David Greenberg, M.D.
Emergency Medicine Physician · Barrington, IL
David Greenberg, M.D. is an emergency medicine physician with a practice address in Barrington, Illinois, and NPI 1598705659, issued on Jun 7, 2006. Check the license (Illinois 036109738, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- David Greenberg
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036109738 IL
50862-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 450 W Highway 22, Barrington, IL 60010
- Phone
- (847) 842-4488
- Enumerated
- Jun 7, 2006
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050909000667); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 450 W Highway 22
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Greenberg 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 036109738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average emergency medicine physician in 2024
378 Medicare Part D claims for 284 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen49 claims
- Prednisone29 claims
- Cefadroxil27 claims
- Amoxicillin-Clavulanate Potass17 claims
- Methylprednisolone16 claims
- Cephalexin15 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 3 group practices
- City OF Hope Medical Group OF Illinois PLLCZion, IL
- Crystal Lake Immediate Care Physicians Ltd.Crystal Lake, IL
- Tri-County Emergency Physicians LtdBarrington, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Greenberg among 3,291 emergency medicine physician records in Illinois
David Greenberg, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 68% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2001 · median 2012 among the 1,867 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 emergency medicine physician records list a practice address in Barrington
They are 15 of the 756 NPPES records with a practice address in Barrington, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Barrington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Todd Bannen, M.D.Barrington, IL 600101952414682
- Marc Dorfman, MDBarrington, IL 600101912908583
- Mark Giacomin, DOBarrington, IL 600101215948153
- Viren Gohil, M.D.Barrington, IL 600101225081037
- Jeffrey Gordon, MDBarrington, IL 600101558308676
- Danish Haque, MDBarrington, IL 600101336193093
- Tracey Hashemi, MDBarrington, IL 600101508857905
- Shabbir Kanji, MDBarrington, IL 600101649224973
Common questions
What is David Greenberg, M.D.'s NPI number?
David Greenberg, M.D.'s National Provider Identifier (NPI) is 1598705659, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Greenberg, M.D. located?
The NPPES record lists a practice address at 450 W Highway 22, Barrington, IL, 60010. Phone: (847) 842-4488. Providers update this record themselves, so call before visiting.
How can I verify David Greenberg, M.D.'s license?
NPPES lists Illinois license number 036109738, 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 David Greenberg, M.D. prescribe under Medicare Part D?
In 2024, David Greenberg, M.D. had 378 Medicare Part D claims for 284 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.