 services72 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

166 services32 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

140 services19 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

127 services32 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

99 services34 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

95 services26 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

94 services83 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

90 services36 patients

Collection of blood sample from implanted device 36591

Collection of a blood sample from an implanted device involves drawing blood from a device placed under your skin. This device, often a port or catheter, allows easy access to your bloodstream. The procedure is usually quick and causes minimal discomfort.

85 services30 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

85 services30 patients

Infusion into a vein for hydration, each additional hour 96361

This procedure involves delivering fluids directly into your vein to keep your body hydrated. It is typically done when oral hydration is insufficient. Each additional hour means more fluid is infused to ensure adequate hydration.

83 services22 patients

Infusion into a vein for hydration, 31-60 minutes 96360

This is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.

75 services21 patients

Chemotherapy administration, intravenous infusion technique; initiation of infusion in the office/clinic setting using office/clinic pump/supplies, with continuation of the infusion in the community setting (e.g., home, domiciliary, rest home or assisted l G0498

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. In the office, a pump is used to start an intravenous infusion of these drugs. The infusion can then be continued at home or another setting, like a rest home.

62 services14 patients

Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion 96368

An infusion into a vein is a method of delivering medication, nutrients, or fluids directly into your bloodstream. If it's concurrent with another infusion, it means two different solutions are given at the same time. This can be for treatment, prevention, or diagnostic purposes.

61 services15 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

58 services18 patients

Irrigation of implanted venous access drug delivery device 96523

Irrigation of an implanted venous access drug delivery device is a procedure to clean or unblock the device. This device is implanted under your skin to allow easy, frequent, and long-term access to your veins for medication delivery. The process involves flushing the device with a sterile solution to ensure it works properly.

56 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

55 services55 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

50 services43 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

44 services13 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

39 services14 patients

Infusion, normal saline solution, sterile (500 ml = 1 unit) J7040

An infusion of a normal saline solution is a common medical procedure. Sterile saline (salt water) is administered into your bloodstream via a drip. This helps to maintain fluid balance in your body, especially when you're unable to drink enough liquids.

34 services13 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

24 services23 patients

Application of on-body injector for under skin injection 96377

An on-body injector is a device used to deliver medication under the skin. It's applied to a clean area of skin, usually the abdomen or back of the arm. The device is activated to inject the medication slowly, ensuring a steady absorption. It's a painless, safe, and effective way to administer certain types of medication.

22 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

22 services22 patients

Injection, prochlorperazine, up to 10 mg J0780

Prochlorperazine injection is a medication used to control severe nausea and vomiting, or to manage symptoms of mental disorders like schizophrenia. It is administered into a muscle or vein by a healthcare professional. The dosage is up to 10 mg.

21 services12 patients

Administration of additional new drug or substance into vein using push technique 96411

This procedure involves injecting a new medication or substance directly into your vein using a method called the 'push' technique. It's a quick way to deliver medication into your bloodstream for fast-acting relief or treatment.

16 services11 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.12/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.23

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier11 claims854 services$0.80 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

1 supplier12 claims12 services$18.82 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIEL JAE KIM M.D.

Internal Medicine (Hematology & Oncology)