NATHANIEL C KNACKSTEDT (DO) – Internal Medicine Physician, NPI 1023050952
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,289 INTERNAL MEDICINE in KS
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Provider Addresses for NATHANIEL C KNACKSTEDT (DO)
252, West 9th Street, Hoisington, Barton County, Kansas, 67544, United States
HOISINGTON, KS 675441725
Phone: (620) 653-2386
Fax: (620) 653-4186
Type: Location
250 W 9TH ST
HOISINGTON, KS 675441706
Phone: (620) 653-5067
Fax: (620) 653-5070
Type: Mailing
252 W 9TH ST STE A
HOISINGTON, KS 675441700
Phone: (620) 653-2386
Fax: (620) 653-4186
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 26 Open Payments records for all available years, with a total value of $442.
Total Amount is formed as General ($442) + Research ($0) + Ownership ($0) = $442.
Last reported payment date: 2024-08-16 • Largest payer in this snapshot: ABBVIE INC. ($115).
Total Amount
$442
General + Research + Ownership
Payments
26
Total payment records
General Amount
$442
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $115 |
| AstraZeneca Pharmaceuticals LP | $97 |
| Amgen Inc. | $41 |
| PFIZER INC. | $34 |
| Insulet Corporation | $33 |
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: 2004-09-15
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 |
|---|---|---|---|---|
| I20040915000863 | I | Internal Medicine | KS | 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 | 134 | 62 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 23 | 21 | $0 |
Insurance plans in this area (ZIP 67544)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | KS | |
| Physician Assistant | KS | |
| Certified Registered Nurse Anesthetist (Crna) | KS | |
| Physician Assistant | KS | |
| General Surgery | KS | |
| Physician Assistant | KS | |
| Rheumatology, Internal Medicine | MO | |
| Nurse Practitioner | KS | |
| General Surgery | KS | |
| Certified Registered Nurse Anesthetist (Crna) | KS |
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