Doctor profile · Federal record
Dr. James Nash, DO
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Marshfield, WI
- NPI 1013323187
- Accepts Medicare
- MIPS 84.6 / 100 · 2023
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1000 N Oak Ave
Marshfield, WI 54449
(715) 387-5511 - Additional location
-
1111 6Th Ave
Des Moines, IA 503142613
(515) 643-8678
fax (515) 643-5802
Credentials & registration
- NPI registered
- July 2014 — 12 yrs on file
- Profile last updated
- February 16, 2024
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Wisconsin #67684 · Iowa #R-10126
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013323187. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,564
Distinct HCPCS
10
Medicare allowed
$30,597
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
80053 |
Blood test, comprehensive group of blood chemicals | 312 | 264 | $10 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 213 | 205 | $13 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 180 | 144 | $8 | |
85610 |
Blood test, clotting time | 179 | 18 | $4 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 139 | 135 | $6 | |
83036 |
Hemoglobin a1c level | 107 | 82 | $9 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 79 | 73 | $93 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 68 | 53 | $8 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 67 | 60 | $16 | |
77063 |
Screening 3d breast mammography | 38 | 38 | $23 |
In context: peer comparison
Among 14 peers in Marshfield Internal Medicine Physician, average services per provider: 82. This provider delivers 19× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,667
Patients
1,538
Total drug cost
$59,975
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 560 | 197 | $7,044 |
| Levothyroxine Sodium | Generic | 492 | 148 | $6,879 |
| Omeprazole | Generic | 476 | 166 | $7,561 |
| Lisinopril | Generic | 441 | 144 | $4,322 |
| Amlodipine Besylate | Generic | 393 | 126 | $2,958 |
| Simvastatin | Generic | 274 | 89 | $2,907 |
| Losartan Potassium | Generic | 273 | 88 | $4,065 |
| Metoprolol Succinate | Generic | 257 | 96 | $5,334 |
| Rosuvastatin Calcium | Generic | 254 | 81 | $5,625 |
| Metformin Hcl | Generic | 249 | 87 | $2,626 |
Hospital affiliations
Frequently asked questions
What is Dr. James Nash's medical specialty?
Dr. James Nash practices Internal Medicine Physician in Marshfield, WI.
Where does Dr. James Nash practice?
Dr. James Nash practices at 1000 N Oak Ave, Marshfield, WI 54449. Office phone: 7153875511.
What is Dr. James Nash's NPI?
Dr. James Nash's National Provider Identifier (NPI) is 1013323187, issued by NPPES.
Does Dr. James Nash accept Medicare assignment?
Yes. Dr. James Nash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Nash commonly perform?
Top Medicare-reported procedures in 2023: Blood test, comprehensive group of blood chemicals (HCPCS 80053); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.