ALIZA GAIL TAN
NPI 1801598578
Family Medicine in North Hollywood, CA
About Aliza Gail Tan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALIZA GAIL TAN (NPI 1801598578) is an individual family medicine provider in North Hollywood, California, licensed in California (20A24949) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Lee's Summit Medical Center, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Aliza Gail Tan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Aliza Tan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
North Hollywood, CA 91605
- Reassigned Medicare billing, California enrollment
- 52 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lee's Summit Medical Center
Acute Care Hospitals · Lees Summit, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91605 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.
NORTH HOLLYWOOD, CA 91605
NORTH HOLLYWOOD, CA 91605
NORTH HOLLYWOOD, CA 91605
NORTH HOLLYWOOD, CA 91605
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 Aliza Tan's NPI number?
The NPI number for Aliza Tan is 1801598578. It was assigned to this individual provider in the NPPES registry on March 20, 2023.
Where is Aliza Tan located?
Aliza Tan practices at 6801 Coldwater Canyon Ave, North Hollywood, CA 91605. The listed phone number is (818) 763-8836.
What is Aliza Tan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Aliza Tan enrolled in Medicare?
Yes. Aliza Tan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Aliza Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aliza Tan reassigns Medicare benefits to Valley Community Healthcare (North Hollywood, 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 Aliza Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aliza Tan affiliated with any hospitals?
According to CMS data, Aliza Tan is affiliated with Lee's Summit Medical Center.
When was this NPI record last updated?
The NPPES record for Aliza Tan was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Aliza Gail Tan · NPI 1801598578
Family Medicine physician in North Hollywood, California. Individual provider, active in the CMS NPPES registry since March 20, 2023.
## Identity
- **NPI:** 1801598578 (Entity type: Individual)
- **Enumerated:** March 20, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A24949 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 6801 COLDWATER CANYON AVE, North Hollywood, CA 91605-5162
- **Phone:** (818) 763-8836
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Valley Community Healthcare (NPI 1588740989, North Hollywood, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** June 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801598578) · Data from the CMS NPPES public registry.