Doctor profile · Federal record

Dr. Mark Lounsbery, D.O

Internal Medicine Physician (CMS: Internal Medicine) · Sioux Falls, SD

  • NPI 1568654648
  • Accepts Medicare
  • MIPS 76.7 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1205 S Grange Ave Ste 510
Sioux Falls, SD 571050410
(605) 328-7500

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
April 6, 2022
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
South Dakota #7272

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568654648. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,213
Distinct HCPCS
6
Medicare allowed
$113,993
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,079 869 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 1,070 479 $95
99495 Transitional care management services for problem of at least moderate complexity 21 18 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 15 13 $64
G0296 Counseling visit to discuss need for lung cancer screening using low dose ct scan (ldct) (service is for eligibility determination and shared decision making) 15 12 $25
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 13 13 $8

In context: peer comparison

Among 33 peers in Sioux Falls Internal Medicine Physician, average services per provider: 142. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,958
Patients
1,309
Total drug cost
$68,511
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 554 144 $6,735
Omeprazole Generic 510 127 $6,997
Amlodipine Besylate Generic 455 119 $3,626
Rosuvastatin Calcium Generic 429 125 $9,533
Levothyroxine Sodium Generic 413 98 $6,065
Lisinopril Generic 390 106 $3,743
Losartan Potassium Generic 337 89 $4,447
Metoprolol Succinate Generic 320 83 $6,096
Tamsulosin Hcl Generic 320 91 $6,411
Metformin Hcl Generic 317 75 $2,884

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Lounsbery's medical specialty?
Dr. Mark Lounsbery practices Internal Medicine Physician in Sioux Falls, SD.
Where does Dr. Mark Lounsbery practice?
Dr. Mark Lounsbery practices at 1205 S Grange Ave Ste 510, Sioux Falls, SD 571050410. Office phone: 6053287500.
What is Dr. Mark Lounsbery's NPI?
Dr. Mark Lounsbery's National Provider Identifier (NPI) is 1568654648, issued by NPPES.
Does Dr. Mark Lounsbery accept Medicare assignment?
Yes. Dr. Mark Lounsbery accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Lounsbery commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Transitional care management services for problem of at least moderate complexity (HCPCS 99495). Source: CMS Medicare Physician & Other Practitioners file.