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Dr. Michael Callander, M.D.

General Surgery (Surgical Critical Care Physician)

  • Medicare participating

At a glance

Years since graduation
13
In the NPI registry since
2013
Medicare patients seen, 2024
224

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2013Medical school: Medical College of Georgia School of Medicine
  • 2013Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Surgical Critical Care Physician primary
    VA license 0101285131 · FL license ME139862
  • Surgery Physician
    FL license ME139862 · PA license MT203620

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: General Surgery per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
224
Services billed
356
Patients’ average age
79
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes13785
Hospital discharge day management, 30 minutes or less3939
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes3939
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes3732
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes2727

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Payments from drug and device companies

In 2025, 1 companies reported 32 payments worth $7,283 in total to this clinician.

By company
Intuitive Surgical, Inc.$7,283
By type
Education$4,000
Travel and Lodging$2,744
Food and Beverage$539

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Sep 22, 2025Intuitive Surgical, Inc.
Sep 22, 2025
Education
DAVINCI XI · SURGERY · in-kind
$2,500
Oct 21, 2025Intuitive Surgical, Inc.
Oct 21, 2025
Education
DAVINCI XI · SURGERY · in-kind
$1,500
Aug 7, 2025Intuitive Surgical, Inc.
Aug 7, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$704
Sep 23, 2025Intuitive Surgical, Inc.
Sep 23, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$640
Aug 22, 2025Intuitive Surgical, Inc.
Aug 22, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$566
Aug 7, 2025Intuitive Surgical, Inc.
Aug 7, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$262
Sep 22, 2025Intuitive Surgical, Inc.
Sep 22, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$163
Aug 21, 2025Intuitive Surgical, Inc.
Aug 21, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$146
Nov 18, 2025Intuitive Surgical, Inc.
Nov 18, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$73.53
Oct 21, 2025Intuitive Surgical, Inc.
Oct 21, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$62.30
All 18 payments other than meals, newest first
All payments other than meals
DateCompanyWhat it was forAmount
Nov 18, 2025Intuitive Surgical, Inc.
Nov 18, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$73.53
Nov 18, 2025Intuitive Surgical, Inc.
Nov 18, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$17.84
Nov 18, 2025Intuitive Surgical, Inc.
Nov 18, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$14.51
Nov 18, 2025Intuitive Surgical, Inc.
Nov 18, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$12.59
Nov 18, 2025Intuitive Surgical, Inc.
Nov 18, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$11.07
Oct 21, 2025Intuitive Surgical, Inc.
Oct 21, 2025
Education
DAVINCI XI · SURGERY · in-kind
$1,500
Oct 21, 2025Intuitive Surgical, Inc.
Oct 21, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$62.30
Sep 23, 2025Intuitive Surgical, Inc.
Sep 23, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$640
Sep 23, 2025Intuitive Surgical, Inc.
Sep 23, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$9.52
Sep 23, 2025Intuitive Surgical, Inc.
Sep 23, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$1.50
Sep 22, 2025Intuitive Surgical, Inc.
Sep 22, 2025
Education
DAVINCI XI · SURGERY · in-kind
$2,500
Sep 22, 2025Intuitive Surgical, Inc.
Sep 22, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$163
Aug 22, 2025Intuitive Surgical, Inc.
Aug 22, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$566
Aug 21, 2025Intuitive Surgical, Inc.
Aug 21, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$146
Aug 7, 2025Intuitive Surgical, Inc.
Aug 7, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$704
Aug 7, 2025Intuitive Surgical, Inc.
Aug 7, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$262
Aug 7, 2025Intuitive Surgical, Inc.
Aug 7, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to CHICAGO, IL · in-kind
$30.00
Aug 7, 2025Intuitive Surgical, Inc.
Aug 7, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to AUSTIN, TX · in-kind
$30.00

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Virginia →

Other General Surgery clinicians in Fredericksburg

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 1, 2025), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1326487190. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.