DR. MARK ALLEN GDOWSKI (MD) – Interventional Cardiology Physician, NPI 1831453505
Interventional Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
204 INTERVENTIONAL CARDIOLOGY in MO
Provider Addresses for DR. MARK ALLEN GDOWSKI (MD)
450 N New Ballas Rd Ste 270
Saint Louis, MO 631416859
Phone: (314) 991-6969
Fax: (314) 997-6969
Type: Location
660 S EUCLID AVE
C B 8058
SAINT LOUIS, MO 631101010
Phone: (314) 362-5060
Fax: (314) 362-6959
Type: Mailing
4901 FOREST PARK AVE
WOHL CLINIC STE 241
SAINT LOUIS, MO 631081402
Phone: (314) 362-5060
Fax: (314) 362-6959
Type: Location
121 SAINT LUKES CENTER DR STE 303
CHESTERFIELD, MO 630173519
Phone: (314) 434-3278
Fax: (314) 590-5949
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 260 Open Payments records for all available years, with a total value of $6,982.
Total Amount is formed as General ($6,982) + Research ($0) + Ownership ($0) = $6,982.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($1,636).
Total Amount
$6,982
General + Research + Ownership
Payments
260
Total payment records
General Amount
$6,982
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
| Company | Amount |
|---|---|
| Edwards Lifesciences Corporation | $1,636 |
| Abbott Laboratories | $1,215 |
| Boston Scientific Corporation | $535 |
| ABIOMED | $473 |
| Shockwave Medical, Inc | $401 |
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: 2015-05-27
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 |
|---|---|---|---|---|
| I20150527000397 | I | Interventional Cardiology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 647 | 356 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 387 | 144 | $0 |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 196 | 187 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 193 | 172 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 181 | 181 | $0 |
Insurance plans in this area (ZIP 63141)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Interventional Cardiology, Nephrology, Cardiovascular Disease (Cardiology) | MO | |
| Nurse Practitioner | MO | |
| Cardiovascular Disease (Cardiology) | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| Cardiovascular Disease (Cardiology) | MO | |
| - | MO | |
| Internal Medicine, Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | MO | |
| Cardiovascular Disease (Cardiology) | TX |
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