Greg Edward Sharon, M.D.,
Allergy & Immunology Physician · Bloomingdale, IL
Greg Edward Sharon, M.D., is an allergy & immunology physician with a practice address in Bloomingdale, Illinois, and NPI 1619950250, issued on Nov 29, 2005. Check the license (Illinois 036067184, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Greg Edward Sharon
- Credential
- M.D.,
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 036067184 IL
Self-reported in NPPES; status is on the state search - Practice location
- 303 E Army Trail RD, Bloomingdale, IL 60108
- Phone
- (630) 894-7083
- Enumerated
- Nov 29, 2005
- Record last updated
- Oct 1, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (630) 894-9472
- Medicaid ID
- 036067184 IL
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 162 in Illinois → Look up another NPI →
Also registered at 303 E Army Trail RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Greg Edward Sharon 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 036067184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
303 Medicare Part D claims for 73 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Ondansetron Odt48 claims
- Azelastine Hcl28 claims
- Montelukast Sodium25 claims
- Albuterol Sulfate Hfa14 claims
- Azithromycin13 claims
- Fluticasone Propionate13 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: $104.28
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 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.
Greg Edward Sharon among 162 allergy & immunology physician records in Illinois
Greg Edward Sharon, M.D., is one of 162 allergy & immunology physician records with a practice address in Illinois. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Illinois
There are 162 allergy & immunology physician records in Illinois.
All 162 in Illinois → Every provider in Bloomingdale → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Rebecca Hoffman, MDWilmette, IL 600911629489828
- David Knysak, MDElmhurst, IL 601261609876101
- Jeffrey Kulik, MDElmhurst, IL 601261134219942
- Zachary RubinElmhurst, IL 601261750775185
- Sarah Peterson, M.D.Buffalo Grove, IL 600891114174828
- Maria Yango Eugenio, MDBuffalo Grove, IL 600891881766947
- Richard Hrdlicka, MDGeneva, IL 601341164595146
- Dawn Beckman, MDGlen Ellyn, IL 601371851379200
Common questions
What is Greg Edward Sharon, M.D.,'s NPI number?
Greg Edward Sharon, M.D.,'s National Provider Identifier (NPI) is 1619950250, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Greg Edward Sharon, M.D., located?
The NPPES record lists a practice address at 303 E Army Trail RD, Bloomingdale, IL, 60108. Phone: (630) 894-7083. Providers update this record themselves, so call before visiting.
How can I verify Greg Edward Sharon, M.D.,'s license?
NPPES lists Illinois license number 036067184, 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 Greg Edward Sharon, M.D., prescribe under Medicare Part D?
In 2024, Greg Edward Sharon, M.D., had 303 Medicare Part D claims for 73 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.