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Edit this profileAt a glance
- 1725 W Harrison St Ste 365, Chicago, IL 60612
About Dr. Katz
Robert S. Katz, M.D. practices rheumatology in Chicago, IL. Robert is a 1971 graduate of Washington University School of Medicine. Medicare claims data shows Robert provided 90,366 services to 2,271 patients. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), and measurement of antibody for assessment of autoimmune disorder, any method. The provider's National Provider Identifier (NPI) is 1790875797.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 226-8228
- Email not available
Practice Locations
1725 W HARRISON ST STE 365
Chicago, IL 60612
Conditions Commonly Evaluated or Treated
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Autoimmune
- Antiphospholipid Syndrome
- Behçet's Disease
- Dermatomyositis
- Dry Eyes and Mouth
- Granulomatosis with Polyangiitis
- IgA Vasculitis
- IgG4-Related Disease
- Inflammatory myopathy
- Lupus Butterfly Rash
- Positive ANA Blood Test
- Relapsing Polychondritis
Bone
Bone Health
Connective Tissue
- Hypermobility Syndrome
- Mixed Connective Tissue Disease
- Scleroderma skin disease
- Undifferentiated Connective Tissue Disease
Genetic & Connective Tissue
Inflammatory
Joints
- Baker's Cyst
- Chronic Joint Pain
- Enteropathic Arthritis
- Juvenile Idiopathic Arthritis
- Morning Joint Stiffness
- Palindromic Rheumatism
- Pseudogout
- Reactive Arthritis
- Swollen Fingers or Toes
- Swollen Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Procedures & services
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
- Baker's Cyst Aspiration
- Bursa injection
- Carpal tunnel steroid injection
- Joint injection or aspiration
- Knee Joint Injection
- Nailfold Capillaroscopy
- Sacroiliac joint injection
- Salivary Gland Biopsy
- Tendon Sheath Injection
Education & Support
Imaging
Injections
- Ankle Joint Injection
- Finger Joint Injections
- Shoulder Cortisone Injection
- Ultrasound-guided hip injection
- Wrist Cortisone Injection
Lab & Diagnostics
- ANCA Blood Test
- Anti-CCP Antibody Test
- HLA-B27 Genetic Test
- Inflammation Blood Tests
- Joint Fluid Analysis
- Lupus Skin Biopsy
- Myositis Antibody Panel
- Rheumatoid Factor Blood Test
Lab Work
Medication Management
- Biologic medication management
- DMARD Medication Management
- Gout Flare Treatment Plan
- Immunosuppressant Drug Monitoring
- Prolia Injection for Osteoporosis
- Reclast Infusion for Osteoporosis
- Steroid Taper Management
Pain Relief
Regenerative Medicine
Procedures Most Often Billed to Medicare
90,366 services · 2,271 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
727 | More often than most peers in Rheumatology |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
46 | As often as other peers in Rheumatology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
326 | More often than most peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
198 | More often than most peers in Rheumatology |
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0717 |
64,800 | More often than most peers in Rheumatology |
| Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0129 |
10,850 | As often as other peers in Rheumatology |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
4,244 | More often than most peers in Rheumatology |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
38 | More often than most peers in Rheumatology |
| Measurement of antibody for assessment of autoimmune disorder, any method | Lab test | 86235 |
5,528 | More than most peers in Rheumatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
745 | More than most peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other rheumatologists in Chicago 8
Same specialty, same city.
Trained at Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 14 related providers in 2 groups
Class of 1971 at Washington University School of Medicine 6
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Robert S. Katz's specialty?
Robert S. Katz is a rheumatologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Where can I find Robert S. Katz?
Robert S. Katz is listed at 1725 W Harrison St Ste 365, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Robert S. Katz?
The number on file is (312) 226-8228. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Robert S. Katz?
Robert S. Katz's National Provider Identifier is 1790875797. 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
What is Robert S. Katz's education?
Robert S. Katz attended Washington University School of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Robert S. Katz have?
Robert S. Katz has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
What is Robert S. Katz known for?
According to Medicare billing data, Robert S. Katz performs procedures including insertion of needle into vein for collection of blood sample and aspiration and/or injection of fluid from large joint; provides treatments such as administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle and infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Robert S. Katz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Robert S. Katz. If this is you, claiming it is free.
Guide.md
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