Greg Hosler, MD
Emergency Medicine Physician · Walsenburg, CO
Greg Hosler, MD is an emergency medicine physician with a practice address in Walsenburg, Colorado, and NPI 1679714745, issued on Mar 18, 2009. Check the license (Colorado 47621, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Greg Hosler
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 47621 CO
Self-reported in NPPES; status is on the state search - Practice location
- 23500 US Highway 160, Walsenburg, CO 81089
- Phone
- (719) 738-5100
- Enumerated
- Mar 18, 2009
- Record last updated
- Aug 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 91587760 CO
- Medicare enrollment
- Enrolled (PECOS I20110908002074); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 23500 US Highway 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Andreatta, PTPhysical Therapist1043155005
- Ronald Cochran, CRNACertified Registered Nurse Anesthetist1245260173
- Andrea Crosson, OTROccupational Therapist1336434349
- Chad Davis, M.D.Emergency Medicine Physician1922081090
- Jonathan Dobin, M.D.Emergency Medicine Physician1295180362
- Marilyn DosterFamily Nurse Practitioner1891484374
Verify Greg Hosler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 47621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average emergency medicine physician in 2024
12 Medicare Part D claims for 11 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Parkview Ancillary Services CorporationPueblo, CO
- Poudre Valley Medical Group LLCPueblo, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg Hosler among 1,434 emergency medicine physician records in Colorado
Greg Hosler, MD is one of 1,434 emergency medicine physician records with a practice address in Colorado. 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2011 among the 810 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 emergency medicine physician records list a practice address in Walsenburg
They are 8 of the 70 NPPES records with a practice address in Walsenburg, and 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Walsenburg → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Chad Davis, M.D.Walsenburg, CO 810891922081090
- Jonathan Dobin, M.D.Walsenburg, CO 810891295180362
- Ginger Dunnam-Smith, M.D.Walsenburg, CO 810891710905997
- Thomas Faulhaber, M.D.Walsenburg, CO 810891912914466
- Michael Mills, M.D.Walsenburg, CO 810891700806007
- Jonathan Moran, DOWalsenburg, CO 810891902244734
- Fred Williams, MDWalsenburg, CO 810891013987973
- William Greiser, MDTrinidad, CO 810821720114408
Common questions
What is Greg Hosler, MD's NPI number?
Greg Hosler, MD's National Provider Identifier (NPI) is 1679714745, issued on Mar 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Greg Hosler, MD located?
The NPPES record lists a practice address at 23500 US Highway 160, Walsenburg, CO, 81089. Phone: (719) 738-5100. Providers update this record themselves, so call before visiting.
How can I verify Greg Hosler, MD's license?
NPPES lists Colorado license number 47621, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Greg Hosler, MD prescribe under Medicare Part D?
In 2024, Greg Hosler, MD had 12 Medicare Part D claims for 11 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Greg Hosler, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.