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Edit this profileAt a glance
- 2450 E River Rd, Tucson, AZ 85718
About Dr. Callahan
Brian P. Callahan, MD is a healthcare provider in Tucson, AZ specializing in neurological surgery. Brian trained at University of Colorado School of Medicine, Denver, graduating in 2003. According to Medicare claims data, Brian cared for 479 Medicare patients across 538 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and x-ray of lower and sacral spine, 2-3 views. This provider record is associated with NPI 1982750576.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (520) 795-7750
- Email not available
Practice Locations
2450 E RIVER RD
Tucson, AZ 85718
Conditions Commonly Evaluated or Treated
Within Neurological Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Brain & spine conditions
Brain conditions
Brain disorders
- Acoustic Neuroma
- Brain Vascular Malformation
- Chiari Malformation
- Drug-Resistant Seizures
- Epidermoid cyst
- Hemorrhagic stroke
- Meningitis
- Normal Pressure Hydrocephalus
- Papilledema
- Pituitary Tumor
Brain injury
Brain tumors
Movement disorders
Nerve disorders
- Carpal tunnel
- Cubital tunnel syndrome
- Cut Or Injured Nerve
- Face Twitching
- Occipital neuralgia
- Outer thigh burning and numbness
- Thoracic outlet syndrome
- Trigeminal neuralgia
Pain
Pediatric conditions
Spine & back
- Arthritis of the spine
- Chronic back pain
- Chronic Neck Pain
- Degenerative disc disease
- Failed back surgery syndrome
- Severe back pain
- Spinal Cord Tumor
- Spondylolisthesis
- Tethered Spinal Cord
Spine conditions
- Bone Spurs In The Spine
- Fluid Cyst In Spinal Cord
- Spinal compression fracture
- Spine Infection
- Stress Fracture Of The Spine
Spine deformity
Trauma & injury
Procedures & services
Nerves & spine
Most searched procedures
Brain & spine surgery
Brain procedures
- Awake Brain Mapping Surgery
- Brain Shunt Placement
- Chiari Decompression Surgery
- Deep Brain Stimulation
- Draining A Brain Bleed
- Facial Nerve Decompression Surgery
- Laser Brain Surgery
- Minimally Invasive Endoscopic Brain Surgery
- Needle Brain Biopsy
Brain surgery
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
- Epidural steroid injection
- Facet Joint Injections
- Pain pump implant
- Radiofrequency ablation
- Spinal cord stimulator implant
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
Spine procedures
- Artificial Disc Replacement
- Kyphoplasty
- Nerve Opening Widening
- Scoliosis correction surgery
- SI Joint Fusion
- Spinal Cyst Removal
- Tethered Cord Release
- Vertebra Removal Surgery
Spine surgery
- Minimally Invasive Spine Surgery
- Neck Canal Enlargement Surgery
- Spinal Cord Tumor Removal
- Vertebroplasty
Vascular neurosurgery
Procedures Most Often Billed to Medicare
538 services · 479 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fusion of additional segment of spine | Procedure | 22614 |
20 | Less often than most peers in Neurological Surgery |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
18 | Less often than most peers in Neurological Surgery |
| Placement of stabilizing device to back, 3-6 spine bone segments | Procedure | 22842 |
15 | As often as other peers in Neurological Surgery |
| Placement of stabilizing device to back of 1 spine bone in neck | Procedure | 22840 |
14 | As often as other peers in Neurological Surgery |
| Insertion or replacement of spinal neurostimulator generator or receiver | Procedure | 63685 |
12 | Less often than most peers in Neurological Surgery |
| Fusion of spine in neck by posterior approach | Procedure | 22600 |
11 | Less often than most peers in Neurological Surgery |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
41 | As often as other peers in Neurological Surgery |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
27 | As often as other peers in Neurological Surgery |
| Ct scan head or brain without contrast | Imaging | 70450 |
27 | As often as other peers in Neurological Surgery |
| X-ray of middle spine, 2 views | Imaging | 72070 |
13 | Less often than most peers in Neurological Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other neurosurgeons at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other neurosurgeons in Tucson 8
Same specialty, same city.
Trained at University of Colorado School of Medicine, Denver 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at University of Colorado School of Medicine, Denver 8
Providers who graduated from the same medical school in the same year.
Also performs Fusion of additional segment of spine 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Callahan?
Dr. Callahan is a neurosurgeon in Tucson, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
What is Dr. Callahan's address?
Dr. Callahan is listed at 2450 E River Rd, Tucson, AZ 85718. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Callahan?
The number on file is (520) 795-7750. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Callahan's NPI number?
Dr. Callahan's National Provider Identifier is 1982750576. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Callahan train?
Dr. Callahan attended University of Colorado School of Medicine, Denver, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Callahan been practicing?
Dr. Callahan has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Callahan perform?
According to Medicare billing data, Dr. Callahan performs procedures including fusion of additional segment of spine, insertion of cage or mesh device to spine bone and disc space during spine fusion and placement of stabilizing device to back, 3-6 spine bone segments; reads or performs imaging such as x-ray of lower and sacral spine, 2-3 views and x-ray of upper spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Callahan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Callahan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.