Liam Maher
NPI 1922737857 · Certified Registered Nurse Anesthetist · Memphis, TN
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liam Maher is a Certified Registered Nurse Anesthetist provider in Memphis, TN (NPI 1922737857).
Provider details
- NPI number
- 1922737857
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 0024188234 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
286 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 69 | $84 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 68 | $74 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 60 | $55 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 40 | $98 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 23 | $194 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 15 | $303 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-07
- Last updated
- 2023-11-19
- Certified
- 2023-11-19
Frequently asked questions
- What is Liam Maher's NPI number?
- Liam Maher's National Provider Identifier (NPI) is 1922737857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liam Maher's specialty?
- Liam Maher is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Liam Maher located?
- Liam Maher's practice location on file with NPPES is 1265 Union Ave, Memphis, TN 38104-3415.
- What is Liam Maher's phone number?
- The practice phone number listed in the NPPES registry for Liam Maher is (901) 516-7000.
- Does Liam Maher accept Medicare?
- Liam Maher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liam Maher's NPI active?
- Yes — Liam Maher's NPI (1922737857) is active in the NPPES registry as of the last update on 2023-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.