IndividualActive
John Ernst
NPI 1184373342 · Emergency Medicine Physician · New York, NY
John Ernst is a Emergency Medicine Physician provider in New York, NY (NPI 1184373342).
Provider details
- NPI number
- 1184373342
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- ME179399 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% 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
1 Gustave L Levy Pl
New York, NY 10029-6504
Phone: (212) 824-8036
Street-level locationGet directions
Mailing address
1 Gustave L Levy Pl
New York, NY 10029-6504
Additional practice locations (1)
- 800 Prudential DrJacksonville, FL 32207-8202Phone: (904) 202-2000
Registry dates
- Enumerated
- 2022-03-23
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is John Ernst's NPI number?
- John Ernst's National Provider Identifier (NPI) is 1184373342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ernst's specialty?
- John Ernst is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Ernst located?
- John Ernst's practice location on file with NPPES is 1 Gustave L Levy Pl, New York, NY 10029-6504.
- What is John Ernst's phone number?
- The practice phone number listed in the NPPES registry for John Ernst is (212) 824-8036.
- Is John Ernst's NPI active?
- Yes — John Ernst's NPI (1184373342) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.