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 Reno Hospitalist Physician, average services per provider: 124. This provider delivers 5.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Callister's medical specialty?
Dr. Thomas Callister practices Hospitalist Physician in Reno, NV.
Where does Dr. Thomas Callister practice?
Dr. Thomas Callister practices at 1155 Mill St, Reno, NV 895021576. Office phone: 7759827878.
What is Dr. Thomas Callister's NPI?
Dr. Thomas Callister's National Provider Identifier (NPI) is 1124011705, issued by NPPES.
Does Dr. Thomas Callister accept Medicare assignment?
Yes. Dr. Thomas Callister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Callister commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.