PETER F. KAO MD
NPI 1275611188
Allergy & Immunology in Stockton, CA
About Peter F. Kao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER F. KAO MD (NPI 1275611188) is an individual allergy & immunology provider in Stockton, California, licensed in California (A82545) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Peter F. Kao 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 Reassignment
Medicare enrollment records show Peter Kao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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.
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.
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 Peter Kao's NPI number?
The NPI number for Peter Kao is 1275611188. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Peter Kao located?
Peter Kao practices at 7373 West Ln, Stockton, CA 95210. The listed phone number is (209) 476-2000.
What is Peter Kao's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Peter Kao enrolled in Medicare?
Yes. Peter Kao 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 organization bills Medicare for Peter Kao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Kao reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Peter Kao'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 Peter Kao was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Peter F. Kao, MD · NPI 1275611188
Allergy & Immunology physician in Stockton, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1275611188 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** A82545 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7373 WEST LN, Stockton, CA 95210-3377
- **Phone:** (209) 476-2000
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 1998
## Record status
- **NPPES last updated:** December 13, 2021
- **Other identifiers:** Medicaid 00A825450 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1275611188) · Data from the CMS NPPES public registry.