Doctor profile · Federal record

Dr. Patrick Dreis, PA

Physician Assistant · Surgical Physician Assistant · Big Stone City, SD

  • NPI 1245203132
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
451 Main St
Big Stone City, SD 57216
(605) 862-7999
fax (605) 862-7998

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
September 11, 2025
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
South Dakota #0568
Medicaid
SD #6825640

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245203132. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
914
Distinct HCPCS
10
Medicare allowed
$46,887
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 412 118 $74
36415 Insertion of needle into vein for collection of blood sample 243 82 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 60 42 $105
71046 X-ray of chest, 2 views 38 34 $23
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 36 24 $6
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 28 28 $106
G0008 Administration of influenza virus vaccine 25 25 $25
90662 Influenza vaccine split virus, preservative free 22 22 $72
96372 Injection of drug or substance under skin or into muscle 21 11 $12
99212 Established patient office or other outpatient visit, 10-19 minutes 16 11 $45

In context: peer comparison

Among 1 peers in this city , average services per provider: 83. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,056
Patients
459
Total drug cost
$91,682
Drug Type Claims Patients Total cost
Losartan Potassium Generic 237 49 $2,415
Omeprazole Generic 193 49 $2,075
Metformin Hcl Generic 185 32 $1,148
Metoprolol Succinate Generic 170 30 $1,669
Atorvastatin Calcium Generic 153 24 $1,332
Gabapentin Generic 147 31 $2,113
Tamsulosin Hcl Generic 132 30 $1,307
Levothyroxine Sodium Generic 126 20 $1,041
Rosuvastatin Calcium Generic 124 32 $1,806
Metformin Hcl Er (Metformin Hcl) Brand 102 16 $620

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Dreis's medical specialty?
Dr. Patrick Dreis practices Physician Assistant in Big Stone City, SD.
Where does Dr. Patrick Dreis practice?
Dr. Patrick Dreis practices at 451 Main St, Big Stone City, SD 57216. Office phone: 6058627999.
What is Dr. Patrick Dreis's NPI?
Dr. Patrick Dreis's National Provider Identifier (NPI) is 1245203132, issued by NPPES.
Does Dr. Patrick Dreis accept Medicare assignment?
Yes. Dr. Patrick Dreis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Dreis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.