DR. PING SHI QUACH MD
NPI 1902426224
Radiology - Diagnostic Radiology in Stanford, CA
About Dr. Ping Shi Quach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PING SHI QUACH MD (NPI 1902426224) is an individual diagnostic radiology provider in Stanford, California, licensed in Maine (MD28951) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Saint Anthony Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Dr. Ping Shi Quach Md 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
18Medicare enrollment records show Ping Quach reassigns Medicare billing to 18 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 67 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 241 clinicians in this Medicare group
Las Vegas, NV 89148
- Reassigned Medicare billing, Nevada enrollment
- 22 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Portland, OR 97227
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Scottsdale, AZ 85251
- Reassigned Medicare billing, California enrollment
- 29 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Chicago, IL 60623
- Reassigned Medicare billing, Illinois enrollment
- 210 clinicians in this Medicare group
Chicago, IL 60611
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
Danville, IN 46122
- Reassigned Medicare billing, California enrollment
- 8 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Anthony Hospital
Acute Care Hospitals · Chicago, ILLutheran Hospital Of Indiana
Acute Care Hospitals · Fort Wayne, INMaine Medical Center
Acute Care Hospitals · Portland, MESouthern Hills Hospital And Medical Center
Acute Care Hospitals · Las Vegas, NVPhysician 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 13
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
STANFORD, CA 94305
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 Ping Quach's NPI number?
The NPI number for Ping Quach is 1902426224. It was assigned to this individual provider in the NPPES registry on April 17, 2020.
Where is Ping Quach located?
Ping Quach practices at 300 Pasteur Dr Rm H3591, Stanford, CA 94305. The listed phone number is (650) 725-2181.
What is Ping Quach's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ping Quach enrolled in Medicare?
Yes. Ping Quach 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 Ping Quach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ping Quach reassigns Medicare benefits to 18 organizations: Health Diagnostics Of California A Professional Corporation (Mountain View, CA), Darin Rentz Do PC (Redlands, CA), Renew Radiology Services PC (Las Vegas, NV), Pacific Imaging Associates LLC (Portland, OR), Ts Radiology Billings, LLC (Portland, OR) and 13 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 Ping Quach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ping Quach accept?
Health plans from CareSource, Priority Health and Taro Health list Ping Quach 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.
Is Ping Quach affiliated with any hospitals?
According to CMS data, Ping Quach is affiliated with Saint Anthony Hospital, Lutheran Hospital Of Indiana, Maine Medical Center and Southern Hills Hospital And Medical Center.
When was this NPI record last updated?
The NPPES record for Ping Quach was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Ping Shi Quach, MD · NPI 1902426224
Diagnostic Radiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since April 17, 2020.
## Identity
- **NPI:** 1902426224 (Entity type: Individual)
- **Enumerated:** April 17, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD28951 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR RM H3591, Stanford, CA 94305-2200
- **Phone:** (650) 725-2181
## 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:** 18 organizations under Medicare reassignment (form CMS-855R): Health Diagnostics Of California A Professional Corporation (NPI 1104321959, Mountain View, CA); Darin Rentz Do PC (NPI 1689321747, Redlands, CA); Renew Radiology Services PC (NPI 1831085315, Las Vegas, NV); Pacific Imaging Associates LLC (NPI 1265137574, Portland, OR); Ts Radiology Billings, LLC (NPI 1669413514, Portland, OR); and 13 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1902426224) · Data from the CMS NPPES public registry.