John Ellis, MD
NPI 1275531436 · Emergency Medicine Physician · Martinsburg, WV
John Ellis, MD is a Emergency Medicine Physician provider in Martinsburg, WV (NPI 1275531436).
Provider details
- NPI number
- 1275531436
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16478 (WV)
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
20 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
- 2005-07-12
- Last updated
- 2010-03-30
Frequently asked questions
- What is John Ellis's NPI number?
- John Ellis's National Provider Identifier (NPI) is 1275531436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ellis's specialty?
- John Ellis is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Ellis located?
- John Ellis's practice location on file with NPPES is 2500 Hospital Drive, Martinsburg, WV 25401.
- What is John Ellis's phone number?
- The practice phone number listed in the NPPES registry for John Ellis is (304) 264-1000.
- Is John Ellis's NPI active?
- Yes — John Ellis's NPI (1275531436) is active in the NPPES registry as of the last update on 2010-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.