NPPES file of Aug 9, 2026

Joseph Benjamin Walker, CRNA

Certified Registered Nurse Anesthetist · Bel Air, MD

Joseph Benjamin Walker, CRNA is a certified registered nurse anesthetist with a practice address in Bel Air, Maryland, and NPI 1437944964, issued on Apr 14, 2025. Check the license (Maryland R224261, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437944964
Name
Joseph Benjamin Walker
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
R224261 MD
Self-reported in NPPES; status is on the state search
Practice location
500 Upper Chesapeake Dr, Bel Air, MD 21014
Phone
(443) 643-1000
Enumerated
Apr 14, 2025
Record last updated
Jul 1, 2025
Medicare enrollment
Enrolled (PECOS I20250729003592); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 500 Upper Chesapeake Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michelle Abramowski, CRNPAdult Health Nurse Practitioner1598954463
  2. Anna Adamson, MDHospice and Palliative Medicine (Internal Medicine) Physician1316280720
  3. Titilayo Adetu, MDFamily Medicine Physician1053479204
  4. Christina AgronRegistered Nurse1336985225
  5. Ekunola Alade, MDInternal Medicine Physician1750556288
  6. Olusumbo AladeMedical Physician Assistant1417484965

Verify Joseph Benjamin Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R224261
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Maryland Anesthesia And Pain Management Services PCBel Air, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joseph Benjamin Walker among 1,062 certified registered nurse anesthetist records in Maryland

Joseph Benjamin Walker, CRNA is one of 1,062 certified registered nurse anesthetist records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 97% of them.

  • NPI issued2025 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2025 · median 2014 among the 774 with a school on file
  • Record last updated2025 · 54% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Maryland

There are 1,062 certified registered nurse anesthetist records in Maryland.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Elizabeth Calimlim-Decker, CRNABel Air, MD 210141346285616
  2. Alice Cho, CRNABel Air, MD 210141871950360
  3. Eileen Contreras, CRNABel Air, MD 210141215742168
  4. Jessica HagerBel Air, MD 210141811326432
  5. Jordan JohnsonBel Air, MD 210141326708306
  6. Hamid Khairghadam, CRNABel Air, MD 210141205862190
  7. Danielle Ott, CRNABel Air, MD 210141366909699
  8. Jeffrey Szramka, CRNABel Air, MD 210141225335102

Common questions

What is Joseph Benjamin Walker, CRNA's NPI number?

Joseph Benjamin Walker, CRNA's National Provider Identifier (NPI) is 1437944964, issued on Apr 14, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Benjamin Walker, CRNA located?

The NPPES record lists a practice address at 500 Upper Chesapeake Dr, Bel Air, MD, 21014. Phone: (443) 643-1000. Providers update this record themselves, so call before visiting.

How can I verify Joseph Benjamin Walker, CRNA's license?

NPPES lists Maryland license number R224261, as entered by the provider. Search the Maryland 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.