Ari Kaz, MD
NPI 1013940782 · Orthopaedic Surgery Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ari Kaz, MD is a Orthopaedic Surgery Physician provider in Chicago, IL (NPI 1013940782).
Provider details
- NPI number
- 1013940782
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 50626-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
642 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 186 | $92 |
| X-Ray of Ankle, Minimum of 3 Views73610 | 120 | $34 |
| X-Ray of Foot, Minimum of 3 Views73630 | 111 | $39 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 53 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $132 |
| X-Ray of Hip, 2-3 Views73502 | 26 | $42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17,631 across 5 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
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2013-11-11
Frequently asked questions
- What is Ari Kaz's NPI number?
- Ari Kaz's National Provider Identifier (NPI) is 1013940782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ari Kaz's specialty?
- Ari Kaz is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ari Kaz located?
- Ari Kaz's practice location on file with NPPES is 2923 N California Ave, Chicago, IL 60618-7702.
- What is Ari Kaz's phone number?
- The practice phone number listed in the NPPES registry for Ari Kaz is (773) 777-9900.
- Does Ari Kaz accept Medicare?
- Ari Kaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ari Kaz's NPI active?
- Yes — Ari Kaz's NPI (1013940782) is active in the NPPES registry as of the last update on 2013-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.