MARGARET J LEWIS (CRNA) – Certified Registered Nurse Anesthetist, NPI 1578537502
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MARGARET J LEWIS (CRNA)
2000 S Mays St Ste 201
Round Rock, TX 786647580
Phone: (512) 244-4272
Fax: (512) 244-2895
Type: Location
2304, Hancock Drive, Austin, Travis County, Texas, 78756, United States
SUITE 4
AUSTIN, TX 787562543
Phone: (512) 407-8444
Fax: (512) 407-8097
Type: Location
2000 S MAYS ST STE 201
ROUND ROCK, TX 786647580
Phone: (512) 244-4272
Fax: (512) 244-2895
Type: Mailing
Heart Hospital of Austin, 3801, North Lamar Boulevard, Rosedale, Austin, Travis County, Texas, 78756, United States
AUSTIN, TX 787564080
Phone: (512) 407-7000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $212.
Total Amount is formed as General ($212) + Research ($0) + Ownership ($0) = $212.
Last reported payment date: 2024-10-30 • Largest payer in this snapshot: Abbott Laboratories ($170).
Total Amount
$212
General + Research + Ownership
Payments
7
Total payment records
General Amount
$212
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $170 |
| Silk Road Medical, Inc. | $27 |
| Medtronic, Inc. | $16 |
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: 2005-08-11
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 |
|---|---|---|---|---|
| I20050811000705 | I | Certified Registered Nurse Anesthetist (Crna) | TX | 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 |
|---|---|---|---|---|
| 01992 | Anesthesia for nerve block and injection procedure, prone position | 38 | 35 | $0 |
| 00300 | Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 31 | 31 | $0 |
| 01940 | Anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance | 24 | 24 | $0 |
| 01939 | Anesthesia for nerve destruction procedures on spine or spinal cord of neck or upper back accessed through skin using imaging guidance | 18 | 18 | $0 |
| 01942 | Anesthesia for nerve modulation procedure spinal cord or repair of bone of spine of lower back accessed through skin using imaging guidance | 12 | 12 | $0 |
Insurance plans in this area (ZIP 78664)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX |
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