Dr. Margaret Ryan MD, Mph
About this NPIWhat this record shows.
NPI 1619977618 is registered to Dr. Margaret Ryan MD, Mph, a Preventive Medicine/Occupational Environmental Medicine Physician practising at Nhrc Code 25, Box 85122 in San Diego, California. Preventive Medicine/Occupational Environmental Medicine Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Margaret Ryan MD, Mph has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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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. Margaret Ryan MD, Mph accepts. To confirm in-network status with your specific health plan, contact Dr. Margaret Ryan MD, Mph directly at (619) 553-8097.
Frequently asked
Yes. NPI 1619977618 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Preventive Medicine/Occupational Environmental Medicine Physician 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 (619) 553-8097.
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. Margaret Ryan MD, Mph is a Type-1 individual NPI.