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MICHAEL L. CHUN MD
NPI 1730267428
Internal Medicine in Roseville, CA

Active since November 01, 2006PECOS Enrolled
1600 EUREKA RD, ROSEVILLE, CA 95661(916) 784-4000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael L. Chun Md NPPES

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

MICHAEL L. CHUN MD (NPI 1730267428) is an individual internal medicine provider in Roseville, California, licensed in California (G68978) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730267428
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL L. CHUNCredential: MD
Location Address1600 EUREKA RDRoseville, CA 95661-3027
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(916) 784-4000
Sole ProprietorNo
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 13, 2021
✔ NPI 1730267428 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 · G68978
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.
1600 EUREKA RD, Roseville, CA 95661
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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 (PECOS)

Michael L. Chun 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 Michael Chun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
50 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

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 95661 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

DR. VESNA IVANCIC COCHELL MD
Urology
1600 EUREKA RD
ROSEVILLE, CA 95661
Placer County (916) 784-4000
LYNN TUYET NGUYEN PHARM.D
Pharmacist
1600 EUREKA RD
ROSEVILLE, CA 95661
Placer County (916) 784-4000
MR. BRYCE PHILLIP CARTWRIGHT PHYSICAL THERAPIST
Physical Therapist
1600 EUREKA RD
ROSEVILLE, CA 95661
Placer County (916) 784-4954
QUAN T. NGUYEN MD
Hospitalist
1600 EUREKA RD
ROSEVILLE, CA 95661
Placer County (916) 784-4000
JAMES H. HEYKES MD
Internal Medicine
1600 EUREKA RD
ROSEVILLE, CA 95661
Placer County (916) 784-4000
MS. LINDA ROSE BROWN NP
Nurse Practitioner (Women's Health)
1600 EUREKA RD, WOMEN'S HEALTH , PERMANENTE MEDICAL GROUP
ROSEVILLE, CA 95661
Placer County (916) 784-5003
SCOTT W. ADAMS MD
Pediatrics (Pediatric Hematology-Oncology)
1600 EUREKA RD
ROSEVILLE, CA 95661
Placer County (916) 784-4000
CAROL LYNN SCHULZ PHARM.D.
Pharmacist
1600 EUREKA RD
ROSEVILLE, CA 95661
Placer County (916) 784-4184

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 Michael Chun's NPI number?

The NPI number for Michael Chun is 1730267428. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Michael Chun located?

Michael Chun practices at 1600 Eureka Rd, Roseville, CA 95661. The listed phone number is (916) 784-4000.

What is Michael Chun's specialty?

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

Is Michael Chun enrolled in Medicare?

Yes. Michael Chun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Chun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Chun reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Michael Chun'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 Michael Chun was last updated on December 13, 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.