DR. JOHN RUSSELL RINGQUIST (M.D.) – Emergency Medicine Physician, NPI 1851369318
Emergency Medicine Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,268 EMERGENCY MEDICINE in IN
Provider Addresses for DR. JOHN RUSSELL RINGQUIST (M.D.)
2200 Randallia Dr
Fort Wayne, IN 468054638
Phone: (260) 373-4000
Fax: (260) 482-4442
Type: Location
1836 South Ave
LA Crosse, WI 546015429
Phone: (608) 782-7300
Type: Location
600 E MAIN ST STE A
ELMA, WA 985419560
Phone: (360) 346-2222
Fax: (360) 234-6621
Type: Mailing
SpringHill Suites Fort Wayne North, 4145, New Vision Drive, Fort Wayne, Allen County, Indiana, 46845, United States
SUITE A
FORT WAYNE, IN 468451717
Phone: (260) 482-4440
Fax: (260) 482-4442
Type: Mailing
Parkview Hospital Randallia, 2200, Randalia Drive, Fort Wayne, Allen County, Indiana, 46805, United States
FORT WAYNE, IN 468054638
Phone: (260) 373-4000
Fax: (260) 482-4442
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-12-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 5 Medicare enrollment records; no due dates published yet.
Enrollment records
5
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 |
|---|---|---|---|---|
| I20120628000204 | I | Emergency Medicine | IN | TBD |
| I20221216000314 | I | Emergency Medicine | WA | TBD |
| I20250519001132 | I | Emergency Medicine | WI | TBD |
| I20250709001215 | I | Emergency Medicine | MN | TBD |
| I20251202001308 | I | Emergency Medicine | IA | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 159 | 159 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 119 | 109 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 76 | 75 | $0 |
| 99291 | Critical care, first 30-74 minutes | 37 | 37 | $0 |
Insurance plans in this area (ZIP 46805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| P S Y C H I A T R Y | WI | |
| Physician Assistant | WI | |
| - | WI | |
| - | WI | |
| Family Practice | WI | |
| Nurse Practitioner | WI | |
| - | IL | |
| - | WI | |
| Gastroenterology, Internal Medicine | WI |
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