What is Charles Jennings's specialty?

Charles Jennings (NPI 1558359398) is a Medicare-billing provider whose primary specialty is Internal Medicine in Fort Smith, AR.

Where does Charles Jennings practice?

Charles Jennings practices in Fort Smith, AR, based on the location reported in the CMS Medicare provider datasets for NPI 1558359398.

How much does Medicare pay Charles Jennings?

Charles Jennings (NPI 1558359398) received approximately $208K in total Medicare Part B payments, serving 525 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558359398

Charles JenningsMD

PRACTICESPARKS MEDICAL FOUNDATIONSee all providers at this practice →

Internal MedicineFort Smith, ARI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,988

Unique beneficiaries

—

Total services

3,887

Distinct HCPCS

Medicare payment

$200K

Peer benchmark

Total Medicare services vs. 599 Internal Medicine providers in AR — top quintile (cohort median 949).

PRESCRIBING · PART D · 2024

Total Rx claims

11,663

Beneficiaries

—

Total drug cost

$1.0M

Distinct drugs

154

Brand share

20.9%

Top prescribed drugs

Atorvastatin Calcium617 claims

Amlodipine Besylate460 claims

Omeprazole401 claims

Levothyroxine Sodium378 claims

Lisinopril344 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$683

Payment records

By payment type

Food and Beverage$683

Top paying entities

Food and Beverage$683

REFERRAL NETWORK

Where Charles Jennings'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Ismail Ihmeidan Diagnostic Radiology · Fort Smith, AR	142	634
Fareeda Al Refai Diagnostic Radiology · Fort Smith, AR	92	390
Abdul-Nasser Adjei Cardiology · Fort Smith, AR	51	221
Robert Parris Cardiology · Fort Smith, AR	50	282
Clint Wood Diagnostic Radiology · Fort Smith, AR	46	218
Richard Hinkle Internal Medicine · Fort Smith, AR	42	135
NPI 1285614859	41	101
Southwest Ems Inc Ambulance Service Provider · Mena, AR	39	159
Sheharyar Ali Interventional Cardiology · Russellville, AR	37	138
Karen Thrift Nurse Practitioner · Fort Smith, AR	35	213
Mark Horan Emergency Medicine · Fort Smith, AR	34	129
Maher Dahdel Internal Medicine · Webster, TX	34	281

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