DR. ANDREW TAYLOR YEN DO
NPI 1578097275
Family Medicine in Alhambra, CA
About Dr. Andrew Taylor Yen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW TAYLOR YEN DO (NPI 1578097275) is an individual family medicine provider in Alhambra, California, licensed in California (20A16640) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of College Of Osteo Med Of The Pacific At Pomona (2017).
NPPES Registry Identity
Specialties & Licenses 2
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. Andrew Taylor Yen Do 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 Andrew Yen 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 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Palo Cedro, CA 96073
- Reassigned Medicare billing, California enrollment
- 18 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 6
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 91801 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
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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALHAMBRA, CA 91801
ALHAMBRA, CA 91801
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 Andrew Yen's NPI number?
The NPI number for Andrew Yen is 1578097275. It was assigned to this individual provider in the NPPES registry on April 19, 2017.
Where is Andrew Yen located?
Andrew Yen practices at 55 S Raymond Ave Ste 200, Alhambra, CA 91801. The listed phone number is (626) 570-8005.
What is Andrew Yen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Andrew Yen enrolled in Medicare?
Yes. Andrew Yen 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 Andrew Yen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Yen reassigns Medicare benefits to 2 organizations: Healthcare Partners Affiliates Medical Group (Los Angeles, CA) and Gateway Medical Services, Inc. (Palo Cedro, 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 Andrew Yen'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 Andrew Yen was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Andrew Taylor Yen, DO · NPI 1578097275
Family Medicine physician in Alhambra, California. Individual provider, active in the CMS NPPES registry since April 19, 2017.
## Identity
- **NPI:** 1578097275 (Entity type: Individual)
- **Enumerated:** April 19, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A16640 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 S RAYMOND AVE STE 200, Alhambra, CA 91801-7103
- **Phone:** (626) 570-8005
## 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): Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA); Gateway Medical Services, Inc. (NPI 1770993370, Palo Cedro, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** College Of Osteo Med Of The Pacific At Pomona, class of 2017
## Record status
- **NPPES last updated:** March 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1578097275) · Data from the CMS NPPES public registry.