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

Mark Shaffer, MD

Individual provider Internal Medicine Physician · NPI 1255436804

Mark Shaffer, MD is an Internal Medicine Physician in LA Mesa, California. Practices as a sole proprietor. Licensed in California.

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

7877 Parkway Dr SUITE1B
LA Mesa, CA 91942-2000
Phone: (619) 461-3717
Fax: (619) 461-5663
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C42649 (CA)

Record details

NPI number1255436804
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 14, 2006
Last updated in NPPESSeptember 2, 2010
Mailing address7877 Parkway Dr, Suite1b, La Mesa, CA 91942-2000

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