WALTER JOHN MARBACH (MD) – Rheumatology Physician, NPI 1891703591
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
357 RHEUMATOLOGY in IL
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Provider Addresses for WALTER JOHN MARBACH (MD)
McClintock Drive, Burr Ridge, Lyons Township, Cook County, Illinois, 60521, United States
SUITE 202
BURR RIDGE, IL 605270872
Phone: (888) 220-6432
Fax: (630) 654-4253
Type: Mailing
13755, Cicero Avenue, Crestwood, Bremen Township, Cook County, Illinois, 60418, United States
CRESTWOOD, IL 604451824
Phone: (888) 220-6432
Fax: (708) 385-7840
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 54 Open Payments records for all available years, with a total value of $1,625.
Total Amount is formed as General ($1,625) + Research ($0) + Ownership ($0) = $1,625.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Amgen Inc. ($471).
Total Amount
$1,625
General + Research + Ownership
Payments
54
Total payment records
General Amount
$1,625
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $471 |
| ABBVIE INC. | $410 |
| Merck Sharp & Dohme LLC | $175 |
| Bayer Healthcare Pharmaceuticals Inc. | $123 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $122 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-12-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20071213000260 | I | Rheumatology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0878 | Injection, daptomycin, 1 mg | 130,590 | 37 | $0 |
| J3380 | Injection, vedolizumab, 1 mg | 23,100 | 20 | $0 |
| J0717 | 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) | 17,200 | 11 | $0 |
| J0485 | Injection, belatacept, 1 mg | 14,248 | 13 | $0 |
| J0875 | Injection, dalbavancin, 5 mg | 11,300 | 36 | $0 |
Insurance plans in this area (ZIP 60527)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Nurse Practitioner | MI | |
| - | IL | |
| Infectious Disease | IL | |
| Emergency Medicine, Family Practice | TN | |
| Physician Assistant | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| Nurse Practitioner | FL | |
| Physician Assistant | IL |
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