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THOMAS BRIAN CALLISTER M.D.
NPI 1124011705
Hospitalist in Reno, NV

Active since August 29, 2005PECOS EnrolledAccepts Medicare Assignment
1155 MILL ST, RENO, NV 89502(775) 982-7878(775) 982-4196 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 17, 2018, Oct 25, 2017 (2 updates tracked since 2017).

About Thomas Brian Callister M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS BRIAN CALLISTER M.D. (NPI 1124011705) is an individual hospitalist provider in Reno, Nevada, licensed in Nevada (6301) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and maintains a secondary practice location in Reno.

NPPES Registry Identity

NPI1124011705
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameTHOMAS BRIAN CALLISTERCredential: M.D.
Location Address1155 MILL STReno, NV 89502-1576
Mailing Address850 Harvard WayReno, NV 89502-2055 · (775) 982-5262 · Fax (775) 982-5496
Phone(775) 982-7878
Fax(775) 982-4196
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 1988
Enumeration DateAugust 29, 2005
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1124011705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NV · 6301
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 6301 (NV)
1155 MILL ST, Reno, NV 89502
Open in Google Maps ↗

Other Names 1

Professional Name (2)T Brian Callister M.d.

Secondary Practice Location 1

Location 14790 Caughlin Pkwy, #530Reno, NV 89519-0907 · Phone (775) 329-0823 · Fax (775) 323-5438

Other Identifiers 2

Medicaid002016806NV
Other13772304Caqh

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Brian Callister M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820081144
PECOS Enrollment IDI20091215000610
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Thomas Callister reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community Care Services LLC
Same address
Diagnostic Radiology
1155 MILL ST # M-14
Reno, NV 89502
  • Reassigned Medicare billing, Nevada enrollment
  • 735 clinicians in this Medicare group
NPI 1053272989 (775) 982-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
246 services94 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
123 services86 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
69 services69 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
45 services15 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290001
Location1155 Mill StreetReno, NV 89502 · Washoe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89502 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$100.60 typical visit price
range $18.27 – $140.96
Typical copayment $25.15 (range $4.56 – $35.24)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNA RASSUCHINE
Emergency Medicine
1155 MILL ST
RENO, NV 89502
Washoe County (775) 324-4040
NICHOLAS ROSE MD
Radiology (Vascular & Interventional Radiology)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 327-5174
DR. BROOKE TAYLOR TOLLER PHARMD
Pharmacist (Ambulatory Care)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-4406
CORINNE E JOHNSON GARNER RN, APRN
Registered Nurse (Neonatal Intensive Care)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7890
DR. THOMAS S. DAVEE M.D.
Internal Medicine (Cardiovascular Disease)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7878
DR. CHRISTIE ELLIOTT MD
Pathology (Anatomic Pathology & Clinical Pathology)
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-4545
LEAH KATHLEEN MACHEN M.D.
Hospitalist
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7878
HAMAD RASHID ASHRAF MD
Hospitalist
1155 MILL ST
RENO, NV 89502
Washoe County (775) 982-7878

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Callister's NPI number?

The NPI number for Thomas Callister is 1124011705. It was assigned to this individual provider in the NPPES registry on August 29, 2005. The provider is also known as T Brian Callister M.D..

Where is Thomas Callister located?

Thomas Callister practices at 1155 Mill St, Reno, NV 89502. The listed phone number is (775) 982-7878.

What is Thomas Callister's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Thomas Callister enrolled in Medicare?

Yes. Thomas Callister is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thomas Callister's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Callister reassigns Medicare benefits to Community Care Services LLC (Reno, NV). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Callister's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Callister affiliated with any hospitals?

According to CMS data, Thomas Callister is affiliated with Renown Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Callister was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.