Tammy Hshieh M.D.
About this NPIWhat this record shows.
NPI 1477780443 is registered to Tammy Hshieh M.D., a Internal Medicine practising at 330 Brookline Ave, Deaconess 307 in Boston, Massachusetts. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Tammy Hshieh M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2009.
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
- 241538MA· Issued by MASSACHUSETTS LICENSE NUMBER
Source: NPPES public registry.
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
- I20130801000106Geriatric MedicineMA
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 Tammy Hshieh M.D. accepts. To confirm in-network status with your specific health plan, contact Tammy Hshieh M.D. directly at (617) 632-8266.
Frequently asked
Yes. NPI 1477780443 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (617) 632-8266.
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. Tammy Hshieh M.D. is a Type-1 individual NPI.