Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Alexander O. Walker III, MD

Individual provider Emergency Medicine Physician · NPI 1033182688

Alexander O. Walker III, MD is an Emergency Medicine in Melrose, Massachusetts. Graduated from Boston University School of Medicine in 2000, 26 years ago. Practices with Hallmark Health Urgent Care Physicians LLC, a 32-clinician group and accepts Medicare assignment. Licensed in California and Massachusetts.

Years since qualifying
26
Trained at
Boston University School of Medicine
Licensed in
CA, MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

585 Lebanon St
Melrose, MA 02176-3225
Phone: (781) 979-3635
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 216791 (MA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence A85740 (CA)

Record details

NPI number1033182688
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 13, 2006
Last updated in NPPESApril 28, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Hallmark Health Urgent Care Physicians Llc — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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