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

Internal Medicine

Anish S. Kolan, MD

Sees patients in Orange, CA · California

Summary

Dr. Anish S. Kolan, MD is an internal medicine doctor at 101 The City Dr S, Orange, CA 92868. Phone: (714) 456-7890. Accepts Medicare assignment. NPI 1013619444. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 101 The City Dr S, Orange, CA 92868 · Directions
  • Phone: (714) 456‑7890
  • Medicare: Accepts Medicare assignment
  • Group practice: The Regents of the University of California-Irvine
  • Medical school: graduated 2023 (3 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Anish S. Kolan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Anish S. Kolan accept Medicare assignment?
Yes. Medicare's clinician data says Anish S. Kolan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Anish S. Kolan's NPI number?
1013619444. 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 Anish S. Kolan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anish S. Kolan as a member of this group (CMS data updated October 2, 2026).

  • The Regents of the University of California-Irvine125 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Orange

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

All internal medicine doctors in Orange →

Other clinicians in The Regents of the University of California-Irvine

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2023 (3 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013619444
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 October 2, 2026, retrieved October 29, 2026
  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