Doctor profile · Federal record

Dr. Gregory Zolkowski, DO

Family Medicine Physician (CMS: Family Practice) · Emergency Medicine Physician · Family Medicine Physician · Bolivar, MO

  • NPI 1619959145
  • Accepts Medicare
  • MIPS 84.2 / 100 · 2023
  • 39 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
910 E San Martin St
Bolivar, MO 656132893
(417) 777-4749
fax (417) 777-8041
Additional location
1520 N Division St
Blytheville, AR 723151448
(870) 838-7300
fax (870) 838-7459
Additional location
611 W Lee Ave
Osceola, AR 723703001
(870) 563-7000
fax (870) 563-7189
Show 1 more location
Additional location
1008 N Main St
Sikeston, MO 638015044
(573) 471-1600
fax (573) 472-7606
Mailing address
Po Box 536
Bolivar, MO 656130536

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 13, 2020
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Missouri #101186 · Arkansas #E-11776
Medicaid (2)
MO #1619959145 · MO #244710802

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619959145. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
255
Distinct HCPCS
4
Medicare allowed
$30,725
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 110 99 $170
99284 Emergency department visit with moderate level of medical decision making 79 66 $116
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 54 49 $8
99291 Critical care, first 30-74 minutes 12 12 $203

In context: peer comparison

Among 2 peers in this city , average services per provider: 55. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
227
Patients
179
Total drug cost
$1,779
Drug Type Claims Patients Total cost
Meloxicam Generic 59 47 $199
Cephalexin Generic 40 40 $558
Prednisone Generic 24 24 $223
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 21 19 $149
Dicyclomine Hcl Generic 20 19 $116
Methylprednisolone Generic 19 19 $200
Citalopram Hbr (Citalopram Hydrobromide) Brand 18 0 $41
Lactulose Generic 14 0 $228
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 12 11 $66

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Zolkowski's medical specialty?
Dr. Gregory Zolkowski practices Family Medicine Physician in Bolivar, MO.
Where does Dr. Gregory Zolkowski practice?
Dr. Gregory Zolkowski practices at 910 E San Martin St, Bolivar, MO 656132893. Office phone: 4177774749.
What is Dr. Gregory Zolkowski's NPI?
Dr. Gregory Zolkowski's National Provider Identifier (NPI) is 1619959145, issued by NPPES.
Does Dr. Gregory Zolkowski accept Medicare assignment?
Yes. Dr. Gregory Zolkowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Zolkowski commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.