What is John Halbrook's specialty?

John Halbrook (NPI 1992782924) is a Medicare-billing provider whose primary specialty is Medical Oncology in Meridian, MS.

Where does John Halbrook practice?

John Halbrook practices in Meridian, MS, based on the location reported in the CMS Medicare provider datasets for NPI 1992782924.

How much does Medicare pay John Halbrook?

John Halbrook (NPI 1992782924) received approximately $994K in total Medicare Part B payments, serving 338 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992782924

John HalbrookMD

Medical OncologyMeridian, MSI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,302

Unique beneficiaries

—

Total services

7,831

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

Total Medicare services vs. 13 Medical Oncology providers in MS — top quintile (cohort median 1,003).

PRESCRIBING · PART D · 2024

Total Rx claims

574

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

15.7%

Top prescribed drugs

Tamoxifen Citrate109 claims

Letrozole87 claims

Ondansetron Hcl40 claims

Levothyroxine Sodium37 claims

Dexamethasone36 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$4K

Payment records

164

By payment type

Food and Beverage$4K

Education$221

Top paying entities

Food and Beverage$4K

Education$221

REFERRAL NETWORK

Where John Halbrook'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COWART, MARY	97	335
Neville Wichman Diagnostic Radiology · Jackson, MS	56	208
James Cady Emergency Medicine · Meridian, MS	33	126
Lauderdale County Ems District Ambulance Service Provider · Meridian, MS	32	85
Frederick Duggan Pulmonary Disease · Meridian, MS	28	167
Matthew Cassell Hematology-Oncology · Meridian, MS	27	80
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	26	61
Russell Anderson Radiation Oncology · Shreveport, LA	25	862
Richmond Alexander Pulmonary Disease · Meridian, MS	25	106
STA-HOME HEALTH AGENCY OF CARTHAGE, INC	24	84
NPI 1114904190	23	119
Kary Whitehead Sleep Medicine · Meridian, MS	23	118

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events