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DR. KAREN LIN-YEE LEUNG MD
NPI 1346206463
Obstetrics & Gynecology in Santa Rosa, CA

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment
4655 HOEN AVE, SUITE 8, SANTA ROSA, CA 95405(707) 545-8881(707) 545-8585 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Karen Lin-yee Leung Md NPPES

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

DR. KAREN LIN-YEE LEUNG MD (NPI 1346206463) is an individual obstetrics & gynecology provider in Santa Rosa, California, licensed in California (A74370) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (1993).

NPPES Registry Identity

NPI1346206463
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KAREN LIN-YEE LEUNGCredential: MD
Location Address4655 HOEN AVE, SUITE 8Santa Rosa, CA 95405-7800
Mailing Address4655 Hoen Ave, Suite 8Santa Rosa, CA 95405-7800 · (707) 545-8881 · Fax (707) 545-8585
Phone(707) 545-8881
Fax(707) 545-8585
Sole ProprietorYes
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1993
Enumeration DateApril 26, 2006
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1346206463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A74370
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4655 HOEN AVE, Santa Rosa, CA 95405
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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. Karen Lin-yee Leung Md 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 ID1557367521
PECOS Enrollment IDI20061013000573
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 Karen Leung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
31 mi
Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1336222397 (707) 651-1000

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 95405 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
$142.00 typical visit price
range $63.04 – $187.01
Typical copayment $35.50 (range $15.76 – $46.75)
Most-billed visit code 99204
Established Patient
$77.94 typical visit price
range $21.02 – $153.40
Typical copayment $19.48 (range $5.25 – $38.35)
Most-billed visit code 99213
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 8

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

VICTOR J. COSTANZA
Dentist
4655 HOEN AVE
SANTA ROSA, CA 95405
Sonoma County (707) 545-7575
DR. JAMES JOSEPH FORNI D.D.S.
Dentist (General Practice)
4655 HOEN AVE
SANTA ROSA, CA 95405
Sonoma County (707) 544-2696
DR. JAMES ALLEN ABBOTT D.D.S., M.S.
Dentist (Endodontics)
4655 HOEN AVE, SUITE 2
SANTA ROSA, CA 95405
Sonoma County (707) 523-3636
DR. STEPHEN CYRIL DESALVO D.D.S.
Dentist (General Practice)
4655 HOEN AVE, SUITE #7
SANTA ROSA, CA 95405
Sonoma County (707) 573-9747
DR. DANIEL T SULLIVAN DDS
Dentist
4655 HOEN AVE, SUITE #6
SANTA ROSA, CA 95405
Sonoma County (707) 545-5260
MCCULLY ATLAS SPINAL CARE CHIROPRACTIC, P.C.
Chiropractor
4655 HOEN AVE, SUITE 8
SANTA ROSA, CA 95405
Sonoma County (707) 568-6900
DR. JOHN HAROLD TOLIN DDS
Dentist (Oral and Maxillofacial Pathology)
4655 HOEN AVE, #8
SANTA ROSA, CA 95405
Sonoma County (707) 525-9680
KAREN L LEUNG WOMEN'S WELLNESS AND GYN SURGERY CENTER
Obstetrics & Gynecology (Gynecology)
4655 HOEN AVE, SUITE 8
SANTA ROSA, CA 95405
Sonoma County (707) 545-8881

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 Karen Leung's NPI number?

The NPI number for Karen Leung is 1346206463. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Karen Leung located?

Karen Leung practices at 4655 Hoen Ave Suite 8, Santa Rosa, CA 95405. The listed phone number is (707) 545-8881.

What is Karen Leung's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Karen Leung enrolled in Medicare?

Yes. Karen Leung 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 Karen Leung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Leung reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, 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 Karen Leung'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 Karen Leung was last updated on February 11, 2022. 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.