RICHARD SAAVEDRA TAN
NPI 1548936602
Nurse Practitioner - Gerontology in Alhambra, CA
About Richard Saavedra Tan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD SAAVEDRA TAN (NPI 1548936602) is an individual gerontology provider in Alhambra, California, licensed in California (95018113) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Claremont, and is a graduate of California University Of Science And Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Richard Saavedra Tan 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 Richard Tan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- 12 clinicians in this Medicare group
Claremont, CA 91711
- Reassigned Medicare billing, California enrollment
- 2 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 5
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 91803 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALHAMBRA, CA 91803
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 Richard Tan's NPI number?
The NPI number for Richard Tan is 1548936602. It was assigned to this individual provider in the NPPES registry on August 19, 2021.
Where is Richard Tan located?
Richard Tan practices at 2835 W Valley Blvd, Alhambra, CA 91803. The listed phone number is (626) 281-3265.
What is Richard Tan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Richard Tan enrolled in Medicare?
Yes. Richard 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 Richard Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Tan reassigns Medicare benefits to 2 organizations: Ngo Phan MD Inc (Alhambra, CA) and Brittany Wertz, Do Inc (Claremont, 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 Richard Tan'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 Richard Tan was last updated on March 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Richard Saavedra Tan · NPI 1548936602
Gerontology physician in Alhambra, California. Individual provider, active in the CMS NPPES registry since August 19, 2021.
## Identity
- **NPI:** 1548936602 (Entity type: Individual)
- **Enumerated:** August 19, 2021
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 95018113 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2835 W VALLEY BLVD, Alhambra, CA 91803-1818
- **Phone:** (626) 281-3265
## 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): Ngo Phan MD Inc (NPI 1952663114, Alhambra, CA); Brittany Wertz, Do Inc (NPI 1447912241, Claremont, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** California University Of Science And Medicine, class of 2021
## Record status
- **NPPES last updated:** March 5, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1548936602) · Data from the CMS NPPES public registry.