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

Ronald W Holz, MD/PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1013868207

Ronald W Holz, MD/PHD is a Student in an Organized Health Care Education/Training Program in Mill Valley, California. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2026

Practice location Address checks out

65 Longfellow Rd
Mill Valley, CA 94941-1592
Phone: (734) 904-5227
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X (MI)

Record details

NPI number1013868207
Entity typeIndividual (Type 1)
GenderMale
Credentials MD/PHD
Sole proprietorYes
NPI enumeratedFebruary 4, 2026
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026
Mailing address65 Longfellow Rd, Mill Valley, CA 94941-1592

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