Lael Yonker M.D.
About this NPIWhat this record shows.
NPI 1386849990 is registered to Lael Yonker M.D., a Pediatric Pulmonology Physician practising at Massachusetts General Hospital, 55 Fruit Street in Boston, Massachusetts. Pediatric Pulmonology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Lael Yonker M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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
- I20130626000515Pediatric MedicineMA
- I20251229003552Pediatric MedicineTX
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 Lael Yonker M.D. accepts. To confirm in-network status with your specific health plan, contact Lael Yonker M.D. directly at (617) 726-2066.
Frequently asked
Yes. NPI 1386849990 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Pulmonology 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 (617) 726-2066.
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. Lael Yonker M.D. is a Type-1 individual NPI.