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Internal Medicine

Dean J. Nickles, MD

Works at hospitals in Oakland, CA · Berkeley, CA · Stanford, CA … · California

Summary

Dean J. Nickles, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Oakland, CA, Berkeley, CA and Stanford, CA and other places. NPI 1255390050. 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 Dean J. Nickles, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
51Years since medical school (graduated 1975)
West Virginia University School Of MedicineMedical school
MaleGender (as listed)
University Healthcare AllianceGroup practice

Quick answers

Which hospitals does Dean J. Nickles work at?
Medicare's official clinician data lists Dean J. Nickles at 4 hospitals: Alta Bates Summit Medical Center, Alta Bates Summit Medical Center - Alta Bates Camp…, Stanford Health Care and Stanford Health Care Tri-Valley. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dean J. Nickles see patients?
Medicare's clinician data lists 3 practice locations, including Menlo Park, CA, Pleasanton, CA and Emeryville, CA. Call before your visit to confirm the address.
What is Dean J. Nickles's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Dean J. Nickles accept Medicare assignment?
Yes. Medicare's clinician data says Dean J. Nickles 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 Dean J. Nickles offer telehealth?
Medicare's clinician data says Dean J. Nickles offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Dean J. Nickles?
(650) 498-6500, as listed in official Medicare / NPI Registry data.
What is Dean J. Nickles's NPI number?
1255390050. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dean J. Nickles works

Medicare's Facility Affiliation Data lists Dean J. Nickles 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 Dean J. Nickles is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Dean J. Nickles as a member of this group (CMS data updated 2026-10-02).

  • University Healthcare Alliance327 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Menlo Park

Clinicians with the same Medicare primary specialty in Menlo Park, CA — not a recommendation.

All internal medicine doctors in Menlo Park →

Clinician information

CredentialMD
Medical schoolWest Virginia University School Of Medicine
Graduation year1975
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255390050
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