Michelle Ellis, M.D..
NPI 1194926600 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Appleton, WI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Ellis, M.D.. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Appleton, WI (NPI 1194926600).
Provider details
- NPI number
- 1194926600
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D..
- Sex
- Female
- Sole proprietor
- No
- License
- 56534 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2900 12th Ave NSuite 400eBillings, MT 59101-7506Phone: (406) 238-6820Fax: (406) 238-6838
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2024-10-08
- Certified
- 2024-10-08
Frequently asked questions
- What is Michelle Ellis's NPI number?
- Michelle Ellis's National Provider Identifier (NPI) is 1194926600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Ellis's specialty?
- Michelle Ellis is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Ellis located?
- Michelle Ellis's practice location on file with NPPES is 1818 N Meade St, Appleton, WI 54911-3454.
- What is Michelle Ellis's phone number?
- The practice phone number listed in the NPPES registry for Michelle Ellis is (920) 731-8900.
- Does Michelle Ellis accept Medicare?
- Michelle Ellis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Ellis's NPI active?
- Yes — Michelle Ellis's NPI (1194926600) is active in the NPPES registry as of the last update on 2024-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.