Doctor profile · Federal record

Dr. Jenna Gassman, DO

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

  • NPI 1124636543
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1321 W 22Nd St
Sioux Falls, SD 571051502
(605) 404-4000
Additional location
5225 23Rd Ave S
Fargo, ND 581047927
(701) 234-5933
Mailing address
Po Box 5074
Sioux Falls, SD 571175074

Credentials & registration

NPPES · NUCC
NPI registered
July 2020 — 6 yrs on file
Profile last updated
November 3, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
North Dakota #14671

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124636543. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
65
Distinct HCPCS
2
Medicare allowed
$5,081
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 40 29 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 25 21 $54

In context: peer comparison

Among 33 peers in Sioux Falls Internal Medicine Physician, average services per provider: 142. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jenna Gassman's medical specialty?
Dr. Jenna Gassman practices Internal Medicine Physician in Sioux Falls, SD.
Where does Dr. Jenna Gassman practice?
Dr. Jenna Gassman practices at 1321 W 22Nd St, Sioux Falls, SD 571051502. Office phone: 6054044000.
What is Dr. Jenna Gassman's NPI?
Dr. Jenna Gassman's National Provider Identifier (NPI) is 1124636543, issued by NPPES.
Does Dr. Jenna Gassman accept Medicare assignment?
Yes. Dr. Jenna Gassman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jenna Gassman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.