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Edit this profileWalter J. Marbach, MD is a healthcare provider in Crestwood, IL specializing in rheumatology. Walter trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1977. Medicare claims data shows Walter provided 291,041 services to 1,193 patients. The services billed most often include injection, daptomycin, 1 mg, injection, vedolizumab, intravenous, 1 mg, and injection, belatacept, 1 mg. This provider record is associated with NPI 1891703591.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
13755 CICERO AVE
Crestwood, IL 60445
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.
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291,041 services · 1,193 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
129 | As often as other peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
1,013 | More than most peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
289 | More often than most peers in Rheumatology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
244 | As often as other peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
161 | More often than most peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
144 | More often than most peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | Treatment | 96366 |
121 | More often than most peers in Rheumatology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
103 | As often as other peers in Rheumatology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
99 | More often than most peers in Rheumatology |
| Injection, daptomycin, 1 mg | Drug given | J0878 |
188,320 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Marbach is a rheumatologist in Crestwood, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Dr. Marbach is listed at 13755 Cicero Ave, Crestwood, IL 60445. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (888) 220-6432. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Marbach's National Provider Identifier is 1891703591. 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
Dr. Marbach attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
Dr. Marbach has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Marbach performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less and administration of chemotherapy into vein, 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marbach. If this is you, claiming it is free.
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