Doctor profile · Federal record

Dr. THOMAS CALLISTER, M.D.

Hospitalist Physician (CMS: INTERNAL MEDICINE) · Internal Medicine Physician · RENO, NV

  • NPI 1124011705
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1155 MILL ST
RENO, NV 895021576
(775) 982-7878
fax (775) 982-4196
Additional location
4790 Caughlin Pkwy, #530
Reno, NV 895190907
(775) 329-0823
fax (775) 323-5438
Mailing address
850 HARVARD WAY
RENO, NV 895022055

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
March 17, 2018
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Nevada #6301
Medicaid
NV #002016806

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124011705. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
666
Distinct HCPCS
7
Medicare allowed
$63,156
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 326 126 $80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 163 94 $120
99239 Hospital discharge day management, more than 30 minutes 87 87 $116
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 38 20 $50
99238 Hospital discharge day management, 30 minutes or less 21 21 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $167
99497 Advance care planning, first 30 minutes 14 14 $76

In context: peer comparison

Among 40 peers in this city , average services per provider: 124. This provider delivers 5.4× the peer median.

Hospital affiliations

CMS Hospital Compare