Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Urology

Ermis Nikas, MD

Sees patients in Vacaville, CA · Vallejo, CA · California

Summary

Ermis Nikas, MD (Urology) is enrolled with Medicare at 2 practice locations in Vacaville, CA and Vallejo, CA. NPI 1588742399. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ermis Nikas, 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

UrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
R Franklin University Of Med & Sci/chicago Medical SchoolMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Ermis Nikas see patients?
Medicare's clinician data lists 2 practice locations, including Vacaville, CA and Vallejo, CA. Call before your visit to confirm the address.
What is Ermis Nikas's specialty?
Medicare lists Urology as the primary specialty.
Does Ermis Nikas accept Medicare assignment?
Yes. Medicare's clinician data says Ermis Nikas 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 Ermis Nikas offer telehealth?
Medicare's clinician data says Ermis Nikas offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ermis Nikas?
(707) 624-4000, as listed in official Medicare / NPI Registry data.
What is Ermis Nikas's NPI number?
1588742399. 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 Ermis Nikas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Urology doctors in California →

Other urologists in Vacaville

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

All urologists in Vacaville →

Clinician information

CredentialMD
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588742399
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians