Doctor profile · Federal record

Dr. Jonathan Kooiman, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Pediatrics Physician · Student in an Organized Health Care Education/Training Program · Student in an Organized Health Care Education/Training Program · Greenville, SC

  • NPI 1598273559
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
701 Grove RD Fl 5
Greenville, SC 296054210
(864) 455-4411
fax (864) 455-4480
Additional location
1161 21St Ave South, D3100 Medical Center North
Nashville, TN 372322357
(615) 322-0417
Additional location
1215 21St Avenue South, Medical Center East, North Tower, Suite #6000
Nashville, TN 372328300
(615) 936-8590
Show 3 more locations
Additional location
719 Thompson Ln Ste 20400
Nashville, TN 372044600
(615) 343-7584
fax (615) 936-6666
Additional location
830 S Buncombe RD
Greer, SC 296502400
(864) 797-8000
Additional location
1601 Parkview Ave
Rockford, IL 611071822
(815) 395-5628
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
January 2018 — 8 yrs on file
Profile last updated
September 6, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
South Carolina #MD87590
Medicaid
SC #PENDING

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598273559. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
583
Distinct HCPCS
6
Medicare allowed
$63,329
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 214 107 $113
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 181 102 $74
99239 Hospital discharge day management, more than 30 minutes 55 55 $108
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 53 52 $165
99238 Hospital discharge day management, 30 minutes or less 41 41 $76
99291 Critical care, first 30-74 minutes 39 21 $203

In context: peer comparison

Among 52 peers in Greenville Hospitalist Physician, average services per provider: 111. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Csl Behring 1 $19.22

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
24
Total drug cost
$85
Drug Type Claims Patients Total cost
Furosemide Generic 12 12 $27
Ondansetron Odt (Ondansetron) Brand 12 12 $57

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Kooiman's medical specialty?
Dr. Jonathan Kooiman practices Hospitalist Physician in Greenville, SC.
Where does Dr. Jonathan Kooiman practice?
Dr. Jonathan Kooiman practices at 701 Grove RD Fl 5, Greenville, SC 296054210. Office phone: 8644554411.
What is Dr. Jonathan Kooiman's NPI?
Dr. Jonathan Kooiman's National Provider Identifier (NPI) is 1598273559, issued by NPPES.
Does Dr. Jonathan Kooiman accept Medicare assignment?
Yes. Dr. Jonathan Kooiman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Kooiman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.