ASIM AYAZ (M.D.) – Hospitalist Physician, NPI 1144509563
Hospitalist Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,189 HOSPITALIST in MO
Provider Addresses for ASIM AYAZ (M.D.)
3015 N Ballas Rd
Saint Louis, MO 631312329
Phone: (314) 996-5772
Type: Location
670 MASON RIDGE CENTER DR
STE 300
SAINT LOUIS, MO 631418573
Phone: (573) 468-4186
Fax: (573) 860-6179
Type: Mailing
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 630802354
Phone: (573) 468-4186
Type: Mailing
1 Memorial Dr
Alton, IL 620026722
Phone: (618) 463-7240
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: 2023-03-22
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 |
|---|---|---|---|---|
| I20141215001710 | I | Hospitalist | MO | TBD |
| I20230322000034 | I | Hospitalist | 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 | 474 | 239 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 280 | 161 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 265 | 242 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 85 | 55 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 64 | 63 | $0 |
Insurance plans in this area (ZIP 63131)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MO | |
| Physician Assistant | OH | |
| Nurse Practitioner | MO | |
| Physician Assistant | OH | |
| Hospitalist, Internal Medicine, Internal Medicine | MO | |
| Internal Medicine | MO | |
| Nurse Practitioner | OH | |
| Internal Medicine, Hospitalist | MO | |
| Nurse Practitioner | OH | |
| Critical Care (Intensivists), Internal Medicine | MO |
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