DR. KAI ZU M.D.
NPI 1164583639
Internal Medicine - Hematology & Oncology in La Mesa, CA

Q: What is Kai Zu's NPI number?

The NPI number for Kai Zu is 1164583639. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Q: What is Kai Zu's specialty?

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

Q: Is Kai Zu enrolled in Medicare?

Yes. Kai Zu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Q: When was this NPI record last updated?

The NPPES record for Kai Zu was last updated on August 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 December 12, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

5555 GROSSMONT CENTER DR, LA MESA, CA 91942(619) 644-3030(619) 644-3438 Get Directions Write a Review

NPPES record last updated: August 13, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Kai Zu M.d. NPPES

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

DR. KAI ZU M.D. (NPI 1164583639) is an individual hematology & oncology provider in La Mesa, California, licensed in California (A74842) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1164583639

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. KAI ZUCredential: M.D.

Location Address5555 GROSSMONT CENTER DRLa Mesa, CA 91942-3019

Mailing Address5555 Grossmont Center DrLa Mesa, CA 91942-3019 · (619) 644-3030 · Fax (619) 644-3438

Phone(619) 644-3030

Fax(619) 644-3438

Sole ProprietorNo

Medical School CMSOtherGraduated 1990

Enumeration DateDecember 12, 2006

Last NPPES UpdateAugust 13, 2010

✔ NPI 1164583639 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 · A74842

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.

5555 GROSSMONT CENTER DR, La Mesa, CA 91942

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Other Identifiers 2

Medicare UPIN106621CA

OtherA74842CA · State License Number

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kai Zu 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 ID6709863574

PECOS Enrollment IDI20040630000824

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.

Areas of Expertise CMS Part B claims 26

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, ferric carboxymaltose, 1 mg J1439

Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.

66,000 services41 patients

Injection, darbepoetin alfa, 1 microgram (non-esrd use) J0881

Darbepoetin alfa injection is a medication used to treat anemia (low red blood cell count) often caused by chronic kidney disease or chemotherapy. It works by stimulating your body to produce more red blood cells, helping to increase your energy and well-being.

64,580 services34 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.

18,400 services15 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.

4,380 services16 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.

2,625 services42 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

1,780 services35 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.

807 services353 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.

585 services55 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.

456 services70 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.

453 services67 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.

356 services237 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.

328 services12 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.

195 services52 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.

162 services29 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.

160 services14 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

154 services13 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.

141 services30 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.

106 services106 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.

82 services41 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.

80 services23 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.

60 services59 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

50 services11 patients

Collection of blood sample from central venous tube 36592

The collection of a blood sample from a central venous tube is a procedure where a small amount of blood is drawn from a tube inserted into a large vein in your chest, neck, or groin. This method is often used for accurate testing when frequent or large-volume samples are needed. It's usually painless, as the tube is already in place.

45 services17 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.

32 services28 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.

31 services14 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91942 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

$184.71 typical visit price

range $62.10 – $184.71

Typical copayment $46.17 (range $15.52 – $46.17)

Most-billed visit code 99205

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.

100/100

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

Scored as part of a group practice

Quality

100

Improvement Activities

Leave this field empty

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.

ALHELI BAILY

Registered Nurse

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

MISS APRIL JULIA CROMIE PMHNP-BC, APRN, MSN

Nurse Practitioner (Psychiatric/Mental Health)

5555 GROSSMONT CENTER DR, 5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (858) 296-6182

TEAGAN SHEA COLEMAN

Registered Nurse (Emergency)

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

BRENDAN J LEE DO

Emergency Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 644-4401

PAUL Y ABOU MD

Internal Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 465-0711

MRS. AMY ELIZABETH VU P.A.-C

Physician Assistant

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

CHRISTA ANN LANDOWSKA AREFIEVA MD

Emergency Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

TYLER QUOC NGUYEN

Pharmacist

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kai Zu's NPI number?

The NPI number for Kai Zu is 1164583639. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Kai Zu located?

Kai Zu practices at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (619) 644-3030.

What is Kai Zu's specialty?

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

Is Kai Zu enrolled in Medicare?

Yes. Kai Zu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Kai Zu was last updated on August 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.