Isabel Obrien MD, Mph
About this NPIWhat this record shows.
NPI 1386387488 is registered to Isabel Obrien MD, Mph, a Hospice and Palliative Medicine (Emergency Medicine) Physician practising at 521 Parnassus Ave, Box 0125 in San Francisco, California. Hospice and Palliative Medicine (Emergency Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Isabel Obrien MD, Mph has been enumerated in the National Provider Identifier (NPI) registry since 2022.
Your brand here.
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
- I20250122002006Emergency MedicineTN
- I20260115002100Emergency MedicineCA
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 Isabel Obrien MD, Mph accepts. To confirm in-network status with your specific health plan, contact Isabel Obrien MD, Mph directly at (415) 476-4838.
Frequently asked
Yes. NPI 1386387488 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hospice and Palliative Medicine (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 (415) 476-4838.
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. Isabel Obrien MD, Mph is a Type-1 individual NPI.