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Family Practice

Robert Wagenaar, MD

Sees patients in Billings, MT · Bethpage, NY · Great Falls, MT · Montana, New York

Summary

Robert Wagenaar, MD (Family Practice) is enrolled with Medicare at 5 practice locations in Billings, MT, Bethpage, NY and Great Falls, MT. NPI 1841287570. Source: CMS National Downloadable File, updated 2026-10-02.

NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Robert Wagenaar, 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

5Practice locations
Family PracticePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
27Years since medical school (graduated 1999)
University Of Washington School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Robert Wagenaar see patients?
Medicare's clinician data lists 5 practice locations, including Billings, MT, Bethpage, NY and Great Falls, MT. Call before your visit to confirm the address.
What is Robert Wagenaar's specialty?
Medicare lists Family Practice as the primary specialty.
Does Robert Wagenaar accept Medicare assignment?
Medicare's clinician data says Robert Wagenaar may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Robert Wagenaar offer telehealth?
Medicare's clinician data says Robert Wagenaar offers telehealth services. Ask the office which visits can be done by video or phone.
What is Robert Wagenaar's NPI number?
1841287570. 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 Robert Wagenaar is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1233 N 30th StBillings, MT 59101
  • 1233 N 30th St, Provider Enrollment Medical Staff OfficeBillings, MT 59101
  • 15 Grumman Rd W, Suite 1400Bethpage, NY 11714
  • 32 Wicks LnBillings, MT 59105
  • PO Box, Suite 5012Great Falls, MT 59403

Specialties

Find other Family Practice doctors in Montana →

Other family doctors in Billings

Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.

All family doctors in Billings →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841287570
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