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

Dr. Thomas R. Warren II, MD

Individual provider Psychiatry Physician · NPI 1669458030

Dr. Thomas R. Warren II, MD is a General Surgery in APO, Armed Forces Americas. Graduated from Texas a & M University System, Hsc, College of Medicine in 1994, 32 years ago. Practices with Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc, a 554-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
32
Trained at
Texas a & M University System, Hsc, College of Medicine
Licensed in
TX
In the registry since
2005
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.

8901 Wisconsin Ave
APO, AA 20889
Phone: (301) 295-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence J8824 (TX)
Psychiatry Physician Taxonomy 2084P0800X · Licence J8824 (TX)

Record details

NPI number1669458030
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 19, 2005
Last updated in NPPESApril 27, 2026
Certification dateApril 27, 2026

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolTEXAS A & M UNIVERSITY SYSTEM, HSC, COLLEGE OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc. — 554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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