DR. ANDREW YIN
NPI 1447836085
Hospitalist in San Diego, CA
About Dr. Andrew Yin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW YIN (NPI 1447836085) is an individual hospitalist provider in San Diego, California, licensed in Maryland (D0100389) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
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 Yin 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 Yin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Physicians PA
- 614 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 3
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 92123 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.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 Yin's NPI number?
The NPI number for Andrew Yin is 1447836085. It was assigned to this individual provider in the NPPES registry on March 23, 2021.
Where is Andrew Yin located?
Andrew Yin practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. The listed phone number is (858) 266-5000.
What is Andrew Yin's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Andrew Yin enrolled in Medicare?
Yes. Andrew Yin 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 Yin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Yin reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and University Of Maryland Physicians P.A. (Baltimore, MD). 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 Yin'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 Yin was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 Yin · NPI 1447836085
Hospitalist physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 23, 2021.
## Identity
- **NPI:** 1447836085 (Entity type: Individual)
- **Enumerated:** March 23, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** D0100389 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9455 CLAIREMONT MESA BLVD, San Diego, CA 92123-1297
- **Phone:** (858) 266-5000
## 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): Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA); University Of Maryland Physicians P.A. (NPI 1699725408, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** April 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1447836085) · Data from the CMS NPPES public registry.