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

Individual provider General Practice Physician · NPI 1831141571

Dr. Dien Mach, MD is a General Practice in Patton, California. Graduated from Perelman School of Med at the University of Pennsylvania in 1995, 31 years ago. Practices with Department of State Hospitals, a 276-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Trained at
Perelman School of Med at the University of Pennsylvania
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

3102 E Highland Avenue Medical Staff Ofc
Patton, CA 92369
Phone: (909) 425-7679
Fax: (909) 425-6635
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence A62737 (CA)

Record details

NPI number1831141571
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESAugust 13, 2013
Mailing address3102 E. Highland Avenue, Medical Staff Office, Patton, CA 92369

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL PRACTICE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1995 (31 years in practice)
Group practice Department Of State Hospitals — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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