Mazin Ellias, M.D.
NPI 1770500431 · Pain Medicine (Anesthesiology) Physician · Greenfield, WI
Mazin Ellias, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Greenfield, WI (NPI 1770500431).
Provider details
- NPI number
- 1770500431
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 40486020 (WI)
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2014-02-03
Frequently asked questions
- What is Mazin Ellias's NPI number?
- Mazin Ellias's National Provider Identifier (NPI) is 1770500431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mazin Ellias's specialty?
- Mazin Ellias is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Mazin Ellias located?
- Mazin Ellias's practice location on file with NPPES is 4131 W Loomis Rd, Greenfield, WI 53221-2057.
- What is Mazin Ellias's phone number?
- The practice phone number listed in the NPPES registry for Mazin Ellias is (414) 325-7246.
- Is Mazin Ellias's NPI active?
- Yes — Mazin Ellias's NPI (1770500431) is active in the NPPES registry as of the last update on 2014-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.