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DR. ROY N KOHLER M.D.
NPI 1215933676
Internal Medicine - Sleep Medicine in Billings, MT

Active since June 21, 2005PECOS EnrolledAccepts Medicare Assignment
2900 12TH AVE N STE 500E, BILLINGS, MT 59101(406) 238-6800(406) 238-6814 Get Directions Write a Review

NPPES record last updated: May 18, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 18, 2021, Aug 15, 2019, Aug 23, 2018 and 1 more (4 updates tracked since 2015).

About Dr. Roy N Kohler M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROY N KOHLER M.D. (NPI 1215933676) is an individual sleep medicine provider in Billings, Montana, licensed in Montana (8471) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Central Montana Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1215933676
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameDR. ROY N KOHLERCredential: M.D.
Location Address2900 12TH AVE N STE 500EBillings, MT 59101
Mailing Address2900 12th Ave N Ste 500eBillings, MT 59101-7500 · (406) 238-6800 · Fax (406) 238-6814
Phone(406) 238-6800
Fax(406) 238-6814
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateJune 21, 2005
Last NPPES UpdateMay 18, 20214 updates tracked since enumeration
NPPES CertifiedMay 18, 2021
✔ NPI 1215933676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in MT · 8471
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal MedicineTaxonomy 207R00000X · License 8471 (MT)
2900 12TH AVE N STE 500E, Billings, MT 59101
Open in Google Maps ↗

Secondary Practice Locations 3

Location 16240 Ridge Stone Dr. SBillings, MT 59106 · Phone (406) 839-9906 · Fax (406) 371-5046
Location 2900 N Orange St Ste 106Missoula, MT 59802-2951 · Phone (406) 327-3100 · Fax (406) 327-3141
Location 3902 N Orange St # 2Missoula, MT 59802-2928 · Phone (406) 329-5650 · Fax (406) 329-5605

Other Identifiers 1

Medicaid0108647MT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross Blue Shield of Wyoming, Mountain Health CO-OP and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Roy N Kohler M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749259042
PECOS Enrollment IDI20100216000752
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare enrollment records show Roy Kohler reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Vincent Healthcare
Same address
Multi-Specialty
2900 12TH AVE N, SUITE 340W
Billings, MT 59101
  • Reassigned Medicare billing, Montana enrollment
  • Medicare enrollment name: Scl Health Montana
  • 186 clinicians in this Medicare group
NPI 1013948983 (406) 237-4050
Scl Health Medical Group - Billings LLC
0.1 mi
Clinic/Center
1233 N 30TH ST
Billings, MT 59101
  • Reassigned Medicare billing, Montana and Wyoming enrollments
  • 438 clinicians in this Medicare group
NPI 1508289703 (406) 237-7700
Wheatland Memorial Healthcare
77 mi
Critical Access
25 US HWY 191 NORTH
Harlowton, MT 59036
  • Reassigned Medicare billing, Montana enrollment
  • 24 clinicians in this Medicare group
NPI 1073687406 (406) 632-4351
Central Montana Medical Facilities, Inc.
98 mi
Nurse Anesthetist, Certified Registered
408 WENDELL AVE
Lewistown, MT 59457
  • Reassigned Medicare billing, Montana enrollment
  • Also billed through NPI 1770696601 (Montana)
  • 83 clinicians in this Medicare group
NPI 1336252758 (406) 535-7711
Hot Springs County Hospital District
100 mi
Family Medicine
156 N. 6TH STREET
Basin, WY 82410
  • Reassigned Medicare billing, Wyoming enrollment
  • Also billed through NPI 1861550642 (Wyoming)
  • 38 clinicians in this Medicare group
NPI 1174524607 (307) 568-2499
Providence Health & Services Mt
175 mi
Cardiovascular Disease
301 SADDLE DR
Helena, MT 59601
  • Reassigned Medicare billing, Montana enrollment
  • 325 clinicians in this Medicare group
NPI 1871750646 (406) 442-8777
Northern Montana Hospital
197 mi
Rural Health
1410 1ST AVE
Havre, MT 59501
  • Reassigned Medicare billing, Montana enrollment
  • 81 clinicians in this Medicare group
NPI 1538131172 (406) 265-5408
Barrett Hospital Development Corporation
204 mi
Critical Access
30 MT HIGHWAY 91 S
Dillon, MT 59725
  • Reassigned Medicare billing, Montana enrollment
  • 60 clinicians in this Medicare group
NPI 1396286480 (406) 683-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
265 services239 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
253 services219 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
142 services141 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Central Montana Medical Center

Critical Access Hospitals · Lewistown, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271345
Location408 Wendell AveLewistown, MT 59457 · Fergus County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 20

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
26 suppliers1,014 claims1,015 services$38.47 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
19 suppliers603 claims603 services$93.55 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
19 suppliers709 claims1,290 services$35.64 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
17 suppliers779 claims2,569 services$20.03 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
16 suppliers385 claims1,629 services$15.08 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
23 suppliers908 claims908 services$59.44 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMELIA JO CLARK NP
Nurse Practitioner
2900 12TH AVE N STE 500E
BILLINGS, MT 59101
Yellowstone County (406) 238-6804
FARNAZ ABBASIMORADI MD
Internal Medicine (Sleep Medicine)
2900 12TH AVE N STE 500E
BILLINGS, MT 59101
Yellowstone County (406) 238-6800
DR. DANIEL LOREN FAABORG MD
Urology
2900 12TH AVE N STE 500E
BILLINGS, MT 59101
Yellowstone County (406) 237-5400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Roy Kohler's NPI number?

The NPI number for Roy Kohler is 1215933676. It was assigned to this individual provider in the NPPES registry on June 21, 2005.

Where is Roy Kohler located?

Roy Kohler practices at 2900 12th Ave N Ste 500E, Billings, MT 59101. The listed phone number is (406) 238-6800.

What is Roy Kohler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Roy Kohler enrolled in Medicare?

Yes. Roy Kohler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Roy Kohler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roy Kohler reassigns Medicare benefits to 8 organizations: St. Vincent Healthcare (Billings, MT), Scl Health Medical Group - Billings LLC (Billings, MT), Wheatland Memorial Healthcare (Harlowton, MT), Central Montana Medical Facilities, Inc. (Lewistown, MT), Hot Springs County Hospital District (Basin, WY) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Roy Kohler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Roy Kohler accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Roy Kohler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Roy Kohler affiliated with any hospitals?

According to CMS data, Roy Kohler is affiliated with Central Montana Medical Center.

When was this NPI record last updated?

The NPPES record for Roy Kohler was last updated on May 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.