TERRY A. BLAY MD
NPI 1447336953
Emergency Medicine in San Jose, CA
About Terry A. Blay Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TERRY A. BLAY MD (NPI 1447336953) is an individual emergency medicine provider in San Jose, California, licensed in California (G47094) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1980).
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
Terry A. Blay 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 Terry Blay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95125
- Reassigned Medicare billing, California enrollment
- 2,460 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95120 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Terry Blay's NPI number?
The NPI number for Terry Blay is 1447336953. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Terry Blay located?
Terry Blay practices at 5945 Almaden Expy Ste 110, San Jose, CA 95120. The listed phone number is (408) 997-1803.
What is Terry Blay's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Terry Blay enrolled in Medicare?
Yes. Terry Blay 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 Terry Blay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terry Blay reassigns Medicare benefits to County Of Santa Clara (San Jose, 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 Terry Blay'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 Terry Blay was last updated on July 23, 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.
# Terry A. Blay, MD · NPI 1447336953
Emergency Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since October 27, 2006.
## Identity
- **NPI:** 1447336953 (Entity type: Individual)
- **Enumerated:** October 27, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G47094 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5945 ALMADEN EXPY STE 110, San Jose, CA 95120-5922
- **Phone:** (408) 997-1803
## 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:** County Of Santa Clara (NPI 1497855696, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1980
## Record status
- **NPPES last updated:** July 23, 2026
- **Other identifiers:** Medicaid 00G470940 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1447336953) · Data from the CMS NPPES public registry.