NPPES file of Aug 9, 2026

Warren A. Birch, MD

Anesthesiology Physician · Casper, WY

Warren A. Birch, MD is an anesthesiology physician with a practice address in Casper, Wyoming, and NPI 1467431361, issued on Jan 10, 2006. Check the license (Wyoming 4641A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467431361
Name
Warren A. Birch
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
4641A WY
Self-reported in NPPES; status is on the state search
Practice location
6550 E 2ND St, Casper, WY 82609
Phone
(307) 995-8100
Enumerated
Jan 10, 2006
Record last updated
Jan 16, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid ID
1038095000 WY
Medicare enrollment
Enrolled (PECOS I20031106000105); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 1987
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6550 E 2ND St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Starrla Bartlett-Rone, PAPhysician Assistant1053400747
  2. Steven Becker, M.D.Orthopaedic Surgery Physician1881601607
  3. Prouskeh Ebrahimpour, M.D.Adult Reconstructive Orthopaedic Surgery Physician1124280417
  4. Bradley Palmer, MDAnesthesiology Physician1558340455
  5. Deanna Ridley, LCSWClinical Social Worker1477880367

Verify Warren A. Birch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of Medicine
    Search for license 4641A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wyoming license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 71.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score64.2
  2. Costout of 100 · 30%58.9
  3. Promoting interoperabilityout of 100 · 25%79.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Memorial Hospital OF Converse CountyDouglas, WY · Critical Access Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Warren A. Birch among 83 anesthesiology physician records in Wyoming

Warren A. Birch, MD is one of 83 anesthesiology physician records with a practice address in Wyoming. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 41% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1987 · median 2004 among the 51 with a school on file
  • Record last updated2014 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 anesthesiology physician records list a practice address in Casper

They are 22 of the 1,924 NPPES records with a practice address in Casper, and 83 anesthesiology physician records in Wyoming.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Matthew Foley, MDCasper, WY 826091346245180
  2. Bradley Palmer, MDCasper, WY 826091558340455
  3. Matthew Chynoweth, DOCasper, WY 826041376658104
  4. Kerry Engelking, M.D.Casper, WY 826041942395686
  5. John Billings, MDCasper, WY 826011508936360
  6. Luke Bracke, M.D.Casper, WY 826011386899680
  7. Jeffery Christensen, D.O.Casper, WY 826011376860916
  8. Jeffrey Fowler, MDCasper, WY 826011831241983

Common questions

What is Warren A. Birch, MD's NPI number?

Warren A. Birch, MD's National Provider Identifier (NPI) is 1467431361, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Warren A. Birch, MD located?

The NPPES record lists a practice address at 6550 E 2ND St, Casper, WY, 82609. Phone: (307) 995-8100. Providers update this record themselves, so call before visiting.

How can I verify Warren A. Birch, MD's license?

NPPES lists Wyoming license number 4641A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Warren A. Birch, MD's MIPS final score?

The 2023 MIPS final score is 71.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.