HISHAM YOUSIF
NPI 1548623648
Internal Medicine in New York, NY
About Hisham Yousif NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HISHAM YOUSIF (NPI 1548623648) is an individual internal medicine provider in New York, New York, licensed in New York (298788) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
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
Hisham Yousif 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 Reassignments
7Medicare enrollment records show Hisham Yousif reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 769 clinicians in this Medicare group
Camp Hill, PA 17011
- Reassigned Medicare billing, Pennsylvania enrollment
- 17 clinicians in this Medicare group
Buffalo, NY 14221
- Reassigned Medicare billing, New York enrollment
- 28 clinicians in this Medicare group
Beavercreek, OH 45540
- Reassigned Medicare billing, Ohio enrollment
- 4 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Florida and Tennessee enrollments
- 12 clinicians in this Medicare group
Huntington Beach, CA 92647
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Concertocare Medical Group Of California PC
- 46 clinicians in this Medicare group
Los Angeles, CA 90028
- Reassigned Medicare billing, New Jersey enrollment
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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
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 Hisham Yousif's NPI number?
The NPI number for Hisham Yousif is 1548623648. It was assigned to this individual provider in the NPPES registry on April 5, 2016.
Where is Hisham Yousif located?
Hisham Yousif practices at 1 Gustave L Levy Pl, New York, NY 10029. The listed phone number is (212) 241-1653.
What is Hisham Yousif's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hisham Yousif enrolled in Medicare?
Yes. Hisham Yousif 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 organizations bill Medicare for Hisham Yousif's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hisham Yousif reassigns Medicare benefits to 7 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY), Concertocare Medical Group Of Pennsylvania, PC (Camp Hill, PA), Concerto Care Medical Group Of New York, PC (Buffalo, NY), Concertocare Medical Group Of Ohio, Inc. (Beavercreek, OH), Concertocare Medical Group Of Tennessee, PC (Nashville, TN) and 2 more organizations, listed in the Medicare section above. Each 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 Hisham Yousif's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hisham Yousif accept?
Health plans from CareSource list Hisham Yousif 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.
Is Hisham Yousif affiliated with any hospitals?
According to CMS data, Hisham Yousif is affiliated with Mount Sinai Hospital.
When was this NPI record last updated?
The NPPES record for Hisham Yousif was last updated on February 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Hisham Yousif · NPI 1548623648
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 5, 2016.
## Identity
- **NPI:** 1548623648 (Entity type: Individual)
- **Enumerated:** April 5, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 298788 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 GUSTAVE L LEVY PL, New York, NY 10029
- **Phone:** (212) 241-1653 · **Fax:** (212) 289-6393
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1659639524, New York, NY); Concertocare Medical Group Of Pennsylvania, PC (NPI 1235969171, Camp Hill, PA); Concerto Care Medical Group Of New York, PC (NPI 1720805963, Buffalo, NY); Concertocare Medical Group Of Ohio, Inc. (NPI 1982399275, Beavercreek, OH); Concertocare Medical Group Of Tennessee, PC (NPI 1780423863, Nashville, TN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2016
## Record status
- **NPPES last updated:** February 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1548623648) · Data from the CMS NPPES public registry.