Wallace J Hayasaka, M.D.

Individual provider Active NPI Anesthesiology Physician · Bozeman, MT

NPI 1477538155 · NPPES record last updated Dec 15, 2020

Key facts

NPI
1477538155
Entity type
Individual (NPI type 1)
Primary specialty
Anesthesiology Physician 207L00000X
License
57767 (MT)
Practice address
915 Highland Blvd
Bozeman, MT 59715-6902
Phone
(602) 262-8900
Fax
(602) 262-4132
NPI assigned
Dec 14, 2005
Sex
Male
Sole proprietor
No

Organizations & group practices 16

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 9

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Anesthesiology
Education
Loma Linda University School of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Billings Clinic (814 clinicians)
Gallatin Valley Anesthesia Associates PC (35 clinicians)

Practice addresses (Care Compare)

2800 10TH Ave N
Suite D
Billings, MT 59101-0703
Phone (406) 238-2500

925 Highland Blvd
Suite 1180
Bozeman, MT 59715-6905
Phone (406) 587-8631

Hospital & facility affiliations

  • Bozeman Health Deaconess Hospital Hospital · Bozeman, MT · CCN 270057
  • Billings Clinic Hospital Hospital · Billings, MT · CCN 270004

Medicare participation

Medicare fee-for-service enrollment
Enrolled in MT
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20170828004248 MT Practitioner - Anesthesiology 7618057183 Reassigns benefits to 4 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
52953AZMDAnesthesiology Physician
38727COMDAnesthesiology Physician
57767MTMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Gallatin Valley Anesthesia Associates PC Anesthesiology Current
since Aug 21, 2017
Accepting new patients
Livingston Healthcare Current
since Dec 1, 2020
Accepting new patients
Billings Clinic Current
since Apr 2, 2025
Accepting new patients
Livingston Healthcare Current Accepting new patients
Billings Clinic Current Accepting new patients
Livingston Healthcare Current
since Dec 1, 2020
Accepting new patients
Billings Clinic Family Medicine Current
since Apr 2, 2025
Accepting new patients
Granite Peak Anesthesiology Consultants Anesthesiology Current
since Jul 6, 2024
Accepting new patients
Physician Anesthesia Services PC Anesthesiology Past Accepting new patients
Intercity Radiology, PC Past
since Aug 21, 2017
Accepting new patients
Anesthesia Consultants PC Anesthesiology Past Accepting new patients
Billings Clinic Past Accepting new patients

Locations

2949 10TH Ave N
Billings, MT 59101

2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290

2800 10th Ave N
Ste D
Billings, MT 59101
Phone (406) 657-4100

3905 Wellness Way
Bozeman, MT 59718
Phone (406) 587-9202

915 Highland Blvd
Bozeman, MT 59715
Phone (406) 414-1720

536 S Cottonwood Rd
Ste 102
Bozeman, MT 59718
Phone (406) 548-6299

925 Highland Blvd
Ste 1180
Bozeman, MT 59715
Phone (406) 582-4963

925 Highland Blvd
Bozeman, MT 59715
Phone (406) 414-3780

320 Alpenglow Ln
Livingston, MT 59047
Phone (406) 222-3541

104 Centennial Dr
Livingston, MT 59047
Phone (406) 222-0030

104 Centennial Dr
Ste 103
Livingston, MT 59047
Phone (406) 222-0030

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 57767 MT Yes
Anesthesiology Physician 207L00000X 52953 AZ
Anesthesiology Physician 207L00000X 38727 CO

Addresses

Primary practice location

915 Highland Blvd
Bozeman, MT 59715-6902

Mailing address

PO Box 84891
Seattle, WA 98124-6191
Phone (406) 414-5000

Other practice location 1

925 Highland Blvd
Bozeman, MT 59715-6900
Phone (800) 394-4445

Other identifiers

IdentifierTypeStateIssuer
26353580MedicaidCO

Other providers in Bozeman, MT

All providers in Bozeman, MT · Anesthesiology Physician in Montana

Sources for this page

Verify at the official NPI Registry.