Elizabeth Portnoy, M.D.
NPI 1720304140 · Emergency Medicine Physician · Kettering, OH
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Portnoy, M.D. is a Emergency Medicine Physician provider in Kettering, OH (NPI 1720304140).
Provider details
- NPI number
- 1720304140
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2010-04-09
- Last updated
- 2013-08-28
Frequently asked questions
- What is Elizabeth Portnoy's NPI number?
- Elizabeth Portnoy's National Provider Identifier (NPI) is 1720304140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Portnoy's specialty?
- Elizabeth Portnoy is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Portnoy located?
- Elizabeth Portnoy's practice location on file with NPPES is 4750 Hempstead Station Dr, Kettering, OH 45429-5164.
- What is Elizabeth Portnoy's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Portnoy is (800) 875-0136.
- Does Elizabeth Portnoy accept Medicare?
- Elizabeth Portnoy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Portnoy's NPI active?
- Yes — Elizabeth Portnoy's NPI (1720304140) is active in the NPPES registry as of the last update on 2013-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.