LARSON F LANGSCHWAGER (M.D.) – Obstetrics & Gynecology Physician, NPI 1073515128
Obstetrics & Gynecology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
962 OBSTETRICS/GYNECOLOGY in IN
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Provider Addresses for LARSON F LANGSCHWAGER (M.D.)
3702 NEW VISION DR BLDG B
FORT WAYNE, IN 468451703
Phone:
Type: Mailing
11109 PARKVIEW PLAZA DR # 117
FORT WAYNE, IN 468451701
Phone:
Type: Mailing
Door 36, 1316, East 7th Street, Auburn, DeKalb County, Indiana, 46706, United States
SUITE 3
AUBURN, IN 467062538
Phone: (260) 333-7704
Fax: (260) 333-7705
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $169.
Total Amount is formed as General ($169) + Research ($0) + Ownership ($0) = $169.
Last reported payment date: 2024-08-12 • Largest payer in this snapshot: Astellas Pharma US Inc ($85).
Total Amount
$169
General + Research + Ownership
Payments
9
Total payment records
General Amount
$169
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Astellas Pharma US Inc | $85 |
| Bayer Healthcare Pharmaceuticals Inc. | $27 |
| Organon LLC | $20 |
| Dexcom, Inc. | $19 |
| Channel Medsystems, Inc. | $18 |
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: 2015-12-03
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20151203003095 | I | Obstetrics/Gynecology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 46845)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IN | |
| Nurse Practitioner | NM | |
| - | IN | |
| Nurse Practitioner | IN | |
| Family Practice | IN | |
| - | IN | |
| - | IN | |
| Infectious Disease | IN | |
| Internal Medicine | IN | |
| - | IN |
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