Diego A. Arenas, PA-C
Physician Assistant · Vernon Hills, IL
Diego A. Arenas, PA-C is a physician assistant with a practice address in Vernon Hills, Illinois, and NPI 1659023364, issued on Jan 24, 2022. Check the license (Illinois 085009840, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diego A. Arenas
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085009840 IL
Self-reported in NPPES; status is on the state search - Practice location
- 870 N Milwaukee Ave, Vernon Hills, IL 60061
- Phone
- (847) 475-2273
- Enumerated
- Jan 24, 2022
- Record last updated
- Sep 25, 2023
- Fax
- (847) 535-7761
- Medicare enrollment
- Enrolled (PECOS I20230921002215); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 870 N Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizah Becker, PA-CPhysician Assistant1396484895
- Juliana Bindas, APRN, CNPNurse Practitioner1912693417
- Alana Cheplowitz, PA-CPhysician Assistant1437616265
- Veronica Fernandez, FNP-CNurse Practitioner1720332877
- Sarah Fugelseth, APRN, CNPNurse Practitioner1336678739
- Priya Gambhir, M.D.Family Medicine Physician1255565990
Verify Diego A. Arenas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085009840Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
234 Medicare Part D claims for 163 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass31 claims
- Doxycycline Hyclate19 claims
- Azelastine Hcl18 claims
- Cephalexin17 claims
- Prednisone16 claims
- Nitrofurantoin Mono-Macro14 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
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diego A. Arenas among 4,926 physician assistant records in Illinois
Diego A. Arenas, 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 2022, is newer than 71% of them.
- NPI issued2022 · 71% of these records are older, 22% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2023 · median 2019 among the 3,407 with a school on file
- Record last updated2023 · 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).
16 physician assistant records list a practice address in Vernon Hills
They are 16 of the 704 NPPES records with a practice address in Vernon Hills, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Vernon Hills → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizah Becker, PA-CVernon Hills, IL 600611396484895
- Alana Cheplowitz, PA-CVernon Hills, IL 600611437616265
- Ryan Colon, PA-CVernon Hills, IL 600611134648389
- Eric Dahms, PA-CVernon Hills, IL 600611619494259
- Parinita Ezhilarasan, PA-CVernon Hills, IL 600611992535108
- Deanne Giannola, PA-CVernon Hills, IL 600611962733253
- Julia Mintz, PA-CVernon Hills, IL 600611881080646
- Rina PatelVernon Hills, IL 600611770119851
Common questions
What is Diego A. Arenas, PA-C's NPI number?
Diego A. Arenas, PA-C's National Provider Identifier (NPI) is 1659023364, issued on Jan 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Diego A. Arenas, PA-C located?
The NPPES record lists a practice address at 870 N Milwaukee Ave, Vernon Hills, IL, 60061. Phone: (847) 475-2273. Providers update this record themselves, so call before visiting.
How can I verify Diego A. Arenas, PA-C's license?
NPPES lists Illinois license number 085009840, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Diego A. Arenas, PA-C prescribe under Medicare Part D?
In 2024, Diego A. Arenas, PA-C had 234 Medicare Part D claims for 163 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.