DR. OSLER JAY JUSTO GUZON (MD) – Cardiovascular Disease Physician, NPI 1285683888
Cardiovascular Disease Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
783 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MO
Provider Addresses for DR. OSLER JAY JUSTO GUZON (MD)
1439 US HWY 61 STE A
FESTUS, MO 63028
Phone: (636) 931-7101
Fax: (636) 933-2383
Type: Location
5201 MID AMERICA PLZ
DIV IM CARDIOLOGY, STE 2300
SAINT LOUIS, MO 631290002
Phone: (314) 362-1291
Fax: (314) 362-4278
Type: Location
111, Frontenac Forest, Frontenac, Saint Louis County, Missouri, 63131, United States
FRONTENAC, MO 631313259
Phone: (636) 931-7101
Fax: (636) 933-2383
Type: Mailing
PO BOX 7412011
CHICAGO, IL 606742011
Phone: (314) 362-1291
Fax: (314) 362-4278
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 202 Open Payments records for all available years, with a total value of $48,101.
Total Amount is formed as General ($48,101) + Research ($0) + Ownership ($0) = $48,101.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Novo Nordisk Inc ($37,565).
Total Amount
$48,101
General + Research + Ownership
Payments
202
Total payment records
General Amount
$48,101
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $37,565 |
| AstraZeneca Pharmaceuticals LP | $3,115 |
| Bayer Healthcare Pharmaceuticals Inc. | $3,003 |
| BIOTRONIK INC. | $744 |
| CVRx, Inc. | $370 |
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: 2012-10-08
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 |
|---|---|---|---|---|
| I20121008000439 | I | Cardiovascular Disease (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 | 410 | 199 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 179 | 95 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 134 | 131 | $0 |
| A9500 | Technetium tc-99m sestamibi, diagnostic, per study dose | 102 | 51 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 91 | 87 | $0 |
Insurance plans in this area (ZIP 63028)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | MO | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 92 | 92 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | MO | 93458 | Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart | 21 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | FL | |
| - | MO | |
| Diagnostic Radiology | IL | |
| - | IL | |
| - | MO | |
| - | MO | |
| - | MO | |
| - | MO |
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