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MARK WEI WENG D.O.
NPI 1477578425
Family Medicine in West Covina, CA

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
1249 S SUNSET AVE, WEST COVINA, CA 91790(626) 813-2282(626) 813-2110 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Wei Weng D.o. NPPES

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

MARK WEI WENG D.O. (NPI 1477578425) is an individual family medicine provider in West Covina, California, licensed in California (20A8940) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1477578425
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMARK WEI WENGCredential: D.O.
Location Address1249 S SUNSET AVEWest Covina, CA 91790-3960
Mailing Address1249 S Sunset AveWest Covina, CA 91790-3960 · (626) 813-2282 · Fax (626) 813-2110
Phone(626) 813-2282
Fax(626) 813-2110
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJuly 12, 2006
Last NPPES UpdateDecember 3, 2021
✔ NPI 1477578425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A8940
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 20A8940 (CA)
1249 S SUNSET AVE, West Covina, CA 91790
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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

Mark Wei Weng D.o. 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 ID9335184225
PECOS Enrollment IDI20050621001338
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.

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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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 10

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

KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (866) 319-4269
RAFAEL NUNEZ GUTIERREZ MD
Family Medicine
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (180) 078-0127
MELISSA LEW DO
Family Medicine
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (626) 813-2249
DR. JASON NGHIA DUONG M.D., D.C.
Family Medicine
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (626) 813-2242
JENNIFER WINGYIN LI
Pharmacist
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (626) 813-2190
MITCHELL DUCETT DO
Family Medicine
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (833) 574-2273
NAYELY ODETTE CRUZ NP
Nurse Practitioner (Family)
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (866) 319-4269
LILY HUANG PHARMD
Pharmacist
1249 S SUNSET AVE
WEST COVINA, CA 91790
Los Angeles County (626) 813-2190

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 Mark Weng's NPI number?

The NPI number for Mark Weng is 1477578425. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Mark Weng located?

Mark Weng practices at 1249 S Sunset Ave, West Covina, CA 91790. The listed phone number is (626) 813-2282.

What is Mark Weng's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mark Weng enrolled in Medicare?

Yes. Mark Weng 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 Mark Weng was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.