Doctor profile · Federal record
Dr. Mark Gundersen, MD
Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Fergus Falls, MN
- NPI 1952390106
- Accepts Medicare
- 37 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
712 South Cascade Street
Fergus Falls, MN 565372813
(218) 736-8000
fax (218) 739-6742 - Mailing address
-
1216 Ryans RD
Worthington, MN 561871722
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- October 29, 2019
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Minnesota #35677 · Michigan #4301069187
- Medicaid
- MI #4540600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952390106. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,846
Distinct HCPCS
10
Medicare allowed
$19,744
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 405 | 231 | $8 | |
85610 |
Blood test, clotting time | 267 | 37 | $4 | |
80053 |
Blood test, comprehensive group of blood chemicals | 182 | 163 | $10 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 141 | 136 | $13 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 104 | 85 | $8 | |
82043 |
Urine microalbumin (protein) level | 100 | 97 | $6 | |
83036 |
Hemoglobin a1c level | 98 | 65 | $10 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 97 | 88 | $8 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 86 | 84 | $5 | |
81001 |
Manual urinalysis test with examination using microscope, automated | 63 | 44 | $3 |
In context: peer comparison
Among 4 peers in Fergus Falls Family Medicine Physician, average services per provider: 95. This provider delivers 19× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,916
Patients
692
Total drug cost
$34,415
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 313 | 74 | $3,996 |
| Atorvastatin Calcium | Generic | 247 | 62 | $3,802 |
| Simvastatin | Generic | 234 | 61 | $2,254 |
| Metformin Hcl | Generic | 232 | 54 | $2,121 |
| Omeprazole | Generic | 222 | 51 | $2,263 |
| Lisinopril | Generic | 206 | 47 | $2,079 |
| Rosuvastatin Calcium | Generic | 185 | 46 | $3,165 |
| Losartan Potassium | Generic | 180 | 52 | $2,999 |
| Furosemide | Generic | 179 | 36 | $819 |
| Metoprolol Succinate | Generic | 178 | 46 | $2,964 |
Frequently asked questions
What is Dr. Mark Gundersen's medical specialty?
Dr. Mark Gundersen practices Family Medicine Physician in Fergus Falls, MN.
Where does Dr. Mark Gundersen practice?
Dr. Mark Gundersen practices at 712 South Cascade Street, Fergus Falls, MN 565372813. Office phone: 2187368000.
What is Dr. Mark Gundersen's NPI?
Dr. Mark Gundersen's National Provider Identifier (NPI) is 1952390106, issued by NPPES.
Does Dr. Mark Gundersen accept Medicare assignment?
Yes. Dr. Mark Gundersen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Gundersen commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, clotting time (HCPCS 85610); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.