DR. WILLIAM D. JR. KESSLER (M.D.) – Hospitalist Physician, NPI 1265421739
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,189 HOSPITALIST in MO
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Provider Addresses for DR. WILLIAM D. JR. KESSLER (M.D.)
Mercy Hospital Joplin, 100, Mercy Way, Joplin, Newton County, Missouri, 64804, United States
JOPLIN, MO 648044524
Phone: (417) 781-2727
Fax: (417) 208-3625
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $45.
Total Amount is formed as General ($45) + Research ($0) + Ownership ($0) = $45.
Last reported payment date: 2024-11-15 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($45).
Total Amount
$45
General + Research + Ownership
Payments
2
Total payment records
General Amount
$45
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $45 |
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: 2009-01-14
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 |
|---|---|---|---|---|
| I20090114000295 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 132 | 64 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 57 | 55 | $0 |
| 99305 | Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 52 | 52 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 27 | 27 | $0 |
| 99316 | Nursing facility discharge management, more than 30 minutes | 16 | 16 | $0 |
Insurance plans in this area (ZIP 64804)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Internal Medicine | MO | |
| Internal Medicine, Pulmonary Disease, Pulmonary Disease, Critical Care (Intensivists) | IN | |
| Physician Assistant | IL | |
| Nurse Practitioner | MO | |
| Family Practice | MO | |
| Vascular Surgery | ID | |
| - | MO | |
| Orthopedic Surgery | KS | |
| N E U R O L O G Y | MO | |
| - | MO |
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