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

Donald J Pratt, MD

Individual provider Internal Medicine Physician · NPI 1437136660

Donald J Pratt, MD is an Internal Medicine Physician in Mission Viejo, 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

26800 Crown Valley Pkwy Ste 325
Mission Viejo, CA 92691-6384
Phone: (949) 364-6000
Fax: (949) 364-9561
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 G48502 (CA)

Record details

NPI number1437136660
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESNovember 9, 2021
Certification dateNovember 9, 2021

Other providers in Mission Viejo