Quick answers
- Does George M. Lewitt accept Medicare assignment?
- Yes. Medicare's clinician data says George M. Lewitt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does George M. Lewitt see?
- In 2024, CMS data shows 368 Original Medicare patients and 6,705 services for George M. Lewitt. This counts Original Medicare only and measures volume, not quality.
- What is George M. Lewitt's NPI number?
- 1902031313. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for George M. Lewitt, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 368 |
|---|---|
| Services billed to Medicare | 6,705 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg (J7345)2,400 services
- Destruction of precancer skin growth, 2-14 growths (17003)760 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)389 services
- Destruction of precancer skin growth, 1 growth (17000)280 services
- Biopsy of related skin growth, first growth (11102)188 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol72%
- High blood pressure60%
- Arthritis36%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)21%
- Ischemic heart disease19%
- Osteoporosis18%
Practice locations
Addresses where George M. Lewitt is enrolled with Medicare (CMS data updated October 2, 2026).
- 25 E Washington St, Suite 1221Chicago, IL 60602 (312) 585‑7299
- 9711 Skokie Blvd, Suite JSkokie, IL 60077 (847) 675‑9711
Group practices
Medicare enrollment lists George M. Lewitt as a member of this group (CMS data updated October 2, 2026).
- Illinois Dermatology Institute, LLC57 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Illinois Dermatology Institute, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Kansas City, School Of Medicine |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902031313 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians