DR. DENNIS M JR. KNAPIK (M.D.) – Geriatric Medicine (Family Medicine) Physician, NPI 1336147602
Geriatric Medicine (Family Medicine) Physician
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Profile Insights
NPPES metrics only — not quality of care.
3,447 INTERNAL MEDICINE in CT
Provider Addresses for DR. DENNIS M JR. KNAPIK (M.D.)
4650 CHIPPEWA ST
SAINT LOUIS, MO 631161611
Phone: (314) 449-9730
Fax: (314) 449-9731
Type: Mailing
320 WESTERN BLVD STE 104
GLASTONBURY, CT 060331276
Phone: (860) 633-2487
Fax: (860) 633-1793
Type: Location
South New Ballas Road, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SUITE 3016 B
SAINT LOUIS, MO 631418232
Phone: (314) 251-6339
Fax: (314) 251-4564
Type: Mailing
10350 E Dakota Ave
Denver, CO 802471314
Phone: (303) 338-4545
Type: Location
4650 Chippewa St
Saint Louis, MO 631161611
Phone: (314) 449-9730
Fax: (314) 449-9731
Type: Location
4525 W 6th St Ste 100
Lawrence, KS 660497700
Phone: (785) 505-5160
Fax: (785) 505-5282
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: 2025-09-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20060426000118 | I | Internal Medicine | MO | TBD |
| I20241127002219 | I | Internal Medicine | CT | TBD |
| I20250925000843 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 63116)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Family Practice | KS | |
| Sports Medicine | KS | |
| H O S P I T A L I S T | KS | |
| Physician Assistant | KS | |
| - | KS | |
| Family Practice | KS | |
| Physician Assistant | KS | |
| - | KS | |
| Internal Medicine, Hospitalist | MT |
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