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YING TING LAU
NPI 1558780544
Internal Medicine in Downey, CA

Active since April 08, 2014PECOS EnrolledAccepts Medicare Assignment
9333 IMPERIAL HWY, DOWNEY, CA 90242(562) 657-9000 Get Directions Write a Review

NPPES record last updated: December 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 13, 2025, Nov 22, 2021, Feb 9, 2021 and 1 more (4 updates tracked since 2018).

About Ying Ting Lau NPPES

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

YING TING LAU (NPI 1558780544) is an individual internal medicine provider in Downey, California, licensed in California (A144786) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1558780544
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameYING TING LAU
Location Address9333 IMPERIAL HWYDowney, CA 90242-2812
Mailing AddressPo Box 3872Alhambra, CA 91803-0872
Phone(562) 657-9000
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 8, 2014
Last NPPES UpdateDecember 13, 20254 updates tracked since enumeration
NPPES CertifiedDecember 13, 2025
✔ NPI 1558780544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A144786
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9333 IMPERIAL HWY, Downey, CA 90242
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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

Ying Ting Lau 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 ID7911270715
PECOS Enrollment IDI20170830000142
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

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.

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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90242 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$14.17 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$67.48 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.

BRANDON LUI
Internal Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-9000
MICHAEL LUHM
Pharmacist
9333 IMPERIAL HWY, 1ST FLOOR OUTPATIENT PHARMACY
DOWNEY, CA 90242
Los Angeles County (562) 657-9421
ALAN H. QUIROZ
Respiratory Therapist, Registered (Neonatal/Pediatrics)
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-3389
DR. KIRAN PANDEY MD
Internal Medicine (Cardiovascular Disease)
9333 IMPERIAL HWY, DOWNEY
DOWNEY, CA 90242
Los Angeles County (877) 608-0044
DR. JOSEPH DANIEL GRUBIC
Emergency Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-7130
GRACE YAMASAKI PHARM.D.
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-9422
LINDA CHAO
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (833) 574-2273
DR. MARSHA ARABA MARTINSON M.D.
Obstetrics & Gynecology
9333 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-4043

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 Ying Ting Lau's NPI number?

The NPI number for Ying Ting Lau is 1558780544. It was assigned to this individual provider in the NPPES registry on April 8, 2014.

Where is Ying Ting Lau located?

Ying Ting Lau practices at 9333 Imperial Hwy, Downey, CA 90242. The listed phone number is (562) 657-9000.

What is Ying Ting Lau's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ying Ting Lau enrolled in Medicare?

Yes. Ying Ting Lau 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 Ying Ting Lau was last updated on December 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.