John Korpics, MD
NPI 1811998057 · Emergency Medicine Physician · Downer'S Grove, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Korpics, MD is a Emergency Medicine Physician provider in Downer'S Grove, IL (NPI 1811998057).
Provider details
- NPI number
- 1811998057
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036 083204 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
449 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 222 | $131 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 131 | $172 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $94 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 31 | $115 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 14 | $178 |
Typical Medicare-allowed amounts for these services range $94–$178 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 37 | 36 |
| Methylprednisolone | 36 | 36 |
| Fluticasone Propionate | 32 | 30 |
| Cephalexin | 30 | 30 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 27 | 26 |
| Prednisone | 23 | 23 |
| Amoxicillin | 22 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-10
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is John Korpics's NPI number?
- John Korpics's National Provider Identifier (NPI) is 1811998057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Korpics's specialty?
- John Korpics is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Korpics located?
- John Korpics's practice location on file with NPPES is Advocate Good Samaritan Hospital, Downer'S Grove, IL 60515.
- What is John Korpics's phone number?
- The practice phone number listed in the NPPES registry for John Korpics is (630) 275-5900.
- Does John Korpics accept Medicare?
- John Korpics is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Korpics's NPI active?
- Yes — John Korpics's NPI (1811998057) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.