Walter A. Warren, CRNA
Certified Registered Nurse Anesthetist · Baton Rouge, LA
Walter A. Warren, CRNA is a certified registered nurse anesthetist with a practice address in Baton Rouge, Louisiana, and NPI 1982177390, issued on Jan 8, 2019. Check the license (Louisiana 202152, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Walter A. Warren
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 202152 LA
Self-reported in NPPES; status is on the state search - Practice location
- 7777 Hennessy Blvd Ste 301, Baton Rouge, LA 70808
- Phone
- (225) 214-6438
- Enumerated
- Jan 8, 2019
- Record last updated
- Jan 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190226002643); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 1,819 in Louisiana → Look up another NPI →
Also registered at 7777 Hennessy Blvd Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Regina Adomako, FNP-CFamily Nurse Practitioner1790208825
- Robert Aitken, M.D.Anesthesiology Physician1386805646
- Aminat Ajala, NPNurse Practitioner1316413180
- Beau Bergeron, M.D.Anesthesiology Physician1497020713
- Kevin Blackwood, M.D.Anesthesiology Physician1538468426
- Lanie Crotwell, NPFamily Nurse Practitioner1407435688
Verify Walter A. Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 202152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Baton Rouge Anesthesia Services LLCBaton Rouge, LA
- Letheon Anesthesia Services LLCBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter A. Warren among 1,819 certified registered nurse anesthetist records in Louisiana
Walter A. Warren, CRNA is one of 1,819 certified registered nurse anesthetist records with a practice address in Louisiana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 75% of them.
- NPI issued2019 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2018 · median 2011 among the 1,412 with a school on file
- Record last updated2019 · 59% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
273 certified registered nurse anesthetist records list a practice address in Baton Rouge
They are 273 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,819 certified registered nurse anesthetist records in Louisiana.
All 1,819 in Louisiana → Every provider in Baton Rouge → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Holli Cordell, CRNABaton Rouge, LA 708081013240373
- Wanda Defraites, CRNABaton Rouge, LA 708081639257397
- Pete Easterly, CRNABaton Rouge, LA 708081184746745
- Sherry Guedry, CRNABaton Rouge, LA 708081548499478
- Theresa Guedry, CRNABaton Rouge, LA 708081154553501
- Larry Miller, CRNABaton Rouge, LA 708081255316998
- Corrine Montelaro, CRNABaton Rouge, LA 708081720196694
- Roland Okungbowa, CRNABaton Rouge, LA 708081568560407
Common questions
What is Walter A. Warren, CRNA's NPI number?
Walter A. Warren, CRNA's National Provider Identifier (NPI) is 1982177390, issued on Jan 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Walter A. Warren, CRNA located?
The NPPES record lists a practice address at 7777 Hennessy Blvd Ste 301, Baton Rouge, LA, 70808. Phone: (225) 214-6438. Providers update this record themselves, so call before visiting.
How can I verify Walter A. Warren, CRNA's license?
NPPES lists Louisiana license number 202152, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
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.