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

Dr. Harold Marks, MD

Individual provider Surgery Physician · NPI 1568422822

Dr. Harold Marks, MD is a Surgery Physician in Northridge, California. Licensed in California. Registered with an NPI since 2006.

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

18350 Roscoe Blvd Ste 505
Northridge, CA 91325-4109
Phone: (818) 886-3400
Fax: (818) 886-3402
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence G47893 (CA)

Record details

NPI number1568422822
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESJuly 13, 2026
Mailing address18350 Roscoe Blvd Suite 505, Northridge, CA 91325

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