Aron Feinberg, DO
Internal Medicine Physician · Northfield, IL
Aron Feinberg, DO is an internal medicine physician with a practice address in Northfield, Illinois, and NPI 1902967169, issued on Dec 12, 2006. Check the license (Illinois 036-087314, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Aron Feinberg
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-087314 IL
Self-reported in NPPES; status is on the state search - Practice location
- 211 Waukegan RD Ste 200, Northfield, IL 60093
- Phone
- (847) 242-6600
- Enumerated
- Dec 12, 2006
- Entity
- Type 1 · individual
Also registered at 211 Waukegan RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Bicknese, M.D.Internal Medicine Physician1356527774
- Alpa Modi, DOInternal Medicine Physician1528178712
- Jeena Padath, M.DInternal Medicine Physician1801152111
- Matthew Serafin, MDInternal Medicine Physician1720573157
- Susan Shapiro, MDInternal Medicine Physician1326026139
Verify Aron Feinberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-087314Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
9,745 Medicare Part D claims for 792 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 312 claims were for opioids.
Most prescribed
- Atorvastatin Calcium903 claims
- Levothyroxine Sodium419 claims
- Losartan Potassium329 claims
- Amlodipine Besylate287 claims
- Rosuvastatin Calcium278 claims
- Lisinopril250 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 Medicare quality score for 2023: 93.1 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).
One hospital or facility affiliation
- Endeavor Health Medical GroupNorthfield, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
10 internal medicine physician records list a Northfield practice address
They are 10 of the 550 NPPES records with a Northfield practice address, and 8,522 internal medicine physician records in Illinois.
All 10 in Northfield → All 8,522 in Illinois → Every provider in Northfield →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Aron Feinberg, DO's NPI number?
Aron Feinberg, DO's National Provider Identifier (NPI) is 1902967169, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aron Feinberg, DO located?
The NPPES record lists a practice address at 211 Waukegan RD Ste 200, Northfield, IL, 60093. Phone: (847) 242-6600. Providers update this record themselves, so call before visiting.
How can I verify Aron Feinberg, DO's license?
NPPES lists Illinois license number 036-087314, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aron Feinberg, DO prescribe under Medicare Part D?
In 2024, Aron Feinberg, DO had 9,745 Medicare Part D claims for 792 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Aron Feinberg, DO's Medicare quality score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.