LEANNE MAYUMI KON M.D.
NPI 1275637290
Obstetrics & Gynecology - Gynecology in Long Beach, CA
About Leanne Mayumi Kon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEANNE MAYUMI KON M.D. (NPI 1275637290) is an individual gynecology provider in Long Beach, California, licensed in California (A90701) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Leanne Mayumi Kon 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.
Medicare Billing Reassignment
Medicare enrollment records show Leanne Kon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Harbor City, CA 90710
- Reassigned Medicare billing, California enrollment
- 13,921 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 90806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Leanne Kon's NPI number?
The NPI number for Leanne Kon is 1275637290. It was assigned to this individual provider in the NPPES registry on September 11, 2006.
Where is Leanne Kon located?
Leanne Kon practices at 701 E 28th St, Long Beach, CA 90806. The listed phone number is (562) 426-5630.
What is Leanne Kon's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
Is Leanne Kon enrolled in Medicare?
Yes. Leanne Kon 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 Leanne Kon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leanne Kon reassigns Medicare benefits to Southern California Permanente Medical Group (Harbor City, 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 Leanne Kon'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 Leanne Kon was last updated on December 8, 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.
# Leanne Mayumi Kon, M.D. · NPI 1275637290
Gynecology physician in Long Beach, California. Individual provider, active in the CMS NPPES registry since September 11, 2006.
## Identity
- **NPI:** 1275637290 (Entity type: Individual)
- **Enumerated:** September 11, 2006
- **Primary specialty:** Obstetrics & Gynecology - Gynecology · taxonomy 207VG0400X
- **State license:** A90701 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 E 28TH ST, Long Beach, CA 90806-2759
- **Phone:** (562) 426-5630 · **Fax:** (562) 492-9893
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1598797011, Harbor City, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Hawaii John A. Burns School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** December 8, 2021
- **Other identifiers:** Medicaid ZZZ823342 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1275637290) · Data from the CMS NPPES public registry.