Megan J. Brennan, CRNA
Certified Registered Nurse Anesthetist · Saint Louis, MO
Megan J. Brennan, CRNA is a certified registered nurse anesthetist with a practice address in Saint Louis, Missouri, and NPI 1508329525, issued on Apr 8, 2019. Check the license (Missouri 2019012309, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Megan J. Brennan
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- 2019012309 MO
298289 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Clayton RD, Saint Louis, MO 63117
- Phone
- (314) 768-8442
- Enumerated
- Apr 8, 2019
- Record last updated
- Sep 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20240108000739); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 6420 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sana Afzal, MDInternal Medicine Physician1083579213
- Munir Ahmad, M.D.Nuclear Medicine Physician1356381438
- John Alexander, MDAnesthesiology Physician1477541100
- Kahee Amedi, MDHospitalist Physician1215382189
- Larisa Anokhin, CRNACertified Registered Nurse Anesthetist1023047131
- Monika Aplyn, M.D.Internal Medicine Physician1336195247
Verify Megan J. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2019012309Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $38.66
2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospitals5 of 5 stars
- Mayo Clinic ArizonaScottsdale, AZ
- Metro-West Anesthesia Group IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
623 certified registered nurse anesthetist records list a practice address in Saint Louis
They are 623 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,069 certified registered nurse anesthetist records in Missouri.
All 623 in Saint Louis → All 2,069 in Missouri → Every provider in Saint Louis →
Other certified registered nurse anesthetist records in Missouri
- Jane Abele, CRNASaint Louis, MO1578564647
- Kimberly Abeln, CRNASaint Louis, MO1851566970
- Muhidin AbukarSaint Louis, MO1366028318
- Shannon Adair, CRNALees Summit, MO1972243442
- McKenzie Adam-Hager, CRNASpringfield, MO1720714587
- Adrine Adams, CRNAColumbia, MO1649230970
- William Adams, CRNASaint Louis, MO1891776860
- Andrews Addae, CRNASaint Louis, MO1649029893
- James Aholt, CRNAKansas City, MO1891727616
- Robert Ahrens, CRNAHannibal, MO1083648513
Common questions
What is Megan J. Brennan, CRNA's NPI number?
Megan J. Brennan, CRNA's National Provider Identifier (NPI) is 1508329525, issued on Apr 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Megan J. Brennan, CRNA located?
The NPPES record lists a practice address at 6420 Clayton RD, Saint Louis, MO, 63117. Phone: (314) 768-8442. Providers update this record themselves, so call before visiting.
How can I verify Megan J. Brennan, CRNA's license?
NPPES lists Missouri license number 2019012309, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
What is Megan J. Brennan, CRNA's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. 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.