DR. DAVID HAO CHEN MD
NPI 1295315489
Internal Medicine in Downey, CA

Active since April 12, 2021PECOS Enrolled
10441 LAKEWOOD BLVD STE AB, DOWNEY, CA 90241(562) 869-1070(504) 276-3697 Get Directions Write a Review

NPPES record last updated: November 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 15, 2025, Mar 27, 2025, Jul 11, 2024 and 1 more (4 updates tracked since 2021).

About Dr. David Hao Chen Md NPPES

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

DR. DAVID HAO CHEN MD (NPI 1295315489) is an individual internal medicine provider in Downey, California, licensed in California (A195013) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Long Beach.

NPPES Registry Identity

NPI1295315489
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DAVID HAO CHENCredential: MD
Location Address10441 LAKEWOOD BLVD STE ABDowney, CA 90241-2870
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Fax(504) 276-3697
Sole ProprietorYes
Enumeration DateApril 12, 2021
Last NPPES UpdateNovember 15, 20254 updates tracked since enumeration
NPPES CertifiedNovember 15, 2025
✔ NPI 1295315489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A195013
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.
10441 LAKEWOOD BLVD STE AB, Downey, CA 90241

Secondary Practice Location 1

Location 11050 Linden AveLong Beach, CA 90813-3321 · Phone (562) 491-9000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David Hao Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 David Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90241 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.

Other Providers at the Same Location NPPES 19

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

Internal Medicine
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241
Internal Medicine
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241
Internal Medicine
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241
Hospitalist
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241
Otolaryngology
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241
Nurse Practitioner (Acute Care)
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241
Nurse Practitioner
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241
Internal Medicine
10441 LAKEWOOD BLVD STE AB
DOWNEY, CA 90241

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 David Chen's NPI number?

The NPI number for David Chen is 1295315489. It was assigned to this individual provider in the NPPES registry on April 12, 2021.

Where is David Chen located?

David Chen practices at 10441 Lakewood Blvd Ste Ab, Downey, CA 90241. The listed phone number is (562) 869-1070.

What is David Chen's specialty?

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

Is David Chen enrolled in Medicare?

Yes. David Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Chen reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Chen was last updated on November 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.