Sarah Siak, PAC MPAS
Physician Assistant · Kissimmee, FL
Sarah Siak, PAC MPAS is a physician assistant with a practice address in Kissimmee, Florida, and NPI 1285624726, issued on Oct 26, 2005. Check the license (Florida PA9101340, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Sarah Siak
- Credential
- PAC MPAS
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA9101340 FL
Self-reported in NPPES; status is on the state search - Practice location
- 725 E Oak St, Kissimmee, FL 34744
- Phone
- (407) 846-7546
- Enumerated
- Oct 26, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (407) 933-1001
- Medicare enrollment
- Enrolled (PECOS I20050507000052); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 725 E Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suhani Brahmbhatt, PA-CPhysician Assistant1518712066
- Anthony Debonis, ARNPNurse Practitioner1679747406
- James Gordon, MDDermatology Physician1598755043
- Deborah Leblanc, PA-CPhysician Assistant1538387014
- William Steele, MDDermatology Physician1619967189
- Michael Steppie, MDProcedural Dermatology Physician1942290499
Verify Sarah Siak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license PA9101340Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average physician assistant in 2024
1,164 Medicare Part D claims for 356 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Ketoconazole142 claims
- Triamcinolone Acetonide77 claims
- Ciclopirox73 claims
- Hydrocortisone71 claims
- Clobetasol Propionate68 claims
- Minoxidil61 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): 77.3 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: $3,749.69
189 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Leavitt Medical Associates OF Florida IncOviedo, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
77 physician assistant records list a practice address in Kissimmee
They are 77 of the 5,568 NPPES records with a practice address in Kissimmee, and 10,257 physician assistant records in Florida.
All 77 in Kissimmee → All 10,257 in Florida → Every provider in Kissimmee →
Other physician assistant records in Florida
- Kiersten AabergPensacola, FL1285572669
- Timothy Aamland, PA-CGainesville, FL1912953183
- Cathy Aaron, PA-CPensacola, FL1386892289
- Joseph AbadiotakisGainesville, FL1215867999
- Monica Abare, PA-COrlando, FL1275708141
- Anthony Abate, PA-COrange Park, FL1588411623
- Sara Abbas, PA-CJacksonville, FL1356121206
- Sogand AbbasiPalm Harbor, FL1205608197
- Ben Abbott, PA-CCape Coral, FL1891521399
- Melissa Abbott, PA-CCape Coral, FL1780818724
Common questions
What is Sarah Siak, PAC MPAS's NPI number?
Sarah Siak, PAC MPAS's National Provider Identifier (NPI) is 1285624726, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Siak, PAC MPAS located?
The NPPES record lists a practice address at 725 E Oak St, Kissimmee, FL, 34744. Phone: (407) 846-7546. Providers update this record themselves, so call before visiting.
How can I verify Sarah Siak, PAC MPAS's license?
NPPES lists Florida license number PA9101340, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sarah Siak, PAC MPAS prescribe under Medicare Part D?
In 2024, Sarah Siak, PAC MPAS had 1,164 Medicare Part D claims for 356 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Sarah Siak, PAC MPAS's MIPS final score?
The 2023 MIPS final score is 77.3 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.