1. Home
  2. Directory
  3. California
  4. West Covina
  5. Internal Medicine
  6. NPI Profile

DR. LYDIA DZ-YUN CHOW M.D.
NPI 1770087314
Internal Medicine - Hematology & Oncology in West Covina, CA

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment
1250 S SUNSET AVE, WEST COVINA, CA 91790(626) 856-5858(626) 856-5853 Get Directions Write a Review

NPPES record last updated: June 19, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 19, 2024, Apr 30, 2024, Dec 9, 2021 and 3 more (6 updates tracked since 2018).

About Dr. Lydia Dz-yun Chow M.d. NPPES

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

DR. LYDIA DZ-YUN CHOW M.D. (NPI 1770087314) is an individual hematology & oncology provider in West Covina, California, licensed in California (A165133) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (2018).

NPPES Registry Identity

NPI1770087314
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. LYDIA DZ-YUN CHOWCredential: M.D.
Location Address1250 S SUNSET AVEWest Covina, CA 91790-3961
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Phone(626) 856-5858
Fax(626) 856-5853
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2018
Enumeration DateMarch 20, 2018
Last NPPES UpdateJune 19, 20246 updates tracked since enumeration
NPPES CertifiedJune 19, 2024
✔ NPI 1770087314 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 · A165133
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.
1250 S SUNSET AVE, West Covina, CA 91790
Open in Google Maps ↗

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. Lydia Dz-yun Chow 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 ID1052734324
PECOS Enrollment IDI20240703004139
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 8

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, 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.
1,920 services15 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.
79 services37 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.
49 services19 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.
37 services23 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.
35 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.
32 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91790 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.

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.

MARIA SUSAN BUHAY-MAGLUNOG MD INC
Internal Medicine (Rheumatology)
1250 S SUNSET AVE, SUITE 201
WEST COVINA, CA 91790
Los Angeles County (626) 962-3254
BRIAN K MACHIDA MD A MEDICAL CORP
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
1250 S SUNSET AVE, #206
WEST COVINA, CA 91790
Los Angeles County (626) 338-4453
HARMON PHYSICAL THERAPY, INC.
Clinic/Center (Physical Therapy)
1250 S SUNSET AVE, #204
WEST COVINA, CA 91790
Los Angeles County (626) 960-2853
DR. KENNETH TYE M.D.
Internal Medicine (Cardiovascular Disease)
1250 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (626) 960-6588
MR. BUFORD K HARMON P.T.
Physical Therapist
1250 S SUNSET AVE, SUITE 204
WEST COVINA, CA 91790
Los Angeles County (626) 960-2853
ALEXANDER A MAGLUNOG MD INC
Surgery
1250 S SUNSET AVE, SUITE 201
WEST COVINA, CA 91790
Los Angeles County (626) 962-3254
DR. JONATHAN TYE M.D.
Internal Medicine (Cardiovascular Disease)
1250 S SUNSET AVE, STE 202
WEST COVINA, CA 91790
Los Angeles County (626) 960-6588
CALIFORNIA CANCER MEDICAL CENTER INC
Specialist
1250 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (626) 856-5858

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 Lydia Chow's NPI number?

The NPI number for Lydia Chow is 1770087314. It was assigned to this individual provider in the NPPES registry on March 20, 2018.

Where is Lydia Chow located?

Lydia Chow practices at 1250 S Sunset Ave, West Covina, CA 91790. The listed phone number is (626) 856-5858.

What is Lydia Chow's specialty?

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

Is Lydia Chow enrolled in Medicare?

Yes. Lydia Chow 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 Lydia Chow was last updated on June 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.