What is John Mack's specialty?

John Mack (NPI 1801826151) is a Medicare-billing provider whose primary specialty is General Surgery in Longview, TX.

Where does John Mack practice?

John Mack practices in Longview, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1801826151.

How much does Medicare pay John Mack?

John Mack (NPI 1801826151) received approximately $145K in total Medicare Part B payments, serving 355 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801826151

John MackMD

PRACTICEDIAGNOSTIC CLINIC OF LONGVIEW PASee all providers at this practice →

General SurgeryLongview, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

609

Unique beneficiaries

—

Total services

686

Distinct HCPCS

Medicare payment

$90K

Peer benchmark

Total Medicare services vs. 1,477 General Surgery providers in TX — top quintile (cohort median 212).

PRESCRIBING · PART D · 2024

Total Rx claims

451

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Ondansetron Hcl223 claims

Tramadol Hcl217 claims

Clindamycin Hcl11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$21

Payment records

By payment type

Food and Beverage$21

Top paying entities

Food and Beverage$21

REFERRAL NETWORK

Where John Mack'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). 17 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ERWIN, DAVID	56	141
Timothy Graham Diagnostic Radiology · Longview, TX	50	112
Justin Hardin Pathology · Longview, TX	39	96
Charles Duvall Diagnostic Radiology · Longview, TX	37	88
Scott Bryk Diagnostic Radiology · Longview, TX	24	54
Rajeev Singh Cardiology · Longview, TX	23	62
Jonathan Greifenkamp Cardiology · Longview, TX	21	55
Lamont Berg Anesthesiology · El Paso, TX	20	44
Stanley Tunstall Anesthesiology · Longview, TX	19	26
MARTIN, LAURA	18	35
NAYINI, KRISHNA	17	34
Dana Parker Anesthesiology · Houston, TX	14	19

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