HARRISON SHONG-WEN CHOW MD
NPI 1497781934
Anesthesiology in Stanford, CA
About Harrison Shong-wen Chow Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARRISON SHONG-WEN CHOW MD (NPI 1497781934) is an individual anesthesiology provider in Stanford, California, licensed in California (A60123) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Stanford University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Harrison Shong-wen Chow 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
4Medicare enrollment records show Harrison Chow reassigns Medicare billing to 4 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
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 140 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.
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 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 Harrison Chow's NPI number?
The NPI number for Harrison Chow is 1497781934. It was assigned to this individual provider in the NPPES registry on June 25, 2006.
Where is Harrison Chow located?
Harrison Chow practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Harrison Chow's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Harrison Chow enrolled in Medicare?
Yes. Harrison Chow 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 Harrison Chow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harrison Chow reassigns Medicare benefits to 4 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Cep America - Anesthesia PC (Palo Alto, CA) and G2 Anesthesia PC (Los Gatos, 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 Harrison Chow'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 Harrison Chow was last updated on April 8, 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.