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

Dr. William Douglas Macdonald, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1679512149

Dr. William Douglas Macdonald, MD is a Pathology in Whittier, California. Graduated from University of Texas Southwestern Medical School at Dallas in 1987, 39 years ago. Practices with Whittier Pathology Medical Group, a 4-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
CA
In the registry since
2006
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

12401 Washington Blvd
Whittier, CA 90602-1006
Phone: (562) 698-0758
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence A046066 (CA)

Record details

NPI number1679512149
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESDecember 10, 2021
Certification dateDecember 10, 2021
Mailing addressPo Box 511246, Los Angeles, CA 90051-3045

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1987 (39 years in practice)
Group practice Whittier Pathology Medical Group — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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