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

Individual provider Hospitalist Physician · NPI 1619248457

Dr. Thomas John Jr., MD is an Internal Medicine in Morristown, New Jersey. Qualified in 2005, 21 years ago. Practices with Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey, a 232-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
21
Licensed in
NJ
In the registry since
2012
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

100 Madison Ave
Morristown, NJ 07960
Phone: (973) 971-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 25MA09202900 (NJ)

Record details

NPI number1619248457
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 25, 2012
Last updated in NPPESJuly 11, 2018
Mailing addressPo Box 416457, Boston, MA 02241-6457

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Memorial Sloan Kettering Cancer Center At Basking Ridge New Jersey — 232 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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