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

John Isaac Blanco Heintz, MD, PHD

Individual provider Hospitalist Physician · NPI 1669965059

John Isaac Blanco Heintz, MD, PHD is an Internal Medicine in Philadelphia, Pennsylvania. Graduated from Harvard Medical School in 2018, 8 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Ohio and Pennsylvania.

Years since qualifying
8
Trained at
Harvard Medical School
Licensed in
OH, PA
In the registry since
2018
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

1207 Chestnut St
Philadelphia, PA 19107-4131
Phone: (267) 725-0252
Fax: (215) 309-1129
Show map & directions

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

Additional practice locations (2)

  • 410 W 10th Ave, Columbus, OH 43210-1240 — (614) 293-7499
  • 3400 Spruce St, Philadelphia, PA 19104-4238 — (215) 662-2200

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD478200 (PA)
Hospitalist Physician Taxonomy 208M00000X · Licence 35.142497 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1669965059
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 11, 2018
Last updated in NPPESSeptember 16, 2022
Certification dateSeptember 16, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2018 (8 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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