Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mary Jayne McIlwain, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1811218548

Dr. Mary Jayne McIlwain, MD is an Anesthesiology in Lancaster, Pennsylvania. Graduated from Emory University School of Medicine in 2010, 16 years ago. Practices with Lancaster General Hospital, a 518-clinician group and accepts Medicare assignment. Licensed in North Carolina and Pennsylvania.

Years since qualifying
16
Trained at
Emory University School of Medicine
Licensed in
NC, PA
In the registry since
2010
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 Address checks out

133 E Frederick St
Lancaster, PA 17602-2222
Phone: (717) 394-9821
Fax: (717) 394-0175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD451688 (PA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 165309 (NC)

Record details

NPI number1811218548
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2010
Last updated in NPPESOctober 22, 2014

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolEMORY UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Lancaster General Hospital — 518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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