Ashley Stemley, P.A.-C
Medical Physician Assistant · Redlands, CA
Ashley Stemley, P.A.-C is a medical physician assistant with a practice address in Redlands, California, and NPI 1942582739, issued on Sep 16, 2011. Check the license (California PA21822, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley Stemley
- Credential
- P.A.-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA21822 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Terracina Blvd, Redlands, CA 92373
- Phone
- (909) 335-5600
- Enumerated
- Sep 16, 2011
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20111107000755); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 350 Terracina Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dominique Bazanos, LIFESTYLE COACHCommunity Health Registered Nurse1407624711
- Deborah Behringer, MDEmergency Medicine Physician1003094699
- Luke Buxton, DOPulmonary Disease Physician1548792161
Verify Ashley Stemley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average medical physician assistant in 2024
1,712 Medicare Part D claims for 490 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Clobetasol Propionate271 claims
- Ketoconazole224 claims
- Triamcinolone Acetonide165 claims
- Doxycycline Hyclate143 claims
- Hydrocortisone141 claims
- Dupixent Pen59 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 practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,499.22
102 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme 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.
Bills Medicare through one group practice
- Pacific Dermatology InstituteVictorville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley Stemley among 3,376 medical physician assistant records in California
Ashley Stemley, P.A.-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 46% of them.
- NPI issued2011 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2011 · median 2012 among the 1,347 with a school on file
- Record last updated2022 · 54% 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 California 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 California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Redlands → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Hala Azmi, PA-C, MMSRedlands, CA 923731710412499
- Robert Fajardo, PARedlands, CA 923731194789750
- Robert Karras, MSPAS, PA-CRedlands, CA 923731154621985
- Christen Lee, PARedlands, CA 923731710280383
- Shannon Mullen, PARedlands, CA 923731992173017
- Heather Parlett, PA-CRedlands, CA 923731750571725
- Joseph Robles, PA-CRedlands, CA 923731700283918
- Andrew Russ, PA-CRedlands, CA 923731457895054
Common questions
What is Ashley Stemley, P.A.-C's NPI number?
Ashley Stemley, P.A.-C's National Provider Identifier (NPI) is 1942582739, issued on Sep 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Stemley, P.A.-C located?
The NPPES record lists a practice address at 350 Terracina Blvd, Redlands, CA, 92373. Phone: (909) 335-5600. Providers update this record themselves, so call before visiting.
How can I verify Ashley Stemley, P.A.-C's license?
NPPES lists California license number PA21822, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley Stemley, P.A.-C prescribe under Medicare Part D?
In 2024, Ashley Stemley, P.A.-C had 1,712 Medicare Part D claims for 490 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Ashley Stemley, P.A.-C's MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. 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.