KAREN R. RINGWALD MD
NPI 1922075084
Internal Medicine - Rheumatology in Fort Wayne, IN

Active since March 07, 2006PECOS EnrolledAccepts Medicare Assignment
87.95/100
CMS Quality Rating
7910 W JEFFERSON BLVD STE 217, FORT WAYNE, IN 46804(260) 234-2698(260) 344-4203 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 15, 2026, Sep 29, 2020 (2 updates tracked since 2020).

About Karen R. Ringwald Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN R. RINGWALD MD (NPI 1922075084) is an individual rheumatology provider in Fort Wayne, Indiana, licensed in Indiana (01055867A) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Parkview Regional Medical Center, and maintains 11 additional practice locations.

NPPES Registry Identity

NPI1922075084
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameKAREN R. RINGWALDCredential: MD
Location Address7910 W JEFFERSON BLVD STE 217Fort Wayne, IN 46804-4159
Mailing AddressPo Box 749495Atlanta, GA 30374-9495 · (855) 963-2100 · Fax (813) 321-1296
Fax(260) 344-4203
Sole ProprietorNo
Medical School CMSMedical College Of OhioGraduated 1999
Enumeration DateMarch 7, 2006
Last NPPES UpdateJanuary 15, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2026
NPI 1922075084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in IN · 01055867A
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
7910 W JEFFERSON BLVD STE 217, Fort Wayne, IN 46804

Secondary Practice Locations 11

Location 17910 W Jefferson Blvd Ste 108Fort Wayne, IN 46804-4159 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 27916 W Jefferson BlvdFort Wayne, IN 46804-4140 · Phone (260) 432-2297 · Fax (260) 434-6392
Location 31100 Mercer AveDecatur, IN 46733-2303 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 4303 S Main StBluffton, IN 46714-2503 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 52120 N Detroit St Ste 100LaGrange, IN 46761-1147 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 6516 E Maumee StAngola, IN 46703-2017 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 7315 W Old Key Dr Ste 140Peru, IN 46970-9058 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 81123 N Western AveMarion, IN 46952-2501 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 92514 E DuPont Rd Ste 100Fort Wayne, IN 46825-1619 · Phone (260) 484-8830 · Fax (260) 483-1911
Location 10610 N Sawyer RdKendallville, IN 46755-2566 · Phone (260) 436-0800 · Fax (260) 483-1911
Location 11737 N Detroit StWarsaw, IN 46580-2985 · Phone (260) 436-0800 · Fax (260) 483-1911

Other Identifiers 4

OtherP00783758IN · Railroad Medicare
Medicaid2493145OH
Medicaid200309590IN
Other000000331980IN · Anthem

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Karen R. Ringwald Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810963436
PECOS Enrollment IDI20040906000034
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, tocilizumab, 1 mg J3262
Tocilizumab is a medication administered via injection. It's used to treat certain conditions like rheumatoid arthritis by reducing inflammation in the body. It works by blocking a substance in the body that leads to inflammation.
81,840 services31 patients
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) J0717
Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.
30,000 services11 patients
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) J0129
Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.
8,975 services21 patients
Injection, golimumab, 1 mg, for intravenous use J1602
Golimumab is a medication given through an IV (a small tube in your vein). It helps to reduce inflammation and pain by blocking a protein in your body that causes inflammation. It's often used to treat conditions like rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis.
4,442 services15 patients
Injection, infliximab, excludes biosimilar, 10 mg J1745
Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.
3,670 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
866 services356 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Parkview Regional Medical Center

Acute Care Hospitals · Fort Wayne, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150021
Location11109 Parkview Plaza DriveFort Wayne, IN 46845 · Allen County
Emergency services Birthing friendly

Parkview Dekalb Hospital

Acute Care Hospitals · Auburn, IN
OwnershipVoluntary non-profit - Private
CMS Certification Number150045
Location1316 E Seventh StAuburn, IN 46706 · De Kalb County
Emergency services Birthing friendly

Parkview Huntington Hospital

Acute Care Hospitals · Huntington, IN
OwnershipVoluntary non-profit - Private
CMS Certification Number150091
Location2001 Stults RdHuntington, IN 46750 · Huntington County
Emergency services Birthing friendly

Parkview Wabash Hospital, Inc

Critical Access Hospitals · Wabash, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number151310
Location10 John Kissinger DriveWabash, IN 46992 · Wabash County
Emergency services Birthing friendly

Adams Memorial Hospital

Critical Access Hospitals · Decatur, IN
OwnershipGovernment - Local
CMS Certification Number151330
Location1100 Mercer AveDecatur, IN 46733 · Adams County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.04
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Rheumatology)
7910 W JEFFERSON BLVD STE 217
FORT WAYNE, IN 46804
Internal Medicine (Rheumatology)
7910 W JEFFERSON BLVD STE 217
FORT WAYNE, IN 46804
Internal Medicine (Rheumatology)
7910 W JEFFERSON BLVD STE 217
FORT WAYNE, IN 46804

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Ringwald's NPI number?

The NPI number for Karen Ringwald is 1922075084. It was assigned to this individual provider in the NPPES registry on March 7, 2006.

Where is Karen Ringwald located?

Karen Ringwald practices at 7910 W Jefferson Blvd Ste 217, Fort Wayne, IN 46804. The listed phone number is (260) 234-2698.

What is Karen Ringwald's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Karen Ringwald enrolled in Medicare?

Yes. Karen Ringwald is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karen Ringwald accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield list Karen Ringwald as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Ringwald affiliated with any hospitals?

According to CMS data, Karen Ringwald is affiliated with Parkview Regional Medical Center, Parkview Dekalb Hospital, Parkview Huntington Hospital, Parkview Wabash Hospital, Inc and Adams Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Karen Ringwald was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.