Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. John Mark Kitsteiner, MD

Individual provider Family Medicine Physician · NPI 1821295528

Dr. John Mark Kitsteiner, MD is registered under Family Practice in APO, Armed Forces Europe. Graduated from Mayo Medical School in 2007, 19 years ago. Practices with Tri-Cities Regional Emergency Physicians, PC, a 118-clinician group and accepts Medicare assignment. Licensed in Hawaii and Tennessee.

Years since qualifying
19
Trained at
Mayo Medical School
Licensed in
HI, TN
In the registry since
2007
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 may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

Lajes Field 65 Mdg/sgop Unit 7745
APO, AE 09720-7745
Phone: (314) 535-3239

No coordinates on file. Search this address in Google Maps

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 51453 (TN)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD-15226 (HI)

Record details

NPI number1821295528
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2007
Last updated in NPPESJuly 19, 2021
Certification dateJuly 19, 2021

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesEMERGENCY MEDICINE
Medical schoolMAYO MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice Tri-Cities Regional Emergency Physicians, Pc — 118 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients439
Services billed 779 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Greeneville Community Hospital Hospital · Greeneville, TN

Colleagues at Tri-Cities Regional Emergency Physicians, PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 118 clinicians in the practice; 12 are shown here.

Other providers in APO