DR. PAUL MARSHALL HAAS (CRNA) – Certified Registered Nurse Anesthetist, NPI 1285074120
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,775 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in MO
Provider Addresses for DR. PAUL MARSHALL HAAS (CRNA)
1729 NICHOLSON PL
SAINT LOUIS, MO 631042614
Phone: (612) 414-7320
Type: Mailing
232 S WOODS MILL RD
CHESTERFIELD, MO 630173417
Phone: (314) 205-6294
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $113.
Total Amount is formed as General ($113) + Research ($0) + Ownership ($0) = $113.
Last reported payment date: 2023-09-28 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($113).
Total Amount
$113
General + Research + Ownership
Payments
5
Total payment records
General Amount
$113
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $113 |
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: 2020-03-24
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 |
|---|---|---|---|---|
| I20150902000077 | I | Certified Registered Nurse Anesthetist (Crna) | NY | TBD |
| I20200324002966 | I | Certified Registered Nurse Anesthetist (Crna) | CT | 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 |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | 13 | $0 |
| 00670 | Anesthesia for extensive surgery on spine | 12 | 12 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 12 | 12 | $0 |
Insurance plans in this area (ZIP 63104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | CT | |
| A N E S T H E S I O L O G Y | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| A N E S T H E S I O L O G Y | NY | |
| A N E S T H E S I O L O G Y | NY | |
| Certified Registered Nurse Anesthetist (Crna) | MD | |
| A N E S T H E S I O L O G Y | OR | |
| A N E S T H E S I O L O G Y | MA | |
| A N E S T H E S I O L O G Y | NY | |
| A N E S T H E S I O L O G Y | CT |
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