Mark C. Mering, PA-C
Physician Assistant · Belvidere, IL
Mark C. Mering, PA-C is a physician assistant with a practice address in Belvidere, Illinois, and NPI 1154506731, issued on Jan 2, 2008. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark C. Mering
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1663 Belvidere RD, Belvidere, IL 61008
- Phone
- (815) 544-0040
- Enumerated
- Jan 2, 2008
- Record last updated
- Jan 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (815) 544-0048
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 1663 Belvidere RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Edge, FNPFamily Nurse Practitioner1568228831
- Carrie Kooyenga, PTAPhysical Therapy Assistant1942450515
- Lisa Nolden, PTAPhysical Therapy Assistant1093029092
- Taylor Watkins, PAPhysician Assistant1609491547
- Thomas Zastrow, PA-CPhysician Assistant1679193460
Verify Mark C. Mering in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
180 Medicare Part D claims for 151 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Cephalexin26 claims
- Amoxicillin-Clavulanate Potass21 claims
- Prednisone19 claims
- Amoxicillin12 claims
- Azithromycin11 claims
- Naproxen11 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.
Mark C. Mering among 4,926 physician assistant records in Illinois
Mark C. Mering, 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 2008, is newer than 17% of them.
- NPI issued2008 · 17% of these records are older, 81% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2008 · 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).
3 physician assistant records list a practice address in Belvidere
They are 3 of the 194 NPPES records with a practice address in Belvidere, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Belvidere → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Taylor Watkins, PABelvidere, IL 610081609491547
- Thomas Zastrow, PA-CBelvidere, IL 610081679193460
- Colline Gusse, PAAshton, IL 610061295706505
- Della Croft, PACDixon, IL 610211154347359
- Angela Danielson, PA-CDixon, IL 610211164676896
- Meghan Jurgaitis, PA-CDixon, IL 610211568962009
- Courtney Malinowski, PA-CDixon, IL 610211346040466
- Courtney Teller, PA-CDixon, IL 610211417208505
Common questions
What is Mark C. Mering, PA-C's NPI number?
Mark C. Mering, PA-C's National Provider Identifier (NPI) is 1154506731, issued on Jan 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark C. Mering, PA-C located?
The NPPES record lists a practice address at 1663 Belvidere RD, Belvidere, IL, 61008. Phone: (815) 544-0040. Providers update this record themselves, so call before visiting.
How can I verify Mark C. Mering, PA-C's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mark C. Mering, PA-C prescribe under Medicare Part D?
In 2024, Mark C. Mering, PA-C had 180 Medicare Part D claims for 151 beneficiaries; the average among physician assistant prescribers was 830. 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.