MICHAEL WEBSTER MD
NPI 1912007121
Anesthesiology in Great Falls, MT
About Michael Webster Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL WEBSTER MD (NPI 1912007121) is an individual anesthesiology provider in Great Falls, Montana, licensed in Montana (9986) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Kettering Health Greene Memorial, and is a graduate of Loma Linda University School Of Medicine (1979).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Michael Webster 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 Reassignment
Medicare enrollment records show Michael Webster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dayton, OH 45405
- Reassigned Medicare billing, Ohio enrollment
- 419 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kettering Health Greene Memorial
Acute Care Hospitals · Xenia, OHKettering Health Main Campus
Acute Care Hospitals · Kettering, OHKettering Health Dayton
Acute Care Hospitals · Dayton, OHKettering Health Miamisburg
Acute Care Hospitals · Miamisburg, OHSoin Medical Center
Acute Care Hospitals · Beaver Creek, OHOther Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREAT FALLS, MT 59405
GREAT FALLS, MT 59405
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 Michael Webster's NPI number?
The NPI number for Michael Webster is 1912007121. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Michael Webster located?
Michael Webster practices at 401 15th Ave S Suite 109, Great Falls, MT 59405. The listed phone number is (406) 727-6311.
What is Michael Webster's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Webster enrolled in Medicare?
Yes. Michael Webster 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 organization bills Medicare for Michael Webster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Webster reassigns Medicare benefits to Dayton Anesthesia & Pain Services, LLC (Dayton, OH). The 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 Michael Webster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Webster accept?
Health plans from CareSource and Oscar Health Insurance list Michael Webster 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 Michael Webster affiliated with any hospitals?
According to CMS data, Michael Webster is affiliated with Kettering Health Greene Memorial, Kettering Health Main Campus, Kettering Health Dayton, Kettering Health Miamisburg and Soin Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Webster was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Michael Webster, MD · NPI 1912007121
Anesthesiology physician in Great Falls, Montana. Individual provider, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1912007121 (Entity type: Individual)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 9986 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 15TH AVE S, SUITE 109, Great Falls, MT 59405-4334
- **Phone:** (406) 727-6311 · **Fax:** (406) 727-1070
## 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:** Dayton Anesthesia & Pain Services, LLC (NPI 1629401898, Dayton, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 1979
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 84072; Medicaid 78217 (MT); Medicare UPIN A49457
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Source: [NPI Profile](https://npiprofile.com/npi/1912007121) · Data from the CMS NPPES public registry.