MICHAEL CALLANDER M.D.
NPI 1326487190
Surgery - Surgical Critical Care in Fredericksburg, VA

Q: What is Michael Callander's NPI number?

The NPI number for Michael Callander is 1326487190. It was assigned to this individual provider in the NPPES registry on June 14, 2013.

Q: What is Michael Callander's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Q: When was this NPI record last updated?

The NPPES record for Michael Callander was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.

Active since June 14, 2013PECOS EnrolledAccepts Medicare Assignment

1101 SAM PERRY BLVD STE 400, FREDERICKSBURG, VA 22401(540) 741-2871 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 18, 2023, Jan 26, 2023 (2 updates tracked since 2023).

On this page

About Michael Callander M.d. NPPES

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

MICHAEL CALLANDER M.D. (NPI 1326487190) is an individual surgical critical care provider in Fredericksburg, Virginia, licensed in Virginia (0101285131) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Mary Washington Hospital, and maintains a secondary practice location in Orange Park.

NPPES Registry Identity

NPI1326487190

Entity TypeIndividualMale

Primary Taxonomy2086S0102X

Provider Legal NameMICHAEL CALLANDERCredential: M.D.

Location Address1101 SAM PERRY BLVD STE 400Fredericksburg, VA 22401

Mailing AddressPo Box 419699Boston, MA 02241-9699 · (540) 741-1041

Phone(540) 741-2871

Sole ProprietorNo

Medical School CMSMedical College Of Georgia School Of MedicineGraduated 2013

Enumeration DateJune 14, 2013

Last NPPES UpdateAugust 1, 20252 updates tracked since enumeration

NPPES CertifiedAugust 1, 2025

✔ NPI 1326487190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians

Taxonomy Code2086S0102X

Licenses✔ Licensed in VA · 0101285131✔ Licensed in FL · ME139862

Definition

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedSurgeryTaxonomy 208600000X · License MT203620 (PA), ME139862 (FL)

1101 SAM PERRY BLVD STE 400, Fredericksburg, VA 22401

Open in Google Maps ↗

Secondary Practice Location 1

Location 11887 Kingsley Ave Ste 1900Orange Park, FL 32073-4451 · Phone (904) 276-2549 · Fax (904) 276-9235

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Maintenance Organization of Florida and more.Insurance ›

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

Michael Callander 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 ID2567699523

PECOS Enrollment IDI20250924003760

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 Michael Callander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mary Washington Healthcare Providers LLC

0.1 mi

Hospitalist

1001 SAM PERRY BLVD
Fredericksburg, VA 22401

Reassigned Medicare billing, Virginia enrollment
323 clinicians in this Medicare group

NPI 1750826277 (540) 741-1821

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 6

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.

138 services86 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

66 services64 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

35 services35 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.

33 services27 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.

24 services24 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.

16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Mary Washington Hospital

Acute Care Hospitals · Fredericksburg, VA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490022

Location1001 Sam Perry BoulevardFredericksburg, VA 22401 · Fredericksburg City County

Emergency services Birthing friendly

Spotsylvania Regional Medical Center

Acute Care Hospitals · Fredericksburg, VA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number490141

Location4600 Spotsylvania ParkwayFredericksburg, VA 22408 · Spotsylvania County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 6

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

WALTER ALVARADO NUNEZ

Physician Assistant