James Nash, DO
NPI 1013323187 · Internal Medicine Physician · Marshfield, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Nash, DO is a Internal Medicine Physician provider in Marshfield, WI (NPI 1013323187).
Provider details
- NPI number
- 1013323187
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- R-10126 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
663 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 322 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 130 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 102 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $62 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 158 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 658 | 270 |
| Lisinopril | 484 | 194 |
| Omeprazole | 422 | 157 |
| Amlodipine Besylate | 379 | 149 |
| Metoprolol Succinate | 333 | 117 |
| Levothyroxine Sodium | 315 | 122 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 1111 6th AveDes Moines, IA 50314-2613Phone: (515) 643-8678Fax: (515) 643-5802
Registry dates
- Enumerated
- 2014-07-09
- Last updated
- 2024-02-16
- Certified
- 2024-02-16
Frequently asked questions
- What is James Nash's NPI number?
- James Nash's National Provider Identifier (NPI) is 1013323187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Nash's specialty?
- James Nash is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Nash located?
- James Nash's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449.
- What is James Nash's phone number?
- The practice phone number listed in the NPPES registry for James Nash is (715) 387-5511.
- Does James Nash accept Medicare?
- James Nash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Nash's NPI active?
- Yes — James Nash's NPI (1013323187) is active in the NPPES registry as of the last update on 2024-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.