DR. MIMI SHISHOU LEE M.D.
NPI 1164684973
Psychiatry & Neurology - Neurology in Ventura, CA
About Dr. Mimi Shishou Lee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MIMI SHISHOU LEE M.D. (NPI 1164684973) is an individual neurology provider in Ventura, California, licensed in California (A130577) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Other Identifiers 1
Accepted Insurance
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. Mimi Shishou Lee 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 Reassignments
23Medicare enrollment records show Mimi Lee reassigns Medicare billing to 23 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ventura, CA 93003
- Reassigned Medicare billing, California enrollment
- 710 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California, Washington and Indiana enrollments
- Also billed through NPI 1669223830 (Washington), NPI 1033046610 (Indiana)
- 117 clinicians in this Medicare group
Santa Monica, CA 90404
- Reassigned Medicare billing, California enrollment
- 461 clinicians in this Medicare group
Torrance, CA 90503
- Reassigned Medicare billing, California enrollment
- 266 clinicians in this Medicare group
Los Angeles, CA 90013
- Reassigned Medicare billing, California enrollment
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Huntington Beach, CA 92648
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 187 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
VENTURA, CA 93003
VENTURA, CA 93003
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 Mimi Lee's NPI number?
The NPI number for Mimi Lee is 1164684973. It was assigned to this individual provider in the NPPES registry on July 2, 2008.
Where is Mimi Lee located?
Mimi Lee practices at 300 Hillmont Ave, Ventura, CA 93003. The listed phone number is (805) 652-6000.
What is Mimi Lee's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Mimi Lee enrolled in Medicare?
Yes. Mimi Lee 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 organizations bill Medicare for Mimi Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mimi Lee reassigns Medicare benefits to 23 organizations: County Of Ventura (Ventura, CA), Cep America - Neurology PC (Santa Barbara, CA), Providence Saint Johns Medical Foundation (Santa Monica, CA), Providence Medical Institute (Torrance, CA), Mimi Lee Medical Group Inc (Los Angeles, CA) and 18 more organizations, listed in the Medicare section above. Each 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 Mimi Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mimi Lee accept?
Health plans from Blue Cross and Blue Shield of Montana, BlueCross BlueShield of Tennessee, Cigna Healthcare, Moda Health Plan, Inc. and Oscar Insurance Company and 1 other insurer list Mimi Lee as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mimi Lee was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Mimi Shishou Lee, M.D. · NPI 1164684973
Neurology physician in Ventura, California. Individual provider, active in the CMS NPPES registry since July 2, 2008.
## Identity
- **NPI:** 1164684973 (Entity type: Individual)
- **Enumerated:** July 2, 2008
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** A130577 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 HILLMONT AVE, Ventura, CA 93003-1651
- **Phone:** (805) 652-6000
## 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:** 23 organizations under Medicare reassignment (form CMS-855R): County Of Ventura (NPI 1619118569, Ventura, CA); Cep America - Neurology PC (NPI 1225569346, Santa Barbara, CA); Providence Saint Johns Medical Foundation (NPI 1770093734, Santa Monica, CA); Providence Medical Institute (NPI 1235182569, Torrance, CA); Mimi Lee Medical Group Inc (NPI 1962256974, Los Angeles, CA); and 18 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** December 15, 2025
- **Other identifiers:** Other 1164684973 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1164684973) · Data from the CMS NPPES public registry.