Doctor profile · Federal record

Dr. Charles Jennings, MD

Internal Medicine Physician (CMS: Internal Medicine) · Fort Smith, AR

  • NPI 1558359398
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1120 Lexington Ave
Fort Smith, AR 729015136
(479) 709-7260
fax (479) 709-7261
Mailing address
Po Box 402319
Atlanta, GA 303842319

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
September 16, 2010
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arkansas #N6962
Medicaid (2)
OK #200045210A · AR #110985001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558359398. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,406
Distinct HCPCS
10
Medicare allowed
$269,613
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 849 383 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 774 148 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 709 382 $115
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 226 58 $108
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 134 134 $117
99239 Hospital discharge day management, more than 30 minutes 126 83 $104
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 115 100 $160
G0008 Administration of influenza virus vaccine 105 105 $28
90662 Influenza vaccine split virus, preservative free 100 100 $72
99496 Transitional care management services for problem of high complexity 65 50 $249

In context: peer comparison

Among 17 peers in Fort Smith Internal Medicine Physician, average services per provider: 175. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$786
Transactions
48
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 15 $200.54
Amgen INC. 6 $95.21
Novo Nordisk INC 5 $93.44
Phathom Pharmaceuticals, INC. 4 $81.74
Pfizer INC. 3 $52.46
Abiomed 2 $51.07
Boehringer Ingelheim Pharmaceuticals, INC. 3 $47.69
Janssen Pharmaceuticals, INC 2 $38.70
Shield Therapeutics INC 2 $31.89
CeQur Corporation 1 $18.36
Otsuka America Pharmaceutical, INC. 1 $16.59
Merck Sharp & Dohme LLC 1 $16.19
Insulet Corporation 1 $15.96
Bayer Healthcare Pharmaceuticals INC. 1 $13.34
GlaxoSmithKline, LLC. 1 $13.30

By nature of payment

Food and Beverage
$786

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,914
Patients
1,256
Total drug cost
$58,401
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 631 175 $8,038
Amlodipine Besylate Generic 494 125 $3,769
Levothyroxine Sodium Generic 417 95 $5,113
Omeprazole Generic 415 103 $5,644
Alprazolam Generic 339 56 $1,505
Lisinopril Generic 332 90 $3,054
Potassium Chloride Generic 322 81 $6,293
Gabapentin Generic 300 77 $5,342
Carvedilol Generic 288 77 $2,793
Losartan Potassium Generic 236 66 $2,935

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Jennings's medical specialty?
Dr. Charles Jennings practices Internal Medicine Physician in Fort Smith, AR.
Where does Dr. Charles Jennings practice?
Dr. Charles Jennings practices at 1120 Lexington Ave, Fort Smith, AR 729015136. Office phone: 4797097260.
What is Dr. Charles Jennings's NPI?
Dr. Charles Jennings's National Provider Identifier (NPI) is 1558359398, issued by NPPES.
Does Dr. Charles Jennings accept Medicare assignment?
Yes. Dr. Charles Jennings accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Jennings commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.