Joseph C. Darin
Physician Assistant · Grafton, WI
Joseph C. Darin is a physician assistant with a practice address in Grafton, Wisconsin, and NPI 1124353883, issued on Oct 13, 2009. Check the license (Wisconsin 4380, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph C. Darin
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 4380 WI
1084942 GA
Self-reported in NPPES; status is on the state search - Practice location
- 215 Washington St, Grafton, WI 53024
- Phone
- (262) 375-3700
- Enumerated
- Oct 13, 2009
- Record last updated
- Mar 7, 2022
- Fax
- (262) 376-6032
- Medicaid ID
- 1124353883 WI
- Medicare enrollment
- Enrolled (PECOS I20190102002205); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 215 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Terence Beilfuss, P.T.Physical Therapist1376574640
- Adam Calusic, DOFamily Medicine Physician1790713436
- Alexandra Carley, M.D.Dermatology Physician1083843114
Verify Joseph C. Darin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average physician assistant in 2024
360 Medicare Part D claims for 252 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass42 claims
- Prednisone41 claims
- Doxycycline Hyclate37 claims
- Azithromycin36 claims
- Cefdinir28 claims
- Albuterol Sulfate Hfa25 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.
Bills Medicare through one group practice
- Aurora Advanced Healthcare, Inc.Mequon, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph C. Darin among 3,475 physician assistant records in Wisconsin
Joseph C. Darin is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 31% of them.
- NPI issued2009 · 31% of these records are older, 67% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2008 · median 2016 among the 2,491 with a school on file
- Record last updated2022 · 38% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 physician assistant records list a practice address in Grafton
They are 33 of the 459 NPPES records with a practice address in Grafton, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Grafton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Heidi Bauwens, PA-CGrafton, WI 530241316382211
- Kelsey BeaupreGrafton, WI 530241154703593
- Kristina Elfe, PA-CGrafton, WI 530241497063036
- Carmen Glime, PAGrafton, WI 530241699796763
- Kristin Humpal, PA-CGrafton, WI 530241558524868
- Christopher Kelley, PA-CGrafton, WI 530241871529818
- Scott Mehlos, PA-CGrafton, WI 530241336170562
- Kelly Miller, P.A.Grafton, WI 530241770505513
Common questions
What is Joseph C. Darin's NPI number?
Joseph C. Darin's National Provider Identifier (NPI) is 1124353883, issued on Oct 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Joseph C. Darin located?
The NPPES record lists a practice address at 215 Washington St, Grafton, WI, 53024. Phone: (262) 375-3700. Providers update this record themselves, so call before visiting.
How can I verify Joseph C. Darin's license?
NPPES lists Wisconsin license number 4380, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph C. Darin prescribe under Medicare Part D?
In 2024, Joseph C. Darin had 360 Medicare Part D claims for 252 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.