DR. WILLIAM ALLEN SURBER II MD
NPI 1386730893
Anesthesiology in Missoula, MT
About Dr. William Allen Surber Ii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM ALLEN SURBER II MD (NPI 1386730893) is an individual anesthesiology provider in Missoula, Montana, licensed in Montana (11721) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Steele Memorial Medical Center, and maintains a secondary practice location in Lebanon.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted 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. William Allen Surber Ii Md 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.
Medicare Billing Reassignments
12Medicare enrollment records show William Surber reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Missoula, MT 59808
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Missoula Anesthesiology PC
- 55 clinicians in this Medicare group
Missoula, MT 59808
- Reassigned Medicare billing, Montana enrollment
- 325 clinicians in this Medicare group
Missoula, MT 59802
- Reassigned Medicare billing, Montana enrollment
- 5 clinicians in this Medicare group
Spokane, WA 99204
- Reassigned Medicare billing, Montana enrollment
- 7 clinicians in this Medicare group
Walla Walla, WA 99362
- Reassigned Medicare billing, Montana enrollment
- 6 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Montana enrollment
- 6 clinicians in this Medicare group
Olympia, WA 98506
- Reassigned Medicare billing, Montana enrollment
- 7 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Montana enrollment
- 7 clinicians in this Medicare group
Torrance, CA 90503
- Reassigned Medicare billing, Montana enrollment
- 7 clinicians in this Medicare group
Anchorage, AK 99508
- Reassigned Medicare billing, Montana enrollment
- 6 clinicians in this Medicare group
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 15
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Steele Memorial Medical Center
Critical Access Hospitals · Salmon, IDSt. Patrick Hospital
Acute Care Hospitals · Missoula, MTBitterroot Health - Daly Hospital
Critical Access Hospitals · Hamilton, MTProvidence St Joseph Medical Center
Critical Access Hospitals · Polson, MTMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MISSOULA, MT 59808
MISSOULA, MT 59808
MISSOULA, MT 59808
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 William Surber's NPI number?
The NPI number for William Surber is 1386730893. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is William Surber located?
William Surber practices at 2825 Stockyard Rd Bldg I-200, Missoula, MT 59808. The listed phone number is (406) 728-8420.
What is William Surber's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Surber enrolled in Medicare?
Yes. William Surber 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 William Surber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Surber reassigns Medicare benefits to 12 organizations: Missoula Anesthesiology, P.C. (Missoula, MT), Providence Health & Services Mt (Missoula, MT), Ma Critical Care Services, PC (Missoula, MT), Providence Health & Services Washington (Spokane, WA), Providence Health & Services - Washington (Walla Walla, WA) and 7 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 William Surber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Surber accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and Premera Blue Cross Blue Shield of Alaska list William Surber 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 William Surber affiliated with any hospitals?
According to CMS data, William Surber is affiliated with Steele Memorial Medical Center, St. Patrick Hospital, Bitterroot Health - Daly Hospital, Providence St Joseph Medical Center and Mary Hitchcock Memorial Hospital.
When was this NPI record last updated?
The NPPES record for William Surber was last updated on February 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. William Allen Surber II, MD · NPI 1386730893
Anesthesiology physician in Missoula, Montana. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1386730893 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 11721 (Montana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2825 STOCKYARD RD, BLDG I-200, Missoula, MT 59808-1503
- **Phone:** (406) 728-8420 · **Fax:** (406) 541-8430
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): Missoula Anesthesiology, P.C. (NPI 1710931225, Missoula, MT); Providence Health & Services Mt (NPI 1316605637, Missoula, MT); Ma Critical Care Services, PC (NPI 1114221983, Missoula, MT); Providence Health & Services Washington (NPI 1194099390, Spokane, WA); Providence Health & Services - Washington (NPI 1922259738, Walla Walla, WA); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** February 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1386730893) · Data from the CMS NPPES public registry.