Jeffrey Hershkowitz, D.O.
Internal Medicine Physician · Galesburg, IL
Jeffrey Hershkowitz, D.O. is an internal medicine physician with a practice address in Galesburg, Illinois, and NPI 1922101104, issued on Sep 6, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Hershkowitz
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 3315 N Seminary St, Galesburg, IL 61401
- Phone
- (309) 344-1000
- Enumerated
- Sep 6, 2006
- Entity
- Type 1 · individual
Also registered at 3315 N Seminary St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angela Bickett, APNNurse Practitioner1669022752
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Verify Jeffrey Hershkowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
9.4 times the Medicare Part D claims of the average internal medicine physician in 2024
26,272 Medicare Part D claims for 1,329 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 1,047 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,255 claims
- Levothyroxine Sodium1,028 claims
- Gabapentin674 claims
- Lisinopril663 claims
- Furosemide638 claims
- Hydrocodone-Acetaminophen570 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.
Industry payments in 2024: $3,750.38
84 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 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.
2 hospital and facility affiliations
- St Mary Medical CenterGalesburg, IL · Acute Care Hospitals2 of 5 stars
- Osf Multi-Specialty GroupGalesburg, 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.
9 internal medicine physician records list a Galesburg practice address
They are 9 of the 526 NPPES records with a Galesburg practice address, and 8,522 internal medicine physician records in Illinois.
All 9 in Galesburg → All 8,522 in Illinois → Every provider in Galesburg →
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 Jeffrey Hershkowitz, D.O.'s NPI number?
Jeffrey Hershkowitz, D.O.'s National Provider Identifier (NPI) is 1922101104, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Hershkowitz, D.O. located?
The NPPES record lists a practice address at 3315 N Seminary St, Galesburg, IL, 61401. Phone: (309) 344-1000. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Hershkowitz, D.O.'s license?
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 Jeffrey Hershkowitz, D.O. prescribe under Medicare Part D?
In 2024, Jeffrey Hershkowitz, D.O. had 26,272 Medicare Part D claims for 1,329 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
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.