Doctor profile · Federal record

Dr. Alexander Kaczenski, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Little Rock, AR

  • NPI 1629431192
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9601 Baptist Health Dr
Little Rock, AR 722056321
(501) 851-7402
fax (501) 851-4753
Mailing address
11001 Executive Center Dr Ste 200
Little Rock, AR 722114393

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
January 20, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arkansas #E-11141

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629431192. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,104
Distinct HCPCS
6
Medicare allowed
$92,056
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 766 207 $73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 125 120 $158
99238 Hospital discharge day management, 30 minutes or less 107 105 $73
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 49 30 $46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 36 27 $110
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 18 $120

In context: peer comparison

Among 59 peers in Little Rock Internal Medicine Physician, average services per provider: 237. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$74
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, INC. 3 $73.89

By nature of payment

Food and Beverage
$74

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
52
Patients
34
Total drug cost
$434
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 22 22 $285
Prednisone Generic 18 0 $35
Atorvastatin Calcium Generic 12 12 $114

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Kaczenski's medical specialty?
Dr. Alexander Kaczenski practices Internal Medicine Physician in Little Rock, AR.
Where does Dr. Alexander Kaczenski practice?
Dr. Alexander Kaczenski practices at 9601 Baptist Health Dr, Little Rock, AR 722056321. Office phone: 5018517402.
What is Dr. Alexander Kaczenski's NPI?
Dr. Alexander Kaczenski's National Provider Identifier (NPI) is 1629431192, issued by NPPES.
Does Dr. Alexander Kaczenski accept Medicare assignment?
Yes. Dr. Alexander Kaczenski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Kaczenski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.