Mary Elizabeth Walker, RN
Certified Registered Nurse Anesthetist · Houston, TX
Mary Elizabeth Walker, RN is a certified registered nurse anesthetist with a practice address in Houston, Texas, and NPI 1104172808, issued on Jul 31, 2012. Check the license (Texas 625752, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Walker
- Credential
- RN
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- 625752 TX
625752 IN
Self-reported in NPPES; status is on the state search - Practice location
- 6720 Bertner Ave Ste O-520, Houston, TX 77030
- Phone
- (713) 798-1750
- Enumerated
- Jul 31, 2012
- Record last updated
- Oct 25, 2023
- Fax
- (713) 798-4693
- Medicare enrollment
- Enrolled (PECOS I20160301002430); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 6,097 in Texas → Look up another NPI →
Also registered at 6720 Bertner Ave Ste O-520
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ayoade Ademuyewo, DNPCertified Registered Nurse Anesthetist1861987539
- Alisha AggarwalInternal Medicine Physician1063157519
- Shreya Aggarwal, MDAnesthesiology Physician1902156037
- Titilopemi Aina-Jones, MDAnesthesiology Physician1609001890
- Kulsum Akbar, M.D.Anesthesiology Physician1962668731
- Chandra Akojie, CRNACertified Registered Nurse Anesthetist1194383190
Verify Mary Elizabeth Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 625752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Bhs Physicians Network, IncEl Paso, TX
- Emergenchealth PLLCBeaumont, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elizabeth Walker among 6,097 certified registered nurse anesthetist records in Texas
Mary Elizabeth Walker, RN is one of 6,097 certified registered nurse anesthetist records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 47% of them.
- NPI issued2012 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2010 · median 2014 among the 4,734 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,127 certified registered nurse anesthetist records list a practice address in Houston
They are 1,127 of the 61,221 NPPES records with a practice address in Houston, and 6,097 certified registered nurse anesthetist records in Texas.
All 6,097 in Texas → Every provider in Houston → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Ligaya Abangan, CRNAHouston, TX 770301922088384
- Tonia Browder, CRNAHouston, TX 770301083695449
- Nisha Eckhoff, CRNAHouston, TX 770301144218306
- Nancy Ellefson, CRNAHouston, TX 770301215925318
- Philip Grundy, CRNAHouston, TX 770301932106655
- Janey Hopkins, CRNAHouston, TX 770301356336366
- Darline Hurst, CRNAHouston, TX 770301861474470
- Wendy Miller, CRNAHouston, TX 770301396733374
Common questions
What is Mary Elizabeth Walker, RN's NPI number?
Mary Elizabeth Walker, RN's National Provider Identifier (NPI) is 1104172808, issued on Jul 31, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Walker, RN located?
The NPPES record lists a practice address at 6720 Bertner Ave Ste O-520, Houston, TX, 77030. Phone: (713) 798-1750. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Walker, RN's license?
NPPES lists Texas license number 625752, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
What is Mary Elizabeth Walker, RN's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.