Nicholas Barnes, DO
NPI 1578531976 · Internal Medicine Physician · Sheboygan, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Barnes, DO is a Internal Medicine Physician provider in Sheboygan, WI (NPI 1578531976).
Provider details
- NPI number
- 1578531976
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- License
- 49098021 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,771 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 528 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 453 | $120 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 414 | $8 |
| Hemoglobin A1c Level83036 | 323 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 224 | $122 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 201 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 266 | 81 |
| Furosemide | 206 | 48 |
| Levothyroxine Sodium | 173 | 46 |
| Lisinopril | 124 | 42 |
| Amlodipine Besylate | 103 | 36 |
| Metoprolol Succinate | 102 | 34 |
| Metformin Hcl | 90 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nicholas Barnes's NPI number?
- Nicholas Barnes's National Provider Identifier (NPI) is 1578531976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Barnes's specialty?
- Nicholas Barnes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Barnes located?
- Nicholas Barnes's practice location on file with NPPES is 2920 Superior Ave, Sheboygan, WI 53081-1944.
- What is Nicholas Barnes's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Barnes is (920) 453-5412.
- Does Nicholas Barnes accept Medicare?
- Nicholas Barnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Barnes's NPI active?
- Yes — Nicholas Barnes's NPI (1578531976) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.