What is Jack Clark's specialty?

Jack Clark (NPI 1902992837) is a Medicare-billing provider whose primary specialty is Internal Medicine in Rexburg, ID.

Where does Jack Clark practice?

Jack Clark practices in Rexburg, ID, based on the location reported in the CMS Medicare provider datasets for NPI 1902992837.

How much does Medicare pay Jack Clark?

Jack Clark (NPI 1902992837) received approximately $24K in total Medicare Part B payments, serving 153 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902992837

Jack ClarkM.D.

PRACTICEMADISON MEMORIAL HOSPITALSee all providers at this practice →

Internal MedicineRexburg, IDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

211

Unique beneficiaries

—

Total services

251

Distinct HCPCS

Medicare payment

$21K

Peer benchmark

Total Medicare services vs. 242 Internal Medicine providers in ID — bottom quintile (cohort median 526).

PRESCRIBING · PART D · 2024

Total Rx claims

1,129

Beneficiaries

—

Total drug cost

$62K

Distinct drugs

Brand share

20.3%

Top prescribed drugs

Warfarin Sodium51 claims

Gabapentin48 claims

Duloxetine Hcl44 claims

Trazodone Hcl42 claims

Atorvastatin Calcium40 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Jack Clark'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BEAR LAKE COUNTY MEMORIAL HOSPITAL	281	2,712
BEAR LAKE COUNTY MEMORIAL HOSPITAL	263	1,473
EASTERN IDAHO HEALTH SERVICES INC	59	224
Trevor Jacobson Family Practice · Montpelier, ID	58	237
Alex Moss Physician Assistant · Montpelier, ID	54	300
Justin Lamb Diagnostic Radiology · Idaho Falls, ID	50	129
James Taylor Diagnostic Radiology · Idaho Falls, ID	50	173
Dirk Bigler Diagnostic Radiology · Idaho Falls, ID	36	117
John Strobel Diagnostic Radiology · Idaho Falls, ID	32	95
Bear Lake County Ambulance Service Provider · Montpelier, ID	28	73
Joseph Dayton Physician Assistant · Montpelier, ID	28	83
Kerry Jepsen Orthopedic Surgery · Joplin, MO	27	106

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