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

Dr. David Mach, DO

Individual provider Family Medicine Physician · NPI 1821070202

Dr. David Mach, DO is a Family Practice in Roseville, California. Graduated from Ohio University, College of Osteopathic Medicine in 1998, 28 years ago. Practices with Regents of the University of California, a 563-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
28
Trained at
Ohio University, College of Osteopathic Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2261 Douglas Blvd
Roseville, CA 95661-3831
Phone: (916) 783-7193
Fax: (916) 783-0801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A7898 (CA)

Record details

NPI number1821070202
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 18, 2005
Last updated in NPPESNovember 30, 2007

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1998 (28 years in practice)
Group practice Regents Of The University Of California — 563 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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