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

Dr. Mark D Schafer, MD

Individual provider Internal Medicine Physician · NPI 1417948894

Dr. Mark D Schafer, MD is an Internal Medicine Physician in Tustin, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

2742 Dow Ave
Tustin, CA 92780-7242
Phone: (714) 665-1661
Fax: (714) 665-1669
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 G69584 (CA)

Record details

NPI number1417948894
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 3, 2005
Last updated in NPPESFebruary 8, 2018
Mailing address2742 Dow Ave, Tustin, CA 92780-7242

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