ALEX EUGENE STUDEMEISTER MD
NPI 1235171620
Internal Medicine - Infectious Disease in San Jose, CA
About Alex Eugene Studemeister Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX EUGENE STUDEMEISTER MD (NPI 1235171620) is an individual infectious disease provider in San Jose, California, licensed in California (G57832) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
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
Alex Eugene Studemeister 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 Alex Studemeister reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
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 Alex Studemeister's NPI number?
The NPI number for Alex Studemeister is 1235171620. It was assigned to this individual provider in the NPPES registry on June 12, 2006.
Where is Alex Studemeister located?
Alex Studemeister practices at 751 S Bascom Ave Infectious Disease Department, San Jose, CA 95128. The listed phone number is (408) 885-5000.
What is Alex Studemeister's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Alex Studemeister enrolled in Medicare?
Yes. Alex Studemeister 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 Alex Studemeister's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Studemeister reassigns Medicare benefits to Alex Studemeister MD Inc A Professional Medical Corporation (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 Alex Studemeister'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 Alex Studemeister was last updated on May 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Alex Eugene Studemeister, MD · NPI 1235171620
Infectious Disease physician in San Jose, California. Individual provider, active in the CMS NPPES registry since June 12, 2006.
## Identity
- **NPI:** 1235171620 (Entity type: Individual)
- **Enumerated:** June 12, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** G57832 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 751 S BASCOM AVE, INFECTIOUS DISEASE DEPARTMENT, San Jose, CA 95128-2604
- **Phone:** (408) 885-5000
## 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:** Alex Studemeister MD Inc A Professional Medical Corporation (NPI 1689068215, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 1983
## Record status
- **NPPES last updated:** May 5, 2008
- **Other identifiers:** Medicare UPIN A53341 (CA); Medicaid 00G578320 (CA); Medicare PIN 00G578321 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1235171620) · Data from the CMS NPPES public registry.