GREGORY DELLA PENNA (DO) – Internal Medicine Physician, NPI 1336700822
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
115 ALLERGY/IMMUNOLOGY in MO
Provider Addresses for GREGORY DELLA PENNA (DO)
1 HOSPITAL DR # DC043.00
COLUMBIA, MO 652015276
Phone: (573) 884-1606
Fax: (573) 884-4533
Type: Mailing
1415 TULANE AVE
NEW ORLEANS, LA 701122600
Phone: (504) 988-5263
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 44 Open Payments records for all available years, with a total value of $1,123.
Total Amount is formed as General ($1,123) + Research ($0) + Ownership ($0) = $1,123.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: GENZYME CORPORATION ($294).
Total Amount
$1,123
General + Research + Ownership
Payments
44
Total payment records
General Amount
$1,123
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2025-07-14
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 |
|---|---|---|---|---|
| I20250714003880 | I | Allergy/Immunology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 65201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | KS | |
| A L L E R G Y/ I M M U N O L O G Y | KS | |
| Internal Medicine, Allergy/Immunology | KS | |
| A L L E R G Y/ I M M U N O L O G Y | KS | |
| - | CO |
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