DAVID ALAN JANSSEN (M.D.) – Specialist, NPI 1700995339
Specialist
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Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
235 INFECTIOUS DISEASE in MO
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Provider Addresses for DAVID ALAN JANSSEN (M.D.)
621, South New Ballas Road, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SUITE 70 TOWER B
ST. LOUIS, MO 63141
Phone: (314) 251-5700
Fax: (314) 251-5703
Type: Location
621 S. New Ballas Road
Suite 70 Tower B
St. Louis, MO 63141
Phone: (314) 251-5700
Fax: (314) 251-5703
Type: Location
20 PROGRESS POINT PKWY STE 206
O FALLON, MO 633682207
Phone: (636) 344-2014
Fax: (314) 747-1476
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2023-03-22 • Largest payer in this snapshot: Shionogi Inc ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Shionogi Inc | $16 |
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: 2025-10-31
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100920000423 | I | Infectious Disease | MO | TBD |
| I20251031003877 | I | Infectious Disease | IL | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 561 | 82 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 94 | 82 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 82 | 43 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 47 | 34 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 42 | 15 | $0 |
Insurance plans in this area (ZIP 63141)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Physician Assistant | IL | |
| Family Practice | IL | |
| - | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| G A S T R O E N T E R O L O G Y | GA | |
| - | MO | |
| Gastroenterology, Gastroenterology, Internal Medicine | OH | |
| Nurse Practitioner | IL |
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