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Edit this profileWhere to find Karen R. Ringwald, MD
- Fort Wayne location main office
7910 W Jefferson Blvd Ste 217, Fort Wayne, IN 46804 - Lagrange location
2120 N Detroit St Ste 100, Lagrange, IN 46761 - Fort Wayne location
7916 W Jefferson Blvd, Fort Wayne, IN 46804 - Decatur location
1100 Mercer Ave, Decatur, IN 46733 - Bluffton location
303 S Main St, Bluffton, IN 46714
About Dr. Ringwald
Based in Fort Wayne, IN, Karen R. Ringwald, MD is listed in the NPI registry under rheumatology. Karen graduated from Medical College of Ohio in 1999. According to Medicare claims data, Karen cared for 680 Medicare patients across 130,565 services. The services billed most often include injection, tocilizumab, 1 mg, 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), and 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). NPI 1922075084 identifies this record in the national registry.
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
- (260) 234-2698
- Email not available
Practice Locations
7910 W JEFFERSON BLVD STE 217
Fort Wayne, IN 46804
2120 N Detroit St Ste 100
Lagrange, IN 46761
7916 W Jefferson Blvd
Fort Wayne, IN 46804
1100 Mercer Ave
Decatur, IN 46733
303 S Main St
Bluffton, IN 46714
516 E Maumee St
Angola, IN 46703
315 W Old Key Dr Ste 140
Peru, IN 46970
1123 N Western Ave
Marion, IN 46952
737 N Detroit St
Warsaw, IN 46580
610 N Sawyer Rd
Kendallville, IN 46755
7910 W Jefferson Blvd Ste 108
Fort Wayne, IN 46804
2514 E DuPont Rd Ste 100
Fort Wayne, IN 46825
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
Wellness and energy
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
130,565 services · 680 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
313 | More often than most peers in Rheumatology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
135 | As often as other peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
101 | Less often than most peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
94 | As often as other peers in Rheumatology |
| Injection, tocilizumab, 1 mg | Drug given | J3262 |
81,840 | 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 |
30,000 | Less 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 |
8,975 | As often as other peers in Rheumatology |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
4,442 | Less often than most peers in Rheumatology |
| Injection, infliximab, excludes biosimilar, 10 mg | Drug given | J1745 |
3,670 | As often as other peers in Rheumatology |
| Injection, zoledronic acid, 1 mg | Drug given | J3489 |
55 | Less often 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 Fort Wayne 8
Same specialty, same city.
Trained at Medical College of Ohio 6
Other providers in the same specialty who trained at the same institution.
More connections — 13 related providers in 2 groups
Class of 1999 at Medical College of Ohio 8
Providers who graduated from the same medical school in the same year.
Also performs Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 5
Providers in IN who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Ringwald?
Dr. Ringwald is a rheumatologist in Fort Wayne, IN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
What is Dr. Ringwald's address?
Dr. Ringwald is listed at 7910 W Jefferson Blvd Ste 217, Fort Wayne, IN 46804. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ringwald?
The number on file is (260) 234-2698. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Ringwald's NPI number?
Dr. Ringwald's National Provider Identifier is 1922075084. 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
Where did Dr. Ringwald train?
Dr. Ringwald attended Medical College of Ohio, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ringwald been practicing?
Dr. Ringwald has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ringwald perform?
According to Medicare billing data, Dr. Ringwald provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less and administration of chemotherapy into vein, each additional hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ringwald confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ringwald. If this is you, claiming it is free.
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