Ann Margaret Shimkus, PA-C
Medical Physician Assistant · Wheat Ridge, CO
Ann Margaret Shimkus, PA-C is a medical physician assistant with a practice address in Wheat Ridge, Colorado, and NPI 1457318172, issued on Apr 27, 2006. Check the license (Colorado 992, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann Margaret Shimkus
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 992 CO
Self-reported in NPPES; status is on the state search - Practice location
- 8300 W 38TH Ave, Wheat Ridge, CO 80033
- Phone
- (303) 425-2098
- Enumerated
- Apr 27, 2006
- Record last updated
- Oct 20, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 47022728 CO
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,308 in Colorado → Look up another NPI →
Also registered at 8300 W 38TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Abromaitis, M.D.Anesthesiology Physician1205277449
- Rebecca Althouse, PAMedical Physician Assistant1740299064
- Dianne Ansari Winn, MDAnesthesiology Physician1396720298
- Kerry Arellana, NPCritical Care Neonatal Nurse Practitioner1396040044
- Lee Anne Auerhan, M.D.Anesthesiology Physician1437196094
- Elin Bartell, MDEmergency Medical Services (Emergency Medicine) Physician1548272354
Verify Ann Margaret Shimkus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average medical physician assistant in 2024
223 Medicare Part D claims for 126 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Prednisone20 claims
- Ondansetron Hcl19 claims
- Oxycodone Hcl17 claims
- Amoxicillin-Clavulanate Potass12 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.
Ann Margaret Shimkus among 1,308 medical physician assistant records in Colorado
Ann Margaret Shimkus, PA-C is one of 1,308 medical physician assistant records with a practice address in Colorado. 72% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 79% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Colorado
There are 1,308 medical physician assistant records in Colorado.
All 1,308 in Colorado → Every provider in Wheat Ridge → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Rebecca Althouse, PAWheat Ridge, CO 800331740299064
- Lisa-Tsin Cook, PA-CWheat Ridge, CO 800331356391320
- Candace Direzza, PACWheat Ridge, CO 800331942251228
- Simon Edwards, PA-CWheat Ridge, CO 800331013966092
- Krista Enns, PA-CWheat Ridge, CO 800331124302807
- Erik Fedor, PHYSICIAN ASSISTANTWheat Ridge, CO 800331285886887
- Aaron Hebenstreit, PA-CWheat Ridge, CO 800331295082378
- Amity Helzer, M.M.S., PA-CWheat Ridge, CO 800331013069566
Common questions
What is Ann Margaret Shimkus, PA-C's NPI number?
Ann Margaret Shimkus, PA-C's National Provider Identifier (NPI) is 1457318172, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Margaret Shimkus, PA-C located?
The NPPES record lists a practice address at 8300 W 38TH Ave, Wheat Ridge, CO, 80033. Phone: (303) 425-2098. Providers update this record themselves, so call before visiting.
How can I verify Ann Margaret Shimkus, PA-C's license?
NPPES lists Colorado license number 992, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Ann Margaret Shimkus, PA-C prescribe under Medicare Part D?
In 2024, Ann Margaret Shimkus, PA-C had 223 Medicare Part D claims for 126 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.