Ronald Holz MD/PHD
About this NPIWhat this record shows.
NPI 1013868207 is registered to Ronald Holz MD/PHD, a Student in an Organized Health Care Education/Training Program practising at 65 Longfellow Rd in Mill Valley, California. Student in an Organized Health Care Education/Training Program is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ronald Holz MD/PHD has been enumerated in the National Provider Identifier (NPI) registry since 2026.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Ronald Holz MD/PHD accepts. To confirm in-network status with your specific health plan, contact Ronald Holz MD/PHD directly at (734) 904-5227.
Frequently asked
Yes. NPI 1013868207 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Student in an Organized Health Care Education/Training Program is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (734) 904-5227.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Ronald Holz MD/PHD is a Type-1 individual NPI.