Dr. Mary Gessner-Peterson DO
About this NPIWhat this record shows.
NPI 1861662884 is registered to Dr. Mary Gessner-Peterson DO, a Emergency Medical Services (Emergency Medicine) Physician practising at 2710 Alpine Blvd # 205 in Alpine, California. Emergency Medical Services (Emergency Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mary Gessner-Peterson DO has been enumerated in the National Provider Identifier (NPI) registry since 2008.
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
- 825521721CA· Issued by URGENT CARE TAX ID
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20110607000169Internal MedicineCA
- I20200103002441Internal MedicineUT
Source: CMS PECOS public enrollment file.
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. Mary Gessner-Peterson DO accepts. To confirm in-network status with your specific health plan, contact Dr. Mary Gessner-Peterson DO directly at (619) 326-4445.
Frequently asked
Yes. NPI 1861662884 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medical Services (Emergency 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) 326-4445.
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. Mary Gessner-Peterson DO is a Type-1 individual NPI.