Nicholas Vaughn, MD
NPI 1629462965 · Rheumatology Physician · Summit, WI
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Vaughn, MD is a Rheumatology Physician provider in Summit, WI (NPI 1629462965).
Provider details
- NPI number
- 1629462965
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01092783A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
387 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 | 167 | $120 |
| 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 | 136 | $15 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $85 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 15 | $103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 271 | 90 |
| Methotrexate Sodiumbrand: Methotrexate | 156 | 61 |
| Hydroxychloroquine Sulfate | 92 | 27 |
| Alendronate Sodium | 58 | 23 |
| Allopurinol | 51 | 15 |
| Adalimumabbrand: Humira(cf) Pen | 43 | — |
| Folic Acid | 38 | 15 |
Practice location
Mailing address
Additional practice locations (3)
- 201 Pennsylvania Pkwy Ste 100Carmel, IN 46280-1393Phone: (317) 944-1000Fax: (317) 817-1410
- 1701 N Senate BlvdIndianapolis, IN 46202-1239Phone: (888) 484-3258
- 8701 W Watertown Plank RdMilwaukee, WI 53226-3548Phone: (414) 955-4575Fax: (414) 955-6528
Registry dates
- Enumerated
- 2015-03-25
- Last updated
- 2025-03-14
- Certified
- 2025-03-14
Frequently asked questions
- What is Nicholas Vaughn's NPI number?
- Nicholas Vaughn's National Provider Identifier (NPI) is 1629462965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Vaughn's specialty?
- Nicholas Vaughn is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Vaughn located?
- Nicholas Vaughn's practice location on file with NPPES is 36500 Aurora Dr, Summit, WI 53066-4899.
- What is Nicholas Vaughn's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Vaughn is (262) 434-1000.
- Does Nicholas Vaughn accept Medicare?
- Nicholas Vaughn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Vaughn's NPI active?
- Yes — Nicholas Vaughn's NPI (1629462965) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.