Alexis Sierra Foster, PA-C
Medical Physician Assistant · King Of Prussia, PA
Alexis Sierra Foster, PA-C is a medical physician assistant with a practice address in King Of Prussia, Pennsylvania, and NPI 1346840972, issued on Nov 1, 2020. Check the license (Pennsylvania MA063973, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexis Sierra Foster
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- MA063973 PA
1502598 KS
4322 TN
Self-reported in NPPES; status is on the state search - Practice location
- 150 S Warner RD Ste 130, King Of Prussia, PA 19406
- Phone
- (610) 400-4885
- Enumerated
- Nov 1, 2020
- Record last updated
- Mar 17, 2026
- Fax
- (610) 273-5542
- Medicare enrollment
- Enrolled (PECOS I20230127000211); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 150 S Warner RD Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Londa Antoian, LCSWClinical Social Worker1447178819
- Emily BritcherClinical Social Worker1932572799
- Martisha BrownProfessional Counselor1093683161
- Gloria Browne Forman, MA, CAADC,LPCProfessional Counselor1316551641
- Jaclyn Cimiluca, RDNRegistered Dietitian1073040853
- Shanelle Ford, MA, LAPCProfessional Counselor1285584516
Verify Alexis Sierra Foster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA063973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average medical physician assistant in 2024
1,064 Medicare Part D claims for 58 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Quetiapine Fumarate73 claims
- Trazodone Hcl69 claims
- Lamotrigine63 claims
- Clonazepam51 claims
- Topiramate46 claims
- Buspirone Hcl44 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.
Industry payments in 2024: $318.09
4 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. 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.
2 hospitals and group practices
- Kanza Mental Health And Guidance Center, Inc.Hiawatha, KS
- Sheridan County HospitalHoxie, KS · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Medical Physician Assistant providers in Pennsylvania
There are 3,897 medical physician assistant records in Pennsylvania.
All 3,897 in Pennsylvania → Every provider in King Of Prussia →
Other medical physician assistant records in Pennsylvania
- Savannah Aanderud, PA-CErie, PA1811625437
- Kathryn Abadi, PA-CWellsboro, PA1407034077
- Michael Abbott, PA-CPittsburgh, PA1942815915
- Patricia Abbott, PA-CPhiladelphia, PA1316011018
- Paul AbbottButler, PA1114903093
- Bashera Abdul-Hadi, PA-CPhiladelphia, PA1174570329
- Danielle Abel, PA-CSewickley, PA1255751731
- Nicallina Abel, PA-CTrevose, PA1043862592
- Maria Abraham, PA-CBethel Park, PA1124176821
- Sarah Abraham, PA-CPittsburgh, PA1518293448
Common questions
What is Alexis Sierra Foster, PA-C's NPI number?
Alexis Sierra Foster, PA-C's National Provider Identifier (NPI) is 1346840972, issued on Nov 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alexis Sierra Foster, PA-C located?
The NPPES record lists a practice address at 150 S Warner RD Ste 130, King Of Prussia, PA, 19406. Phone: (610) 400-4885. Providers update this record themselves, so call before visiting.
How can I verify Alexis Sierra Foster, PA-C's license?
NPPES lists Pennsylvania license number MA063973, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Alexis Sierra Foster, PA-C prescribe under Medicare Part D?
In 2024, Alexis Sierra Foster, PA-C had 1,064 Medicare Part D claims for 58 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.