Quick answers
- Where does Jeffrey D. Klausner see patients?
- Medicare's clinician data lists 4 practice locations, including Alamo, CA, San Leandro, CA and Walnut Creek, CA. Call before your visit to confirm the address.
- What is Jeffrey D. Klausner's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Jeffrey D. Klausner accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey D. Klausner 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.
- Does Jeffrey D. Klausner offer telehealth?
- Medicare's clinician data says Jeffrey D. Klausner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeffrey D. Klausner?
- (925) 932-6330, as listed in official Medicare / NPI Registry data.
- What is Jeffrey D. Klausner's NPI number?
- 1508973249. 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 Jeffrey D. Klausner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1505 Saint Alphonsus WayAlamo, CA 94507 (925) 932‑6330
- 201 Dolores AveSan Leandro, CA 94577 (510) 984‑2489
- 2637 Shadelands DrWalnut Creek, CA 94598
- 365 Lennon LnWalnut Creek, CA 94598
Group practices
Medicare enrollment lists Jeffrey D. Klausner as a member of this group (CMS data updated 2026-10-02).
- Bass Medical Group291 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Alamo
Clinicians with the same Medicare primary specialty in Alamo, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508973249 |
| 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