DR. GREGORY DEAN LETTMAN (D.C.) – Chiropractor, NPI 1114960226
Chiropractor
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,217 CHIROPRACTIC in IA
Provider Addresses for DR. GREGORY DEAN LETTMAN (D.C.)
1900 JFK RD SUITE 2
DUBUQUE, IA 520023800
Phone: (563) 588-9200
Fax: (563) 583-6594
Type: Mailing
2095 JOHN F KENNEDY RD
DUBUQUE, IA 520023899
Phone: (563) 588-9200
Fax: (563) 583-6594
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: 2006-09-16
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20060916000067 | 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 | 599 | 65 | $0 |
Insurance plans in this area (ZIP 52002)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| C H I R O P R A C T I C | IA | |
| C H I R O P R A C T I C | IA |
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