Quick answers
- Where does Terry Blay see patients?
- Medicare's clinician data lists 2 practice locations, including San Jose, CA and Morgan Hill, CA. Call before your visit to confirm the address.
- What is Terry Blay's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine.
- Does Terry Blay accept Medicare assignment?
- Yes. Medicare's clinician data says Terry Blay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Terry Blay?
- (408) 885-5000, as listed in official Medicare / NPI Registry data.
- What is Terry Blay's NPI number?
- 1447336953. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Terry Blay is enrolled with Medicare (CMS data updated 2026-10-02).
- 1333 Meridian AveSan Jose, CA 95125
- 18550 De Paul DrMorgan Hill, CA 95037 (408) 885‑5000
Group practices
Medicare enrollment lists Terry Blay as a member of these groups (CMS data updated 2026-10-02).
- County of Santa Clara1,022 clinicians in the group
- Indian Health Center of Santa Clara Valley34 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
Other internal medicine doctors in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447336953 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians