Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Lael M. Yonker, MD

Individual provider Pediatrics Physician · NPI 1386849990

Lael M. Yonker, MD is a Pediatric Medicine in Boston, Massachusetts. Graduated from University of Massachusetts Medical School in 2007, 19 years ago. Practices with University of Texas Southwestern Medical Center at Dallas, a 3,149-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
19
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Massachusetts General Hospital 55 Fruit St
Boston, MA 02114
Phone: (617) 726-2066
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Pulmonology Physician (primary) Taxonomy 2080P0214X · Licence 242128 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence L-232241 (MA)

Record details

NPI number1386849990
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2007
Last updated in NPPESFebruary 8, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice University Of Texas Southwestern Medical Center At Dallas — 3149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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