Margaret Lewis, CRNA
NPI 1578537502 · Certified Registered Nurse Anesthetist · Austin, TX
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Lewis, CRNA is a Certified Registered Nurse Anesthetist provider in Austin, TX (NPI 1578537502).
Provider details
- NPI number
- 1578537502
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 509103 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
186 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Nerve Block and Injection Procedure, Prone Position01992 | 40 | $122 |
| Anesthesia for Nerve Destruction Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01940 | 33 | $115 |
| Anesthesia for Nerve Modulation Procedure Spinal Cord Or Repair of Bone of Spine of Lower Back Accessed Through Skin Using Imaging Guidance01942 | 33 | $159 |
| Anesthesia for Other Procedure on Skin, Muscles, Or Nerves of Head, Neck, and Upper Back00300 | 32 | $218 |
| Anesthesia for Nerve Destruction Procedures on Spine Or Spinal Cord of Neck Or Upper Back Accessed Through Skin Using Imaging Guidance01939 | 22 | $107 |
| Anesthesia for Closed Procedure on Pubic Bone Or Pelvic Joint01160 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$196 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2000 S Mays St Ste 201Round Rock, TX 78664-7580Phone: (512) 244-4272Fax: (512) 244-2895
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2021-05-20
- Certified
- 2021-05-20
Frequently asked questions
- What is Margaret Lewis's NPI number?
- Margaret Lewis's National Provider Identifier (NPI) is 1578537502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Lewis's specialty?
- Margaret Lewis is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Lewis located?
- Margaret Lewis's practice location on file with NPPES is 2304 Hancock Dr, Austin, TX 78756-2543.
- What is Margaret Lewis's phone number?
- The practice phone number listed in the NPPES registry for Margaret Lewis is (512) 407-8444.
- Does Margaret Lewis accept Medicare?
- Margaret Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Lewis's NPI active?
- Yes — Margaret Lewis's NPI (1578537502) is active in the NPPES registry as of the last update on 2021-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.