KAREN R. RINGWALD (MD) – Rheumatology Physician, NPI 1922075084
Rheumatology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
129 RHEUMATOLOGY in IN
Provider Addresses for KAREN R. RINGWALD (MD)
610 N Sawyer Rd
Kendallville, IN 467552566
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
737 N Detroit St
Warsaw, IN 465802985
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
7910 W Jefferson Blvd Ste 108
Fort Wayne, IN 468044159
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
2514 E DuPont Rd Ste 100
Fort Wayne, IN 468251619
Phone: (260) 484-8830
Fax: (260) 483-1911
Type: Location
1123 N Western Ave
Marion, IN 469522501
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
315 W Old Key Dr Ste 140
Peru, IN 469709058
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
516 E Maumee St
Angola, IN 467032017
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
2120 N Detroit St Ste 100
LaGrange, IN 467611147
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
303 S Main St
Bluffton, IN 467142503
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
7916 W Jefferson Blvd
Fort Wayne, IN 468044140
Phone: (260) 432-2297
Fax: (260) 434-6392
Type: Location
1100 Mercer Ave
Decatur, IN 467332303
Phone: (260) 436-0800
Fax: (260) 483-1911
Type: Location
PO BOX 749495
ATLANTA, GA 303749495
Phone: (855) 963-2100
Fax: (813) 321-1296
Type: Mailing
7910 W JEFFERSON BLVD STE 217
FORT WAYNE, IN 468044159
Phone: (260) 234-2698
Fax: (260) 344-4203
Type: Location
Pointe Inverness Way, Covington Dells, Fort Wayne, Allen County, Indiana, 46804, United States
FORT WAYNE, IN 468047934
Phone: (260) 479-3514
Fax: (260) 479-3520
Type: Mailing
7916, West Jefferson Boulevard, Fort Wayne, Allen County, Indiana, 46804, United States
FORT WAYNE, IN 468044140
Phone: (260) 432-2297
Fax: (260) 434-6392
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 57 Open Payments records for all available years, with a total value of $1,175.
Total Amount is formed as General ($1,175) + Research ($0) + Ownership ($0) = $1,175.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: ABBVIE INC. ($541).
Total Amount
$1,175
General + Research + Ownership
Payments
57
Total payment records
General Amount
$1,175
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $541 |
| Amgen Inc. | $191 |
| Novartis Pharmaceuticals Corporation | $165 |
| Aurinia Pharma U.S., Inc. | $111 |
| Janssen Biotech, Inc. | $94 |
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: 2004-09-06
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20040906000034 | I | Rheumatology | IN | 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 |
|---|---|---|---|---|
| J3262 | Injection, tocilizumab, 1 mg | 77,618 | 25 | $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) | 29,400 | 11 | $0 |
| J0129 | 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) | 8,250 | 28 | $0 |
| J1602 | Injection, golimumab, 1 mg, for intravenous use | 7,071 | 22 | $0 |
| J1745 | Injection, infliximab, excludes biosimilar, 10 mg | 4,140 | 32 | $0 |
Insurance plans in this area (ZIP 46755)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Infectious Disease | IN | |
| - | IN | |
| Family Practice | IN | |
| Nurse Practitioner | IN | |
| Internal Medicine | IN | |
| - | IN | |
| U R O L O G Y | NC | |
| - | IN | |
| - | IN | |
| Nurse Practitioner | IN |
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