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

Mr. Mark McNamara, MD

Individual provider Internal Medicine Physician · NPI 1275640294

Mr. Mark McNamara, MD is an Internal Medicine Physician in Pasadena, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
4
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

625 S Fair Oaks Ave Ste 400
Pasadena, CA 91105-2684
Phone: (626) 568-1622
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Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G62456 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G62456 (CA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence G62456 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence G62456 (CA)

Record details

NPI number1275640294
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 24, 2006
Last updated in NPPESNovember 27, 2023
Certification dateSeptember 29, 2020
Mailing addressPo Box 31309, Los Angeles, CA 90031-1309

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