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

Dr. Jonathan Allan Stefely, MD, PHD

Individual provider Blood Banking & Transfusion Medicine Physician · NPI 1265992192

Dr. Jonathan Allan Stefely, MD, PHD is a Pathology in Madison, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2019, 7 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Wisconsin.

Years since qualifying
7
Trained at
University of Wisconsin School of Medicine
Licensed in
MA, WI
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

600 Highland Ave
Madison, WI 53792-0001
Phone: (608) 263-8443
Show map & directions

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

Additional practice locations (1)

  • 55 Fruit St, Boston, MA 02114-2696 — (617) 726-2000

Specialties & licences

Blood Banking & Transfusion Medicine Physician (primary) Taxonomy 207ZB0001X · Licence 87418 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Blood Banking & Transfusion Medicine Physician Taxonomy 207ZB0001X · Licence 292153 (MA)

Record details

NPI number1265992192
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 25, 2019
Last updated in NPPESJuly 28, 2026
Certification dateJuly 28, 2026
Mailing address7974 Uw Health Ct, Middleton, WI 53562-5531

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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