NPPES file of Aug 9, 2026

Theresa L. Simmons, C.R.N.A.

Certified Registered Nurse Anesthetist · Gillette, WY

Theresa L. Simmons, C.R.N.A. is a certified registered nurse anesthetist with a practice address in Gillette, Wyoming, and NPI 1538258520, issued on Oct 11, 2006. Check the license with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1538258520
Name
Theresa L. Simmons
Credential
C.R.N.A.
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
101379 NE
Self-reported in NPPES; status is on the state search
Practice location
501 S Burma Ave, Gillette, WY 82716
Phone
(307) 688-1524
Enumerated
Oct 11, 2006
Record last updated
Feb 27, 2026
Fax
(307) 687-7243
Medicare enrollment
Enrolled (PECOS I20161227000119); accepts Medicare assignment
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 501 S Burma Ave

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

  1. Brent Allen, CRNACertified Registered Nurse Anesthetist1811573173
  2. Gwen Andrews, PSSPeer Specialist1639649072
  3. Brian Austin, C.R.N.A.Certified Registered Nurse Anesthetist1114016193
  4. Attila Barabas, M.D.Specialist1285679670
  5. Edward Bergin, MD, MSInternal Medicine Physician1982100988
  6. Judith Boyle, M.D.Hospitalist Physician1124062310

Verify Theresa L. Simmons in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this professionCheck 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
Find 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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Bills Medicare through one group practice

  1. Cheyenne County Hospital Association IncSidney, NE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Theresa L. Simmons among 73 certified registered nurse anesthetist records in Wyoming

Theresa L. Simmons, C.R.N.A. is one of 73 certified registered nurse anesthetist records with a practice address in Wyoming. 77% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 49% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2003 · median 2008 among the 51 with a school on file
  • Record last updated2026 · 81% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 certified registered nurse anesthetist records list a practice address in Gillette

They are 16 of the 696 NPPES records with a practice address in Gillette, and 73 certified registered nurse anesthetist records in Wyoming.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Brent Allen, CRNAGillette, WY 827161811573173
  2. Brian Austin, C.R.N.A.Gillette, WY 827161114016193
  3. Dallin Bracken, CRNAGillette, WY 827161336465798
  4. Rebecca Edwards, CRNAGillette, WY 827161427404060
  5. Dana Halbrooks, CRNAGillette, WY 827161003837790
  6. Caesar Loyo, CRNAGillette, WY 827161932877735
  7. Anna Lukens-Black, CRNAGillette, WY 827161811365315
  8. Byron PetersonGillette, WY 827161568716280

Common questions

What is Theresa L. Simmons, C.R.N.A.'s NPI number?

Theresa L. Simmons, C.R.N.A.'s National Provider Identifier (NPI) is 1538258520, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theresa L. Simmons, C.R.N.A. located?

The NPPES record lists a practice address at 501 S Burma Ave, Gillette, WY, 82716. Phone: (307) 688-1524. Providers update this record themselves, so call before visiting.

How can I verify Theresa L. Simmons, C.R.N.A.'s license?

Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

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.