Dr. Larry Posner MD
About this NPIWhat this record shows.
NPI 1548271216 is registered to Dr. Larry Posner MD, a Allergy & Immunology Physician practising at 1100 Pear Tree Lane in Napa, California. Allergy & Immunology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Larry Posner MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Beyond the registryWhat this record adds.
This record carries 2 secondary identifiers beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. Within the directory it is one of 578 Allergy & Immunology Physician providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
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
- 00G522183CA· Issued by MEDICARE (PTAN)
Medicaid
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. Larry Posner MD accepts. To confirm in-network status with your specific health plan, contact Dr. Larry Posner MD directly at (707) 258-8100.
Frequently asked
Yes. NPI 1548271216 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Allergy & Immunology 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 (707) 258-8100.
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. Larry Posner MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 578 Allergy & Immunology Physician providers are registered in California, and Dr. Larry Posner MD is one of them. The figure refreshes each month from the federal source.