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Endocrinology

Jeffrey Wei, MD

Works at hospitals in Ojai, CA · Ventura, CA · Santa Maria, CA · California

Summary

Jeffrey Wei, MD (Endocrinology) is listed by Medicare at 3 hospitals in Ojai, CA, Ventura, CA and Santa Maria, CA. NPI 1487016952. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jeffrey Wei, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
Boston University School Of MedicineMedical school
MaleGender (as listed)
The Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Jeffrey Wei work at?
Medicare's official clinician data lists Jeffrey Wei at 3 hospitals: Community Memorial Hospital - Ojai, Community Memorial Hospital - Ventura and Marian Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jeffrey Wei see patients?
Medicare's clinician data lists 8 practice locations, including Thousand Oaks, CA, Santa Barbara, CA and Westlake Village, CA. Call before your visit to confirm the address.
What is Jeffrey Wei's specialty?
Medicare lists Endocrinology as the primary specialty.
Does Jeffrey Wei accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey Wei 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 Wei offer telehealth?
Medicare's clinician data says Jeffrey Wei offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jeffrey Wei?
(805) 418-3500, as listed in official Medicare / NPI Registry data.
What is Jeffrey Wei's NPI number?
1487016952. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jeffrey Wei works

Medicare's Facility Affiliation Data lists Jeffrey Wei at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jeffrey Wei is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jeffrey Wei as a member of this group (CMS data updated 2026-10-02).

  • The Regents of the University of California1,462 clinicians in the group

Specialties

Find other Endocrinology doctors in California →

Other endocrinologists in Thousand Oaks

Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.

All endocrinologists in Thousand Oaks →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487016952
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians