WARREN A BIRCH MD
NPI 1467431361
Anesthesiology in Casper, WY
About Warren A Birch Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WARREN A BIRCH MD (NPI 1467431361) is an individual anesthesiology provider in Casper, Wyoming, licensed in Wyoming (4641A) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Summit Medical Center, and is a graduate of University Of Utah School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Warren A Birch 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 Warren Birch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Douglas, WY 82633
- Reassigned Medicare billing, Wyoming enrollment
- Also billed through NPI 1356496491 (Wyoming)
- 97 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 10
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Summit Medical Center
Acute Care Hospitals · Casper, WYMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CASPER, WY 82609
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 Warren Birch's NPI number?
The NPI number for Warren Birch is 1467431361. It was assigned to this individual provider in the NPPES registry on January 10, 2006.
Where is Warren Birch located?
Warren Birch practices at 6550 E 2nd St, Casper, WY 82609. The listed phone number is (307) 995-8100.
What is Warren Birch's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Warren Birch enrolled in Medicare?
Yes. Warren Birch 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 Warren Birch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Warren Birch reassigns Medicare benefits to Memorial Hospital Of Converse County (Douglas, WY). 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 Warren Birch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Warren Birch accept?
Health plans from Blue Cross Blue Shield of Wyoming list Warren Birch 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 Warren Birch affiliated with any hospitals?
According to CMS data, Warren Birch is affiliated with Summit Medical Center.
When was this NPI record last updated?
The NPPES record for Warren Birch was last updated on January 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Warren A Birch, MD · NPI 1467431361
Anesthesiology physician in Casper, Wyoming. Individual provider, active in the CMS NPPES registry since January 10, 2006.
## Identity
- **NPI:** 1467431361 (Entity type: Individual)
- **Enumerated:** January 10, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 4641A (Wyoming)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6550 E 2ND ST, Casper, WY 82609-4321
- **Phone:** (307) 995-8100
## 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:** Memorial Hospital Of Converse County (NPI 1326085408, Douglas, WY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** January 16, 2014
- **Other identifiers:** Medicaid 1038095000 (WY); Medicare PIN W305430 (WY)
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Source: [NPI Profile](https://npiprofile.com/npi/1467431361) · Data from the CMS NPPES public registry.