What is Brian Callahan's specialty?

Brian Callahan (NPI 1982750576) is a Medicare-billing provider whose primary specialty is Neurosurgery in Tucson, AZ.

Where does Brian Callahan practice?

Brian Callahan practices in Tucson, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1982750576.

How much does Medicare pay Brian Callahan?

Brian Callahan (NPI 1982750576) received approximately $148K in total Medicare Part B payments, serving 319 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1982750576

Brian CallahanMD

PRACTICECENTER FOR NEUROSCIENCESSee all providers at this practice →

NeurosurgeryTucson, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

479

Unique beneficiaries

—

Total services

538

Distinct HCPCS

Medicare payment

$66K

Peer benchmark

Total Medicare services vs. 111 Neurosurgery providers in AZ — top quintile (cohort median 428).

PRESCRIBING · PART D · 2024

Total Rx claims

338

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

33.7%

Top prescribed drugs

Oxycodone Hcl/Acetaminophen86 claims

Oxycodone Hcl76 claims

Gabapentin63 claims

Methocarbamol51 claims

Hydrocodone/Acetaminophen28 claims

QUALITY · MIPS · 2024

Final MIPS score

78.7

Quality

75.5

Cost

100.0

Improvement activities

40.0

Promoting interop.

44.0

Payment adjustment

0.15%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$135

Payment records

By payment type

Food and Beverage$135

Top paying entities

Food and Beverage$135

REFERRAL NETWORK

Where Brian Callahan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TUCSON MEDICAL CENTER	118	292
Salvatore Tirrito Cardiology · Tucson, AZ	25	53
Abhay Sanan Neurosurgery · Tucson, AZ	17	70
Bradley Bohnert Diagnostic Radiology · Tucson, AZ	14	24

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history