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DR. KEVIN CHEN M.D.
NPI 1235300658
Internal Medicine in Oakland, CA

Active since March 13, 2008PECOS EnrolledAccepts Medicare Assignment
424 28TH ST, OAKLAND, CA 94609(510) 452-4824 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Kevin Chen M.d. NPPES

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

DR. KEVIN CHEN M.D. (NPI 1235300658) is an individual internal medicine provider in Oakland, California, licensed in Illinois (036119665) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1235300658
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. KEVIN CHENCredential: M.D.
Location Address424 28TH STOakland, CA 94609-3603
Mailing Address9037 N Washington Dr Apt 2hDes Plaines, IL 60016-7067 · (847) 391-0073
Phone(510) 452-4824
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMarch 13, 2008
Last NPPES UpdateDecember 15, 2021
✔ NPI 1235300658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036119665
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.
424 28TH ST, Oakland, CA 94609
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kevin Chen 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 ID4587720073
PECOS Enrollment IDI20090309000226
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 Kevin Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
9.8 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

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 94609 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 4

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

OAKLAND MEDICAL GROUP, INC.
Internal Medicine
424 28TH ST
OAKLAND, CA 94609
Alameda County (510) 452-4824
DR. HIROSHI TERASHIMA M.D.
Internal Medicine
424 28TH ST
OAKLAND, CA 94609
Alameda County (510) 452-4824
DR. SCOTT R PEERENBOOM D.O.
Internal Medicine
424 28TH ST
OAKLAND, CA 94609
Alameda County (510) 452-4824
DR. ANTHONY S. RAVNIK M.D.
Internal Medicine
424 28TH ST
OAKLAND, CA 94609
Alameda County (510) 452-4824

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 Kevin Chen's NPI number?

The NPI number for Kevin Chen is 1235300658. It was assigned to this individual provider in the NPPES registry on March 13, 2008.

Where is Kevin Chen located?

Kevin Chen practices at 424 28th St, Oakland, CA 94609. The listed phone number is (510) 452-4824.

What is Kevin Chen's specialty?

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

Is Kevin Chen enrolled in Medicare?

Yes. Kevin Chen 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.

Which organization bills Medicare for Kevin Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Chen reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Kevin 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 Kevin Chen was last updated on December 15, 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.