RUTH CHACKO (M.D.) – Emergency Medicine Physician, NPI 1093754715
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for RUTH CHACKO (M.D.)
1836, Lackland Hill Parkway, Ascalon, Maryland Heights, Saint Louis County, Missouri, 63146, United States
ATTN: CREDENTIALING
SAINT LOUIS, MO 631463572
Phone: (314) 989-0300
Fax: (314) 810-1399
Type: Mailing
SSM Health St. Mary's Hospital: Hospital Building, 6420, Clayton Road, Hi-Pointe, Richmond Heights, Saint Louis County, Missouri, 63117, United States
SAINT LOUIS, MO 631171811
Phone: (314) 768-8000
Fax: (314) 768-8011
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $40.
Total Amount is formed as General ($40) + Research ($0) + Ownership ($0) = $40.
Last reported payment date: 2023-06-09 • Largest payer in this snapshot: CSL Behring ($40).
Total Amount
$40
General + Research + Ownership
Payments
2
Total payment records
General Amount
$40
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CSL Behring | $40 |
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: 2004-01-19
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 |
|---|---|---|---|---|
| I20040119000062 | I | Emergency Medicine | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 94 | 92 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 38 | 38 | $0 |
| 99291 | Critical care, first 30-74 minutes | 37 | 36 | $0 |
Insurance plans in this area (ZIP 63146)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | MO | |
| - | MO | |
| - | MO | |
| Emergency Medicine | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Internal Medicine | MO | |
| C H I R O P R A C T I C | MO | |
| Emergency Medicine | MO | |
| Allergy/Immunology, Internal Medicine | MO | |
| Physician Assistant | IL |
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