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

Dr. Mark Chester Patuszynski, MD

Individual provider Internal Medicine Physician · NPI 1841386083

Dr. Mark Chester Patuszynski, MD is an Internal Medicine Physician in Loma Linda, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

11201 Benton St
Loma Linda, CA 92357-1000
Phone: (909) 825-7084
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence C53438 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence C53438 (CA)

Record details

NPI number1841386083
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESMay 11, 2025
Certification dateMay 11, 2025

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