ZALDY S TAN M.D.
NPI 1174585376
Internal Medicine - Geriatric Medicine in Los Angeles, CA
About Zaldy S Tan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZALDY S TAN M.D. (NPI 1174585376) is an individual geriatric medicine provider in Los Angeles, California, licensed in California (A69001) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Roxbury Crossing, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Zaldy S Tan 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
2Medicare enrollment records show Zaldy Tan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 1,001 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 4
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 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
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 Zaldy Tan's NPI number?
The NPI number for Zaldy Tan is 1174585376. It was assigned to this individual provider in the NPPES registry on April 4, 2006.
Where is Zaldy Tan located?
Zaldy Tan practices at 127 S San Vicente Blvd # A6600, Los Angeles, CA 90048. The listed phone number is (310) 423-6472.
What is Zaldy Tan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Zaldy Tan enrolled in Medicare?
Yes. Zaldy Tan 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 Zaldy Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zaldy Tan reassigns Medicare benefits to 2 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA) and Cedars-Sinai Medical Center (Los Angeles, CA). 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 Zaldy Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zaldy Tan accept?
Health plans from Taro Health list Zaldy Tan 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 Zaldy Tan was last updated on August 24, 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.
# Zaldy S Tan, M.D. · NPI 1174585376
Geriatric Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 4, 2006.
## Identity
- **NPI:** 1174585376 (Entity type: Individual)
- **Enumerated:** April 4, 2006
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** A69001 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 127 S SAN VICENTE BLVD # A6600, Los Angeles, CA 90048-3311
- **Phone:** (310) 423-6472 · **Fax:** (310) 423-0148
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Cedars-Sinai Medical Center (NPI 1639172372, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** August 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1174585376) · Data from the CMS NPPES public registry.