Garfield O'Brian Walker
Student in an Organized Health Care Education/Training Program · Springfield, MA
Garfield O'Brian Walker is a student in an organized health care education/training program with a practice address in Springfield, Massachusetts, and NPI 1245082056, issued on Apr 4, 2024. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Garfield O'Brian Walker
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- Baystate Medical Center 759 Chestnut Street, Springfield, MA 01199
- Phone
- (413) 794-0000
- Enumerated
- Apr 4, 2024
- Record last updated
- Apr 4, 2024
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 11,235 in Massachusetts → Look up another NPI →
Also registered at Baystate Medical Center 759 Chestnut Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Malaak Abuelayyan, MDStudent in an Organized Health Care Education/Training Program1821603234
- Mohammad Khaldoun Al Masri, MDStudent in an Organized Health Care Education/Training Program1477235869
- Uchechukwu Alanza, MDStudent in an Organized Health Care Education/Training Program1770329765
- Joyce Arnouk, MDStudent in an Organized Health Care Education/Training Program1992433601
- Aleezay AsgharStudent in an Organized Health Care Education/Training Program1689292476
- Rabbia AshrafStudent in an Organized Health Care Education/Training Program1801698972
Verify Garfield O'Brian Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
97 Medicare Part D claims for 28 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Garfield O'Brian Walker among 11,235 student in an organized health care education/training program records in Massachusetts
Garfield O'Brian Walker is one of 11,235 student in an organized health care education/training program records with a practice address in Massachusetts. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 50% of them.
- NPI issued2024 · 50% of these records are older, 33% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2024 · 27% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
586 student in an organized health care education/training program records list a practice address in Springfield
They are 586 of the 8,553 NPPES records with a practice address in Springfield, and 11,235 student in an organized health care education/training program records in Massachusetts.
All 11,235 in Massachusetts → Every provider in Springfield → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Bader Aldossary, M.DSpringfield, MA 011991154534824
- Eun ChangSpringfield, MA 011991598970907
- Brian CrowleySpringfield, MA 011991043423296
- Khaled DahcheSpringfield, MA 011991659586808
- Melissa HullSpringfield, MA 011991285849695
- Venkata KodaliSpringfield, MA 011991184832073
- Jens KrauseSpringfield, MA 011991841410438
- Basil Lau, M.D.Springfield, MA 011991407061658
Common questions
What is Garfield O'Brian Walker's NPI number?
Garfield O'Brian Walker's National Provider Identifier (NPI) is 1245082056, issued on Apr 4, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Garfield O'Brian Walker located?
The NPPES record lists a practice address at Baystate Medical Center 759 Chestnut Street, Springfield, MA, 01199. Phone: (413) 794-0000. Providers update this record themselves, so call before visiting.
How can I verify Garfield O'Brian Walker's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Garfield O'Brian Walker prescribe under Medicare Part D?
In 2024, Garfield O'Brian Walker had 97 Medicare Part D claims for 28 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions 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.