Michelle Amanda Althouse, P.A.
Physician Assistant · Westminster, CO
Michelle Amanda Althouse, P.A. is a physician assistant with a practice address in Westminster, Colorado, and NPI 1639543317, issued on Nov 18, 2015. Check the license (Colorado PA.0004461, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michelle Amanda Althouse
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA.0004461 CO
Self-reported in NPPES; status is on the state search - Practice location
- 500 W 144TH Ave Ste 230, Westminster, CO 80023
- Phone
- (303) 665-2603
- Enumerated
- Nov 18, 2015
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (303) 665-2605
- Medicare enrollment
- Enrolled (PECOS I20160111000201); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 500 W 144TH Ave Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nathan Bascom, DOAdult Reconstructive Orthopaedic Surgery Physician1477048288
- David Bierbrauer, MDOrthopaedic Hand Surgery Physician1215917877
- Tara Butler, DPTOrthopedic Physical Therapist1376150730
- Efren Caballes, D.O.Sports Medicine (Physical Medicine & Rehabilitation) Physician1760770879
- William Ciccone, M.D.Orthopaedic Surgery Physician1568414662
- Michael Clendenin, MDSurgery of the Hand (Surgery) Physician1316904881
Verify Michelle Amanda Althouse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PA.0004461Check 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 physician assistant in 2024
45 Medicare Part D claims for 30 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Oxycodone Hcl14 claims
- Methocarbamol11 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.
Bills Medicare through one group practice
- Orthopedic Centers OF Colorado LLCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Amanda Althouse among 3,767 physician assistant records in Colorado
Michelle Amanda Althouse, P.A. is one of 3,767 physician assistant 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 2015, is newer than 47% of them.
- NPI issued2015 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2017 among the 2,351 with a school on file
- Record last updated2018 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 physician assistant records list a practice address in Westminster
They are 54 of the 2,492 NPPES records with a practice address in Westminster, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Westminster → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Hannah Audet, PA-CWestminster, CO 800231124615356
- Kathryn Calderwood, PA-CWestminster, CO 800231255825089
- Miles Hamberg, PA-CWestminster, CO 800231275266629
- Ellie HimyakBroomfield, CO 800231407740194
- Kevin Lee, PA-CBroomfield, CO 800231952852196
- Jennie Miller, PA-CThornton, CO 800231427187780
- Kendra Newman, PA-CWestminster, CO 800231356035406
- Courtney Rainwater, PAWestminster, CO 800231962136929
Common questions
What is Michelle Amanda Althouse, P.A.'s NPI number?
Michelle Amanda Althouse, P.A.'s National Provider Identifier (NPI) is 1639543317, issued on Nov 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Amanda Althouse, P.A. located?
The NPPES record lists a practice address at 500 W 144TH Ave Ste 230, Westminster, CO, 80023. Phone: (303) 665-2603. Providers update this record themselves, so call before visiting.
How can I verify Michelle Amanda Althouse, P.A.'s license?
NPPES lists Colorado license number PA.0004461, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Michelle Amanda Althouse, P.A. prescribe under Medicare Part D?
In 2024, Michelle Amanda Althouse, P.A. had 45 Medicare Part D claims for 30 beneficiaries; the average among physician assistant prescribers was 830. 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.