DR. IAN JEFFREY COHEN M.D.
NPI 1962715144
Internal Medicine - Gastroenterology in New York, NY
About Dr. Ian Jeffrey Cohen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IAN JEFFREY COHEN M.D. (NPI 1962715144) is an individual gastroenterology provider in New York, New York, licensed in New York (273624) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai St Luke's Roosevelt Hospital, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ian Jeffrey Cohen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ian Cohen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10011
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1730440777 (New York)
- 309 clinicians in this Medicare group
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 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai St Luke's Roosevelt Hospital
Acute Care Hospitals · New York, NYMount Sinai Beth Israel
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ian Cohen's NPI number?
The NPI number for Ian Cohen is 1962715144. It was assigned to this individual provider in the NPPES registry on July 16, 2010.
Where is Ian Cohen located?
Ian Cohen practices at 10 Union Sq E # 3H, New York, NY 10003. The listed phone number is (212) 844-8106.
What is Ian Cohen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Ian Cohen enrolled in Medicare?
Yes. Ian Cohen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ian Cohen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Cohen reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (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 Ian Cohen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ian Cohen affiliated with any hospitals?
According to CMS data, Ian Cohen is affiliated with Mount Sinai St Luke's Roosevelt Hospital and Mount Sinai Beth Israel.
When was this NPI record last updated?
The NPPES record for Ian Cohen was last updated on April 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Ian Jeffrey Cohen, M.D. · NPI 1962715144
Gastroenterology physician in New York, New York. Individual provider, active in the CMS NPPES registry since July 16, 2010.
## Identity
- **NPI:** 1962715144 (Entity type: Individual)
- **Enumerated:** July 16, 2010
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 273624 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 10 UNION SQ E # 3H, New York, NY 10003-3314
- **Phone:** (212) 844-8106
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Icahn School Of Medicine At Mount Sinai (NPI 1568841930, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** April 17, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1962715144) · Data from the CMS NPPES public registry.