Alexander Stephan, MD
NPI 1700299856 · Pediatric Emergency Medicine (Pediatrics) Physician · New York, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Stephan, MD is a Pediatric Emergency Medicine (Pediatrics) Physician provider in New York, NY (NPI 1700299856).
Provider details
- NPI number
- 1700299856
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 304610 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2014-06-06
- Last updated
- 2023-01-08
- Certified
- 2023-01-08
Frequently asked questions
- What is Alexander Stephan's NPI number?
- Alexander Stephan's National Provider Identifier (NPI) is 1700299856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Stephan's specialty?
- Alexander Stephan is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Stephan located?
- Alexander Stephan's practice location on file with NPPES is 525 E 68th St # M130, New York, NY 10065-4870.
- What is Alexander Stephan's phone number?
- The practice phone number listed in the NPPES registry for Alexander Stephan is (212) 746-0780.
- Does Alexander Stephan accept Medicare?
- Alexander Stephan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Stephan's NPI active?
- Yes — Alexander Stephan's NPI (1700299856) is active in the NPPES registry as of the last update on 2023-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.