Dr. Michael Drennan MD
About this NPIWhat this record shows.
NPI 1811029846 is registered to Dr. Michael Drennan MD, a Family Medicine practising at 1050 Wisconsin St, Potrero Hill Health Ctr. in San Francisco, California. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Dr. Michael Drennan MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 021444· Issued by SFGH INTERNAL USE ONLY-COMMERCIAL NUMBER
Source: NPPES public registry.
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 Dr. Michael Drennan MD accepts. To confirm in-network status with your specific health plan, contact Dr. Michael Drennan MD directly at (415) 920-1213.
Frequently asked
Yes. NPI 1811029846 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
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 (415) 920-1213.
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. Dr. Michael Drennan MD is a Type-1 individual NPI.