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ALEXANDER M STEPHAN MD
NPI 1700299856
Pediatrics - Pediatric Emergency Medicine in New York, NY

Active since June 06, 2014PECOS Enrolled
100/100
CMS Quality Rating
525 E 68TH ST # M130, NEW YORK, NY 10065(212) 746-0780 Get Directions Write a Review

NPPES record last updated: January 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 8, 2023, Jul 21, 2022, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Alexander M Stephan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDER M STEPHAN MD (NPI 1700299856) is an individual pediatric emergency medicine provider in New York, New York, licensed in New York (304610) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700299856
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameALEXANDER M STEPHANCredential: MD
Location Address525 E 68TH ST # M130New York, NY 10065-4870
Mailing Address525 E 68th St # M130New York, NY 10065-4870
Phone(212) 746-0780
Sole ProprietorNo
Enumeration DateJune 6, 2014
Last NPPES UpdateJanuary 8, 20234 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2023
✔ NPI 1700299856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in NY · 304610
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
525 E 68TH ST # M130, New York, NY 10065
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander M Stephan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexander Stephan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Weill Medical College Of Cornell
Same address
Emergency Medicine
525 E 68TH ST
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 226 clinicians in this Medicare group
NPI 1205882586 (212) 746-0780

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HANSON HSU MD
Emergency Medicine
525 E 68TH ST # M130
NEW YORK, NY 10065
New York County (212) 746-0780

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Stephan's NPI number?

The NPI number for Alexander Stephan is 1700299856. It was assigned to this individual provider in the NPPES registry on June 6, 2014.

Where is Alexander Stephan located?

Alexander Stephan practices at 525 E 68th St # M130, New York, NY 10065. The listed phone number is (212) 746-0780.

What is Alexander Stephan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Alexander Stephan enrolled in Medicare?

Yes. Alexander Stephan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexander Stephan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Stephan reassigns Medicare benefits to Weill Medical College Of Cornell (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Stephan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alexander Stephan was last updated on January 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.