Gwynn Antonson, D.O.
Family Medicine Physician · Pueblo, CO
Gwynn Antonson, D.O. is a family medicine physician with a practice address in Pueblo, Colorado, and NPI 1700043692, issued on May 19, 2008. Check the license (Colorado 0050578, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gwynn Antonson
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0050578 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4020 Jerry Murphy RD, Pueblo, CO 81001
- Phone
- (719) 546-3600
- Enumerated
- May 19, 2008
- Record last updated
- May 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (719) 546-0931
- Medicaid ID
- 65425871 CO
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 4020 Jerry Murphy RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Anaya, M.D.Family Medicine Physician1245395649
- Alexia Latka, NPFamily Nurse Practitioner1497649495
- Veronica Ritchey, FNP-CFamily Nurse Practitioner1649530122
- Marissa Shisler, FNP-CFamily Nurse Practitioner1760999692
- Cheryl Wills, D.O.Family Medicine Physician1609931013
Verify Gwynn Antonson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 0050578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average family medicine physician in 2024
5,246 Medicare Part D claims for 334 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 344 claims were for opioids.
Most prescribed
- Atorvastatin Calcium250 claims
- Levothyroxine Sodium245 claims
- Omeprazole212 claims
- Lisinopril158 claims
- Tramadol Hcl115 claims
- Losartan Potassium110 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).
Industry payments in 2024: $123.66
7 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gwynn Antonson among 3,563 family medicine physician records in Colorado
Gwynn Antonson, D.O. is one of 3,563 family medicine physician records with a practice address in Colorado. 76% 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 58% of them.
- NPI issued2008 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
104 family medicine physician records list a practice address in Pueblo
They are 104 of the 3,717 NPPES records with a practice address in Pueblo, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Pueblo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lawrence Anaya, M.D.Pueblo, CO 810011245395649
- Mikaela Fenn, MDPueblo, CO 810011083292817
- Bryan Hynes, M.D.Pueblo, CO 810011881839694
- Richard King, MDPueblo, CO 810011679500599
- Erin Lusher, DOPueblo, CO 810011952666067
- Andrew Parker, DOPueblo, CO 810011104511278
- Richard Rivera, MDPueblo, CO 810011710952577
- Kristine Rivera, DOPueblo, CO 810011437186376
Common questions
What is Gwynn Antonson, D.O.'s NPI number?
Gwynn Antonson, D.O.'s National Provider Identifier (NPI) is 1700043692, issued on May 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gwynn Antonson, D.O. located?
The NPPES record lists a practice address at 4020 Jerry Murphy RD, Pueblo, CO, 81001. Phone: (719) 546-3600. Providers update this record themselves, so call before visiting.
How can I verify Gwynn Antonson, D.O.'s license?
NPPES lists Colorado license number 0050578, 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 Gwynn Antonson, D.O. prescribe under Medicare Part D?
In 2024, Gwynn Antonson, D.O. had 5,246 Medicare Part D claims for 334 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Gwynn Antonson, D.O.'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.