Quick answers
- Which hospitals does Joshua D. Perlroth work at?
- Medicare's official clinician data lists Joshua D. Perlroth at 4 hospitals: John Muir Medical Center - Concord Campus, John Muir Medical Center - Walnut Creek Campus, Sutter Delta Medical Center and Sutter Solano Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joshua D. Perlroth see patients?
- Medicare's clinician data lists 2 practice locations, including Alamo, CA and Walnut Creek, CA. Call before your visit to confirm the address.
- What is Joshua D. Perlroth's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does Joshua D. Perlroth accept Medicare assignment?
- Yes. Medicare's clinician data says Joshua D. Perlroth 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 Joshua D. Perlroth offer telehealth?
- Medicare's clinician data says Joshua D. Perlroth offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joshua D. Perlroth?
- (925) 932-6330, as listed in official Medicare / NPI Registry data.
- What is Joshua D. Perlroth's NPI number?
- 1881807006. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joshua D. Perlroth works
Medicare's Facility Affiliation Data lists Joshua D. Perlroth at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John Muir Medical Center - Concord CampusConcord, CA · Acute Care Hospital · CCN 050496
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · CCN 050180
- Sutter Delta Medical CenterAntioch, CA · Acute Care Hospital · CCN 050523
- Sutter Solano Medical CenterVallejo, CA · Acute Care Hospital · CCN 050101
Practice locations
Addresses where Joshua D. Perlroth is enrolled with Medicare (CMS data updated 2026-10-02).
- 1505 Saint Alphonsus WayAlamo, CA 94507 (925) 932‑6330
- 365 Lennon LnWalnut Creek, CA 94598
Group practices
Medicare enrollment lists Joshua D. Perlroth as a member of this group (CMS data updated 2026-10-02).
- Bass Medical Group291 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
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 | University Of Southern California Keck School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881807006 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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