WILLIAM TSCHANNEN (PA-C) – Physician Assistant, NPI 1427651967
Physician Assistant
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,853 PHYSICIAN ASSISTANT in MO
Provider Addresses for WILLIAM TSCHANNEN (PA-C)
PO BOX 959354
SAINT LOUIS, MO 631959354
Phone: (314) 996-5900
Fax: (314) 996-5910
Type: Mailing
3009 N BALLAS RD STE 390C
SAINT LOUIS, MO 631312322
Phone: (314) 996-5900
Fax: (314) 996-5910
Type: Location
130 E Lockling St
Brookfield, MO 646282337
Phone: (660) 258-2222
Type: Location
3107 FREDERICK AVE
STE B
SAINT JOSEPH, MO 645063082
Phone: (660) 734-3287
Type: Mailing
26688 HWY 11
BROOKFIELD, MO 64628
Phone: (660) 734-3287
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 31 Open Payments records for all available years, with a total value of $590.
Total Amount is formed as General ($590) + Research ($0) + Ownership ($0) = $590.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: ABBVIE INC. ($235).
Total Amount
$590
General + Research + Ownership
Payments
31
Total payment records
General Amount
$590
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $235 |
| ACUMED LLC | $80 |
| Otsuka America Pharmaceutical, Inc. | $52 |
| Radius Health, Inc. | $40 |
| Vanda Pharmaceuticals Inc. | $34 |
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: 2021-04-07
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 |
|---|---|---|---|---|
| I20210407002349 | I | Physician Assistant | MO | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 305 | 224 | $0 |
| J1040 | Injection, methylprednisolone acetate, 80 mg | 84 | 63 | $0 |
| 73100 | X-ray of wrist, 2 views | 84 | 51 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 67 | 63 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 60 | 60 | $0 |
Insurance plans in this area (ZIP 63195)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| Family Practice | MO | |
| Nurse Practitioner | MO | |
| Hospitalist, Family Practice | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| Family Practice | MO | |
| Hospitalist, Family Practice | MO |
Reviews
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