Doctor profile · Federal record

Dr. Gregory Vlacich, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Saint Louis, MO

  • NPI 1073839148
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4921 Parkview Pl, Dept Radiation Oncology, Ll
Saint Louis, MO 631101032
(314) 747-7236
fax (314) 362-8099
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Missouri #2016004564
Medicaid
MO #200033688

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073839148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,797
Distinct HCPCS
10
Medicare allowed
$169,561
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 638 64 $45
77300 Calculation of radiation therapy dose 425 74 $33
77427 Radiation treatment management, 5 treatment sessions 179 58 $194
99213 Established patient office or other outpatient visit, 20-29 minutes 98 61 $67
77334 Design and construction of complex radiation treatment device 76 44 $60
77338 Design and construction of radiation treatment device for high precision radiation therapy 74 69 $225
77301 High precision radiation therapy planning 73 68 $420
77263 Complex radiation therapy planning 58 57 $171
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $136
99214 Established patient office or other outpatient visit, 30-39 minutes 28 24 $99

In context: peer comparison

Among 21 peers in Saint Louis Radiation Oncology Physician, average services per provider: 80. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$53
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, INC. 2 $53.47

By nature of payment

Food and Beverage
$53

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
88
Patients
22
Total drug cost
$1,719
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 44 11 $445
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 18 0 $557
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 14 11 $338
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 0 $379

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Vlacich's medical specialty?
Dr. Gregory Vlacich practices Radiation Oncology Physician in Saint Louis, MO.
Where does Dr. Gregory Vlacich practice?
Dr. Gregory Vlacich practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3147477236.
What is Dr. Gregory Vlacich's NPI?
Dr. Gregory Vlacich's National Provider Identifier (NPI) is 1073839148, issued by NPPES.
Does Dr. Gregory Vlacich accept Medicare assignment?
Yes. Dr. Gregory Vlacich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Vlacich commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.