Doctor profile · Federal record
Dr. Gregory Krivonyak, M.D.
Preventive Medicine/Occupational Environmental Medicine Physician (CMS: Preventive Medicine) · Preventive Medicine/Occupational Environmental Medicine Physician · Chesterfield, MO
- NPI 1770772725
- Accepts Medicare
- 23 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
100 Chesterfield Business Pkwy Fl 2
Chesterfield, MO 630051271
(954) 399-4673
fax (352) 323-2261 - Additional location
-
1431 Opus Pl Ste 110
Downers Grove, IL 605151164 - Mailing address
-
3601 Sw 160Th Ave Ste 250
Miramar, FL 330276314
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- June 18, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 2083P0500X — NUCC code
- State licenses (2)
- Missouri #2023041829 · Illinois #036163835
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770772725. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
92
Distinct HCPCS
2
Medicare allowed
$8,612
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 80 | 76 | $87 | |
87637 |
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus | 12 | 12 | $140 |
In context: peer comparison
Among 1 peers in Chesterfield Preventive Medicine/Occupational Environmental Medicine Physician, average services per provider: 46. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
65
Patients
65
Total drug cost
$338
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 39 | 39 | $98 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 15 | $174 |
| Azithromycin | Generic | 11 | 11 | $66 |
Frequently asked questions
What is Dr. Gregory Krivonyak's medical specialty?
Dr. Gregory Krivonyak practices Preventive Medicine/Occupational Environmental Medicine Physician in Chesterfield, MO.
Where does Dr. Gregory Krivonyak practice?
Dr. Gregory Krivonyak practices at 100 Chesterfield Business Pkwy Fl 2, Chesterfield, MO 630051271. Office phone: 9543994673.
What is Dr. Gregory Krivonyak's NPI?
Dr. Gregory Krivonyak's National Provider Identifier (NPI) is 1770772725, issued by NPPES.
Does Dr. Gregory Krivonyak accept Medicare assignment?
Yes. Dr. Gregory Krivonyak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Krivonyak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus (HCPCS 87637). Source: CMS Medicare Physician & Other Practitioners file.