IndividualActive
Marc Ellsworth, MD
NPI 1609171115 · Neonatal-Perinatal Medicine Physician · Gilbert, AZ
Provider details
- NPI number
- 1609171115
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
3420 S Mercy Rd Ste 205
Gilbert, AZ 85297-0423
Phone: (602) 933-6345
Street-level locationGet directions
Mailing address
3200 E Camelback Rd Ste 250
Phoenix, AZ 85018-2327
Additional practice locations (1)
- 4107 E Grove CirMesa, AZ 85206-3313Phone: (585) 281-6935
Registry dates
- Enumerated
- 2011-01-13
- Last updated
- 2020-12-09
- Certified
- 2020-12-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.