CLINICAL IMMUNOLOGY DIVISION OF MOUNT SINAI
NPI 1639430671
Allergy & Immunology in New York, NY
About Clinical Immunology Division Of Mount Sinai NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLINICAL IMMUNOLOGY DIVISION OF MOUNT SINAI (NPI 1639430671) is a healthcare organization registered as an allergy & immunology in New York, New York and active in the NPI registry since June 2012. The organization lists Crystal Macneill, Vice President, Cbo Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Clinical Immunology Division Of Mount Sinai is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
18Medicare enrollment records show 18 clinicians reassign Medicare billing to Clinical Immunology Division Of Mount Sinai, which bills Medicare for the services they deliver. Of these, 17 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (18)
New York, NY 10003
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Icahn School Of Medicine At Mount Sinai's NPI number?
The NPI number for Icahn School Of Medicine At Mount Sinai is 1639430671. It was assigned to this organization in the NPPES registry on June 6, 2012. The provider is doing business as Clinical Immunology Division Of Mount Sinai.
Where is Icahn School Of Medicine At Mount Sinai located?
Icahn School Of Medicine At Mount Sinai is located at 1 Gustave L Levy Pl, New York, NY 10029. The listed phone number is (212) 987-3100.
What is Icahn School Of Medicine At Mount Sinai's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Icahn School Of Medicine At Mount Sinai enrolled in Medicare?
Yes. Icahn School Of Medicine At Mount Sinai is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Icahn School Of Medicine At Mount Sinai?
According to the CMS Revalidation Reassignment List (October 2026 release), 18 clinicians in 2 Medicare specialties reassign their Medicare billing to Icahn School Of Medicine At Mount Sinai. 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. The largest specialties are Allergy/Immunology (16) and Nurse Practitioner (2). Of these, 17 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Icahn School Of Medicine At Mount Sinai accept?
Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Icahn School Of Medicine At Mount Sinai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Icahn School Of Medicine At Mount Sinai was last updated on June 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Clinical Immunology Division Of Mount Sinai · NPI 1639430671
Allergy & Immunology organization in New York, New York. Organization record, active in the CMS NPPES registry since June 6, 2012.
## Identity
- **NPI:** 1639430671 (Entity type: Organization)
- **Enumerated:** June 6, 2012
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **Legal business name:** Icahn School Of Medicine At Mount Sinai
- **Organization subpart:** No
- **Authorized official:** Crystal Macneill, VICE PRESIDENT, CBO DIRECTOR
## Practice location
- **Address:** 1 GUSTAVE L LEVY PL, New York, NY 10029-6574
- **Phone:** (212) 987-3100 · **Fax:** (212) 731-5220
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 18 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Allergy/Immunology (16), Nurse Practitioner (2); 17 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1639430671) · Data from the CMS NPPES public registry.