DUANE MARQUART (DC,DACBR) – Chiropractor, NPI 1851329106
Chiropractor
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,129 CHIROPRACTIC in MO
Provider Addresses for DUANE MARQUART (DC,DACBR)
PO BOX 7414
CHESTERFIELD, MO 630067414
Phone: (636) 227-4151
Fax: (636) 227-0624
Type: Mailing
Chesterfield Post Office, 4, New Beetwell Street, Stonegravels, Chesterfield, Derbyshire, East Midlands, England, S40 1PA, United Kingdom
CHESTERFIELD, MO 630067747
Phone:
Type: Mailing
201 ENCHANTED PKWY
BALLWIN, MO 630215493
Phone: (636) 256-7779
Type: Location
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: 2004-05-21
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 |
|---|---|---|---|---|
| I20040521000403 | I | Chiropractic | 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 |
|---|---|---|---|---|
| 98941 | Chiropractic manipulative treatment, 3-4 spinal regions | 239 | 27 | $0 |
Insurance plans in this area (ZIP 63006)
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