NPPES file of Aug 9, 2026

Gretchen Halley, R.D.

Registered Dietitian · Cheyenne, WY

Gretchen Halley, R.D. is a registered dietitian with a practice address in Cheyenne, Wyoming, and NPI 1598072811, issued on Sep 8, 2010. 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
1598072811
Name
Gretchen Halley
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
421 E 17TH St, Cheyenne, WY 82001
Phone
(307) 633-6114
Enumerated
Sep 8, 2010
Record last updated
Sep 8, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250411002604); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

8 nearest registered dietitian records → All 141 in Wyoming → Look up another NPI →

Also registered at 421 E 17TH St

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

  1. Jeffrey Behringer, M.D.Family Medicine Physician1043521529
  2. Georgie Fear, RDRegistered Dietitian1417253493

Verify Gretchen Halley 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Surely Health IncTucson, AZ

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

Gretchen Halley among 141 registered dietitian records in Wyoming

Gretchen Halley, R.D. is one of 141 registered dietitian records with a practice address in Wyoming. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 28% of them.

  • NPI issued2010 · 28% of these records are older, 71% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2010 · median 2007 among the 16 with a school on file
  • Record last updated2010 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 registered dietitian records list a practice address in Cheyenne

They are 53 of the 2,782 NPPES records with a practice address in Cheyenne, and 141 registered dietitian records in Wyoming.

All 141 in Wyoming → Every provider in Cheyenne → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Jenna Brannock, RDCheyenne, WY 820011750547295
  2. Sherri Gantek, MS, RDCheyenne, WY 820011346352028
  3. Nora Garza, RDCheyenne, WY 820011619088564
  4. Tina Hayes-Siltzer, M.S., R.D., L.D.Cheyenne, WY 820011922209915
  5. Tina JonesCheyenne, WY 820011447395082
  6. Karin Kantz, RDCheyenne, WY 820011003097965
  7. Gwen Knight, RDCheyenne, WY 820011730371451
  8. Anne LammanCheyenne, WY 820011841471703

Common questions

What is Gretchen Halley, R.D.'s NPI number?

Gretchen Halley, R.D.'s National Provider Identifier (NPI) is 1598072811, issued on Sep 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Halley, R.D. located?

The NPPES record lists a practice address at 421 E 17TH St, Cheyenne, WY, 82001. Phone: (307) 633-6114. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Halley, R.D.'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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.