NPPES file of Aug 9, 2026

Greg Gaston Erramouspe, D.D.S.

General Practice Dentistry · Rock Springs, WY

Greg Gaston Erramouspe, D.D.S. is a general practice dentistry with a practice address in Rock Springs, Wyoming, and NPI 1235309402, issued on Mar 4, 2008. Check the license (Wyoming 948, as entered in NPPES) 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235309402
Name
Greg Gaston Erramouspe
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
948 WY
Self-reported in NPPES; status is on the state search
Practice location
550 Broadway St, Rock Springs, WY 82901
Phone
(307) 362-3121
Enumerated
Mar 4, 2008
Record last updated
Mar 4, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(307) 362-1163
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 550 Broadway St

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

  1. Brian Hunsaker, D.D.S.General Practice Dentistry1710193255

Verify Greg Gaston Erramouspe in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license 948
    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
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57% fewer Medicare Part D claims than the average general practice dentistry in 2024

36 Medicare Part D claims for 27 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Greg Erramouspe36
  2. Specialty average83

Most prescribed

  1. Amoxicillin26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Greg Gaston Erramouspe among 236 general practice dentistry records in Wyoming

Greg Gaston Erramouspe, D.D.S. is one of 236 general practice dentistry records with a practice address in Wyoming. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2008 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 general practice dentistry records list a practice address in Rock Springs

They are 11 of the 620 NPPES records with a practice address in Rock Springs, and 236 general practice dentistry records in Wyoming.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Tyler Carlson, D.M.DRock Springs, WY 829011952558652
  2. Christopher Davidson, D.D.S.Rock Springs, WY 829011841265436
  3. Chloe Davidson, DMDRock Springs, WY 829011528906930
  4. Steven Harmon, DDSRock Springs, WY 829011528322021
  5. Brian Hunsaker, D.D.S.Rock Springs, WY 829011710193255
  6. Clint Lee, D.D.S.Rock Springs, WY 829011821294778
  7. Michael O'FarrellRock Springs, WY 829011497275002
  8. Matthew O'Farrell, DDSRock Springs, WY 829011255852364

Common questions

What is Greg Gaston Erramouspe, D.D.S.'s NPI number?

Greg Gaston Erramouspe, D.D.S.'s National Provider Identifier (NPI) is 1235309402, issued on Mar 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Greg Gaston Erramouspe, D.D.S. located?

The NPPES record lists a practice address at 550 Broadway St, Rock Springs, WY, 82901. Phone: (307) 362-3121. Providers update this record themselves, so call before visiting.

How can I verify Greg Gaston Erramouspe, D.D.S.'s license?

NPPES lists Wyoming license number 948, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Greg Gaston Erramouspe, D.D.S. prescribe under Medicare Part D?

In 2024, Greg Gaston Erramouspe, D.D.S. had 36 Medicare Part D claims for 27 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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.