Melissa Kay Best, PAC
Physician Assistant · Oswego, IL
Melissa Kay Best, PAC is a physician assistant with a practice address in Oswego, Illinois, and NPI 1538109947, issued on Jun 7, 2006. Check the license (Illinois 085-002290, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Kay Best
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085-002290 IL
Self-reported in NPPES; status is on the state search - Practice location
- 80 Templeton Drive, Oswego, IL 60543
- Phone
- (630) 554-3456
- Enumerated
- Jun 7, 2006
- Record last updated
- Feb 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20050119000371); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Verify Melissa Kay Best in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085-002290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average physician assistant in 2024
120 Medicare Part D claims for 97 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Doxycycline Hyclate22 claims
- Amoxicillin-Clavulanate Potass12 claims
- Cephalexin12 claims
- Fluticasone Propionate11 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): 91.4 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: $22.04
1 payment: food and beverage; the largest payer was Pfizer 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
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Kay Best among 4,926 physician assistant records in Illinois
Melissa Kay Best, PAC is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 88% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2004 · median 2019 among the 3,407 with a school on file
- Record last updated2022 · 35% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 physician assistant records list a practice address in Oswego
They are 5 of the 516 NPPES records with a practice address in Oswego, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Oswego → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mary HarshbergerOswego, IL 605431811846512
- Ramona Kitching, PA-COswego, IL 605431144238684
- Taylor Poynter, PAOswego, IL 605431780108225
- Sharon Shieh, PAOswego, IL 605431366563280
- Leigh Agombar Wolf, PAPlainfield, IL 605441275056418
- Paul Bamberger, PA-CNorth Aurora, IL 605421619469277
- Robert Boer, DC, PANorth Aurora, IL 605421649390014
- Joshua Fink, PA-CPlainfield, IL 605441518360445
Common questions
What is Melissa Kay Best, PAC's NPI number?
Melissa Kay Best, PAC's National Provider Identifier (NPI) is 1538109947, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Kay Best, PAC located?
The NPPES record lists a practice address at 80 Templeton Drive, Oswego, IL, 60543. Phone: (630) 554-3456. Providers update this record themselves, so call before visiting.
How can I verify Melissa Kay Best, PAC's license?
NPPES lists Illinois license number 085-002290, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Kay Best, PAC prescribe under Medicare Part D?
In 2024, Melissa Kay Best, PAC had 120 Medicare Part D claims for 97 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Melissa Kay Best, PAC's MIPS final score?
The 2023 MIPS final score is 91.4 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.