David Mason, PA-C
Physician Assistant · West Frankfort, IL
David Mason, PA-C is a physician assistant with a practice address in West Frankfort, Illinois, and NPI 1649210766, issued on Jun 7, 2006. Check the license (Illinois 085002553, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Mason
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085002553 IL
Self-reported in NPPES; status is on the state search - Practice location
- 502 W Saint Louis St Ste 4, West Frankfort, IL 62896
- Phone
- (618) 937-3400
- Enumerated
- Jun 7, 2006
- Record last updated
- Jan 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (618) 997-9324
- Medicare enrollment
- Enrolled (PECOS I20051103000620); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 502 W Saint Louis St Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Dinga, PA-CPhysician Assistant1992894703
- Janalyn Elwood, NPNurse Practitioner1346952728
- Travis Seddon, NP-CNurse Practitioner1265103006
- Amy Stacey, PAPhysician Assistant1962041830
- Adam Waller, NPNurse Practitioner1508476615
Verify David Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085002553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average physician assistant in 2024
762 Medicare Part D claims for 490 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 514 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen427 claims
- Methylprednisolone122 claims
- Tramadol Hcl54 claims
- Meloxicam30 claims
- Oxycodone-Acetaminophen21 claims
- Cephalexin19 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): 86.1 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: $85.15
6 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals 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 2 group practices
- Select Physical Therapy Holdings IncBenton, IL
- Southern Orthopedic Associates SCHerrin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Mason among 4,926 physician assistant records in Illinois
David Mason, PA-C 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
- Graduated2005 · median 2019 among the 3,407 with a school on file
- Record last updated2021 · 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 West Frankfort
They are 5 of the 353 NPPES records with a practice address in West Frankfort, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in West Frankfort → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Robert Dinga, PA-CWest Frankfort, IL 628961992894703
- Angela Henson, PA-CWest Frankfort, IL 628961497907737
- Alicia Markley, PA-CWest Frankfort, IL 628961912008020
- Amy Stacey, PAWest Frankfort, IL 628961962041830
- Lisa Feather, PA-CWayne City, IL 628951477554228
- Sherry Locey, PA-CWayne City, IL 628951265446199
- Patricia Boudet, PACarbondale, IL 629011841237120
- Mary Brandenburg, PACarbondale, IL 629011649385873
Common questions
What is David Mason, PA-C's NPI number?
David Mason, PA-C's National Provider Identifier (NPI) is 1649210766, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Mason, PA-C located?
The NPPES record lists a practice address at 502 W Saint Louis St Ste 4, West Frankfort, IL, 62896. Phone: (618) 937-3400. Providers update this record themselves, so call before visiting.
How can I verify David Mason, PA-C's license?
NPPES lists Illinois license number 085002553, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does David Mason, PA-C prescribe under Medicare Part D?
In 2024, David Mason, PA-C had 762 Medicare Part D claims for 490 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is David Mason, PA-C's MIPS final score?
The 2023 MIPS final score is 86.1 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.