Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SES OPERATING CORP
NPI 1427125632
Clinic/Center - Primary Care in New York, NY

Active since November 30, 2006
2369 2ND AVE, NEW YORK, NY 10035(212) 876-2300(917) 492-9202 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Ses Operating Corp NPPES

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

SES OPERATING CORP (NPI 1427125632), doing business as Harlem East Life Plan, is a healthcare organization registered as a primary care in New York, New York and active in the NPI registry since November 2006. The organization lists Jonathan Wesley Steiner, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1427125632
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameSES OPERATING CORP
Location Address2369 2ND AVENew York, NY 10035-3108
Mailing Address2369 2nd AveNew York, NY 10035-3108 · (212) 876-2300 · Fax (917) 492-9202
Fax(917) 492-9202
Organization SubpartNo
Authorized OfficialJonathan Wesley SteinerExecutive Director · (212) 876-2300
Enumeration DateNovember 30, 2006
Last NPPES UpdateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1427125632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
Also ListedClinic/Center · MethadoneTaxonomy 261QM2800X
2369 2ND AVE, New York, NY 10035

Other Names 1

Doing Business AsHarlem East Life Plan

Other Identifiers 3

Other237162NY · Healthfirst
Medicaid01979006NY
Other067AN1NY · Empire Blue Cross Blue Sh

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ses Operating Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Ses Operating Corp, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Internal Medicine
NPI 1548288277
2369 2ND AVE
New York, NY 10035
(212) 876-2300
✔ PECOSSame address
Psychiatry
NPI 1861541013
2367-69 2ND AVE 1ST FLOOR
New York, NY 10035
(212) 876-2300
✔ PECOS✔ Accepts Medicare5.9 mi
Nurse Practitioner
NPI 1295327864
1985 MARCUS AVE STE 110
New Hyde Park, NY 11042
(657) 237-2450
✔ PECOS✔ Accepts Medicare13 mi

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Medication assisted treatment, methadone; weekly bundle including dispensing and/or administration, substance use counseling, individual and group therapy, and toxicology testing, if performed (provision of the services by a medicare-enrolled opioid treatm G2067
Medication Assisted Treatment (MAT) with methadone is a comprehensive approach to manage opioid addiction. It includes weekly methadone dispensing, substance use counseling, individual and group therapy sessions, and toxicology tests as needed, all provided by a Medicare-enrolled opioid treatment program.
1,341 services64 patients

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 Ses Operating Corp's NPI number?

The NPI number for Ses Operating Corp is 1427125632. It was assigned to this organization in the NPPES registry on November 30, 2006. The provider is doing business as Harlem East Life Plan.

Where is Ses Operating Corp located?

Ses Operating Corp is located at 2369 2nd Ave, New York, NY 10035. The listed phone number is (212) 876-2300.

What is Ses Operating Corp's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Ses Operating Corp enrolled in Medicare?

Yes. Ses Operating Corp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ses Operating Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Ses Operating Corp, in Internal Medicine, Nurse Practitioner and Psychiatry. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ses Operating Corp was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.