Dr. Harriet Mather MD
About this NPIWhat this record shows.
NPI 1659997310 is registered to Dr. Harriet Mather MD, a Hospice and Palliative Medicine (Internal Medicine) Physician practising at 1 Gustave L Levy Pl in New York, New York. Hospice and Palliative Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Harriet Mather MD has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20240927002221Internal MedicineSC
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. Harriet Mather MD accepts. To confirm in-network status with your specific health plan, contact Dr. Harriet Mather MD directly at (212) 241-6500.
Frequently asked
Yes. NPI 1659997310 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 (Internal 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 (212) 241-6500.
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. Harriet Mather MD is a Type-1 individual NPI.