Charles Katzman
NPI 1083242853 · Dermatology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Katzman is a Dermatology Physician provider in Chicago, IL (NPI 1083242853).
Provider details
- NPI number
- 1083242853
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
180 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 44 | $6 |
| Biopsy of Related Skin Growth, First Growth11102 | 27 | $92 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 25 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $133 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 18 | $55 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 62 | 19 |
| Triamcinolone Acetonide | 52 | 34 |
| Clobetasol Propionate | 44 | 19 |
| Fluocinonide | 34 | — |
| Tacrolimus | 28 | 15 |
| Hydroxychloroquine Sulfate | 24 | — |
| Clindamycin Phosphate | 19 | — |
| Minoxidil | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$341 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1460 N Halsted St Ste 203Chicago, IL 60642-2621Phone: (312) 926-3627Fax: (312) 642-6846
Registry dates
- Enumerated
- 2020-03-29
- Last updated
- 2024-10-30
- Certified
- 2024-10-09
Frequently asked questions
- What is Charles Katzman's NPI number?
- Charles Katzman's National Provider Identifier (NPI) is 1083242853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Katzman's specialty?
- Charles Katzman is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Katzman located?
- Charles Katzman's practice location on file with NPPES is 2900 N Lake Shore Dr, Chicago, IL 60657-5640.
- What is Charles Katzman's phone number?
- The practice phone number listed in the NPPES registry for Charles Katzman is (314) 409-8244.
- Does Charles Katzman accept Medicare?
- Charles Katzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Katzman's NPI active?
- Yes — Charles Katzman's NPI (1083242853) is active in the NPPES registry as of the last update on 2024-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.