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

Dr. James Aaron Leonard, MD

Individual provider Anesthesiology Physician · NPI 1295977825

Dr. James Aaron Leonard, MD is an Anesthesiology in Newark, Delaware. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 2009, 17 years ago. Practices with Anesthesia Services PA, a 201-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
17
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
DE
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4755 Ogletown-Stanton Rd
Newark, DE 19718
Phone: (302) 733-1100
Fax: (302) 733-2865
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence C1-0012020 (DE)

Record details

NPI number1295977825
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2009
Last updated in NPPESJanuary 7, 2019
Mailing address2 Reads Way Ste 201, New Castle, DE 19720-1630

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 2009 (17 years in practice)
Group practice Anesthesia Services Pa — 201 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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