ANDREW JOHN CHIN DO
NPI 1740635721
Internal Medicine in Stanford, CA
About Andrew John Chin Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW JOHN CHIN DO (NPI 1740635721) is an individual internal medicine provider in Stanford, California, licensed in California (20A24664) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Phoenix, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2016).
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
Andrew John Chin 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
7Medicare enrollment records show Andrew Chin reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Phoenix, AZ 85085
- Reassigned Medicare billing, Arizona enrollment
- 99 clinicians in this Medicare group
Phoenix, AZ 85021
- Reassigned Medicare billing, Arizona enrollment
- 190 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Tempe, AZ 85288
- Reassigned Medicare billing, Arizona enrollment
- 240 clinicians in this Medicare group
Tempe, AZ 85288
- Reassigned Medicare billing, Arizona enrollment
- 367 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 7
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 94305 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Chin's NPI number?
The NPI number for Andrew Chin is 1740635721. It was assigned to this individual provider in the NPPES registry on April 27, 2016.
Where is Andrew Chin located?
Andrew Chin practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Andrew Chin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrew Chin enrolled in Medicare?
Yes. Andrew Chin 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 Chin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Chin reassigns Medicare benefits to 7 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Vituity - Arizona Hospitalists PC (Phoenix, AZ), Greater Phoenix Collaborative Care PC (Phoenix, AZ), Banner-University Medical Group (Phoenix, AZ) and 2 more organizations, listed in the Medicare section above. 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 Chin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Chin accept?
Health plans from Blue Cross Blue Shield of Arizona list Andrew Chin 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 Andrew Chin was last updated on February 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Andrew John Chin, DO · NPI 1740635721
Internal Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since April 27, 2016.
## Identity
- **NPI:** 1740635721 (Entity type: Individual)
- **Enumerated:** April 27, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A24664 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Vituity - Arizona Hospitalists PC (NPI 1770109704, Phoenix, AZ); Greater Phoenix Collaborative Care PC (NPI 1750686614, Phoenix, AZ); Banner-University Medical Group (NPI 1508809427, Phoenix, AZ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2016
## Record status
- **NPPES last updated:** February 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740635721) · Data from the CMS NPPES public registry.