Rebecca Walmsley Powell, PA-C
Medical Physician Assistant · Highlands Ranch, CO
Rebecca Walmsley Powell, PA-C is a medical physician assistant with a practice address in Highlands Ranch, Colorado, and NPI 1467850446, issued on Dec 8, 2014. Check the license (Colorado PA.0004134, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rebecca Walmsley Powell
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA.0004134 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Park Central Dr, Highlands Ranch, CO 80129
- Phone
- (303) 738-8700
- Enumerated
- Dec 8, 2014
- Record last updated
- Sep 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20150317000695); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,308 in Colorado → Look up another NPI →
Also registered at 1500 Park Central Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rebecca Walmsley Powell 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.0004134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average medical physician assistant in 2024
511 Medicare Part D claims for 184 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 24 claims were for opioids.
Most prescribed
- Anastrozole65 claims
- Tamoxifen Citrate39 claims
- Gabapentin23 claims
- Letrozole19 claims
- Prednisone18 claims
- Acyclovir16 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: $281.35
5 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Rebecca Walmsley Powell among 1,308 medical physician assistant records in Colorado
Rebecca Walmsley Powell, 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 2014, is newer than 56% of them.
- NPI issued2014 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2014 · median 2014 among the 727 with a school on file
- Record last updated2025 · 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 Highlands Ranch → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Joseph Cari, PA-CHighlands Ranch, CO 801291265819429
- Constance Cerjan, PA-CHighlands Ranch, CO 801291881655314
- James Dillingham, PAHighlands Ranch, CO 801291518297480
- Nicolette HolcombHighlands Ranch, CO 801291568152361
- Betty Mitchell, PAHighlands Ranch, CO 801291821125881
- Jennifer Nafziger, PAHighlands Ranch, CO 801291093111882
- Chelsea Schweid, PA-CHighlands Ranch, CO 801291669598470
- Megan Thoms, P.A.Highlands Ranch, CO 801291053678854
Common questions
What is Rebecca Walmsley Powell, PA-C's NPI number?
Rebecca Walmsley Powell, PA-C's National Provider Identifier (NPI) is 1467850446, issued on Dec 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Walmsley Powell, PA-C located?
The NPPES record lists a practice address at 1500 Park Central Dr, Highlands Ranch, CO, 80129. Phone: (303) 738-8700. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Walmsley Powell, PA-C's license?
NPPES lists Colorado license number PA.0004134, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Rebecca Walmsley Powell, PA-C prescribe under Medicare Part D?
In 2024, Rebecca Walmsley Powell, PA-C had 511 Medicare Part D claims for 184 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Rebecca Walmsley Powell, PA-C'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.