Nathaniel Brian Schaefer, PA-C
Physician Assistant · Wheaton, IL
Nathaniel Brian Schaefer, PA-C is a physician assistant with a practice address in Wheaton, Illinois, and NPI 1992080048, issued on Oct 19, 2011. Check the license (Illinois 085-009217, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Brian Schaefer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 085-009217 IL
0110-003690 VA
Self-reported in NPPES; status is on the state search - Practice location
- 199 Town SQ Ste A, Wheaton, IL 60189
- Phone
- (630) 871-6690
- Enumerated
- Oct 19, 2011
- Record last updated
- Nov 3, 2023
- Fax
- (630) 547-5019
- Medicare enrollment
- Enrolled (PECOS I20231006003136); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2011
- Entity
- Type 1 · individual
Also registered at 199 Town SQ Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elana Dubin, PA-CPhysician Assistant1013307347
- Alyse Farrar, PA-CPhysician Assistant1205559242
- Kimberly Guyton, PA-CPhysician Assistant1609496058
Verify Nathaniel Brian Schaefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085-009217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average physician assistant in 2024
228 Medicare Part D claims for 128 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide50 claims
- Ketoconazole31 claims
- Betamethasone Diprop Augmented26 claims
- Clobetasol Propionate16 claims
- Doxycycline Hyclate15 claims
- Tacrolimus14 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): 97.6 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: $1,494.35
36 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
- Dupage Medical Group LtdWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
29 physician assistant records list a practice address in Wheaton
They are 29 of the 2,468 NPPES records with a practice address in Wheaton, and 4,926 physician assistant records in Illinois.
All 29 in Wheaton → All 4,926 in Illinois → Every provider in Wheaton →
Other physician assistant records in Illinois
- Brooke Aarhus, PA-CPark Ridge, IL1760985469
- Sana Abbasi, PACarol Stream, IL1831803295
- Susan Abbinanti, PA-CElk Grove Village, IL1679647358
- Katheryn Abbott, PASchaumburg, IL1356842082
- Noor Abdelrahman, PA-CChicago, IL1851012413
- Amer Abdulghafoor, MSW, MS, PA-CChicago, IL1619401718
- Kazuko Abe, P.A.Chicago, IL1881840783
- Greta Abel, PA-CWheaton, IL1174844096
- Derrik AbellAnna, IL1821618471
- Jeanine Aberbook, PA-CChicago, IL1518664176
Common questions
What is Nathaniel Brian Schaefer, PA-C's NPI number?
Nathaniel Brian Schaefer, PA-C's National Provider Identifier (NPI) is 1992080048, issued on Oct 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Brian Schaefer, PA-C located?
The NPPES record lists a practice address at 199 Town SQ Ste A, Wheaton, IL, 60189. Phone: (630) 871-6690. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Brian Schaefer, PA-C's license?
NPPES lists Illinois license number 085-009217, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Nathaniel Brian Schaefer, PA-C prescribe under Medicare Part D?
In 2024, Nathaniel Brian Schaefer, PA-C had 228 Medicare Part D claims for 128 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Nathaniel Brian Schaefer, PA-C's MIPS final score?
The 2023 MIPS final score is 97.6 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.