DR. JENNY L SLYKHUIS-MCDOWELL (D.C.) – Chiropractor, NPI 1558364901
Chiropractor
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,215 CHIROPRACTIC in IA
Provider Addresses for DR. JENNY L SLYKHUIS-MCDOWELL (D.C.)
401 E MAIN ST
KNOXVILLE, IA 501381733
Phone: (641) 828-7228
Fax: (641) 842-7140
Type: Mailing
Lincoln Street, Knoxville, Knox County, Tennessee, 37920, United States
STE 5
KNOXVILLE, IA 501381421
Phone: (641) 828-7228
Fax: (641) 842-7140
Type: Mailing
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: 2004-05-17
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 |
|---|---|---|---|---|
| I20040517000355 | I | Chiropractic | 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 |
|---|---|---|---|---|
| 98941 | Chiropractic manipulative treatment, 3-4 spinal regions | 754 | 71 | $0 |
| 98942 | Chiropractic manipulative treatment, 5 spinal regions | 620 | 56 | $0 |
Insurance plans in this area (ZIP 50138)
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