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

Mental Health Counselor

Hans J. Sieber

Sees patients in Arvada, CO · Colorado

Summary

Hans J. Sieber (Mental Health Counselor) is enrolled with Medicare at 1 practice location in Arvada, CO. NPI 1083663660. 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 Hans J. Sieber, 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

Mental Health CounselorPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
MaleGender (as listed)

Quick answers

Where does Hans J. Sieber see patients?
Medicare's clinician data lists 1 practice location in Arvada, CO. Call before your visit to confirm the address.
What is Hans J. Sieber's specialty?
Medicare lists Mental Health Counselor as the primary specialty.
Does Hans J. Sieber accept Medicare assignment?
Yes. Medicare's clinician data says Hans J. Sieber 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.
What is the phone number for Hans J. Sieber?
(720) 315-0123, as listed in official Medicare / NPI Registry data.
What is Hans J. Sieber's NPI number?
1083663660. 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 Hans J. Sieber is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Mental Health Counselor, Colorado →

Other mental health counselors in Arvada

Clinicians with the same Medicare primary specialty in Arvada, CO — not a recommendation.

All mental health counselors in Arvada →

Clinician information

Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083663660
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