Are you Greg E. Sharon, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileGreg E. Sharon, M.D. practices allergy & immunology in Bloomingdale, IL. Greg is also listed as specializing in allergy and internal medicine. According to Medicare claims data, Greg cared for 52 Medicare patients across 56 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1619950250.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
303 E ARMY TRAIL RD STE # 403
Bloomingdale, IL 60108
Within Allergy and Immunology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Allergies
Digestive
Drug allergies
Drug allergy
Emergency
Environmental
Eye
Food allergies
Immune conditions
Immunology
Lung conditions
Respiratory
Sinus
Sinus conditions
Skin
Skin conditions
Most searched procedures
Allergy treatments
Diagnostic
Infusion
Medication therapy
Medications
Preventive
Respiratory
Tests
Treatment
56 services · 52 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
33 | As often as other peers in Allergy & Immunology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 | Less often than most peers in Allergy & Immunology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Greg E. Sharon is an allergist in Bloomingdale, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Greg E. Sharon is listed at 303 E Army Trail Rd Ste # 403, Bloomingdale, IL 60108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (630) 894-7083. Contact the office directly to confirm availability and scheduling.
NPI registry
Greg E. Sharon's National Provider Identifier is 1619950250. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Greg E. Sharon has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Greg E. Sharon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Greg E. Sharon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.