Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Karen R. Ringwald, MD

Individual provider Rheumatology Physician · NPI 1922075084

Karen R. Ringwald, MD is a Rheumatology in Fort Wayne, Indiana. Graduated from Medical College of Ohio in 1999, 27 years ago. Practices with Lutheran Medical Group LLC, a 250-clinician group, works from 12 locations, accepts Medicare assignment and offers telehealth. Licensed in Indiana.

Years since qualifying
27
Trained at
Medical College of Ohio
Licensed in
IN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7910 W Jefferson Blvd Ste 217
Fort Wayne, IN 46804-4159
Phone: (260) 234-2698
Fax: (260) 344-4203
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (11)

  • 516 E Maumee St, Angola, IN 46703-2017 — (260) 436-0800
  • 303 S Main St, Bluffton, IN 46714-2503 — (260) 436-0800
  • 1100 Mercer Ave, Decatur, IN 46733-2303 — (260) 436-0800
  • 7916 W Jefferson Blvd, Fort Wayne, IN 46804-4140 — (260) 432-2297
  • 2514 E Dupont Rd Ste 100, Fort Wayne, IN 46825-1619 — (260) 484-8830
  • 7910 W Jefferson Blvd Ste 108, Fort Wayne, IN 46804-4159 — (260) 436-0800
  • 610 N Sawyer Rd, Kendallville, IN 46755-2566 — (260) 436-0800
  • 2120 N Detroit St Ste 100, Lagrange, IN 46761-1147 — (260) 436-0800
  • 1123 N Western Ave, Marion, IN 46952-2501 — (260) 436-0800
  • 315 W Old Key Dr Ste 140, Peru, IN 46970-9058 — (260) 436-0800
  • 737 N Detroit St, Warsaw, IN 46580-2985 — (260) 436-0800

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 01055867A (IN)

Record details

NPI number1922075084
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 7, 2006
Last updated in NPPESJanuary 15, 2026
Certification dateJanuary 15, 2026
Mailing addressPo Box 749495, Atlanta, GA 30374-9495

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Medical schoolMEDICAL COLLEGE OF OHIO
Graduated 1999 (27 years in practice)
Group practice Lutheran Medical Group Llc — 250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations12 on file with Medicare

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