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

Mark D Wiederhold, MD

Individual provider Internal Medicine Physician · NPI 1598015745

Mark D Wiederhold, MD is an Internal Medicine Physician in San Diego, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9565 Waples St Ste 200
San Diego, CA 92121-2986
Phone: (858) 642-0267
Fax: (858) 642-0285
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G66151 (CA)

Record details

NPI number1598015745
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 14, 2012
Last updated in NPPESSeptember 14, 2012

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