CARL HASHEM MD
NPI 1477139558
Hospitalist in Boston, MA
About Carl Hashem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARL HASHEM MD (NPI 1477139558) is an individual hospitalist provider in Boston, Massachusetts, licensed in New York (328052) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Carl Hashem Md 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 Carl Hashem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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
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.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Carl Hashem's NPI number?
The NPI number for Carl Hashem is 1477139558. It was assigned to this individual provider in the NPPES registry on March 20, 2021.
Where is Carl Hashem located?
Carl Hashem practices at 725 Albany St, Boston, MA 02118. The listed phone number is (617) 414-5951.
What is Carl Hashem's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Carl Hashem enrolled in Medicare?
Yes. Carl Hashem 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 Carl Hashem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carl Hashem reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Carl Hashem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Carl Hashem affiliated with any hospitals?
According to CMS data, Carl Hashem is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Carl Hashem was last updated on May 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Carl Hashem, MD · NPI 1477139558
Hospitalist physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 20, 2021.
## Identity
- **NPI:** 1477139558 (Entity type: Individual)
- **Enumerated:** March 20, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 328052 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 ALBANY ST, Boston, MA 02118-3549
- **Phone:** (617) 414-5951
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** New York University (NPI 1285826438, Boynton Beach, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 16, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1477139558) · Data from the CMS NPPES public registry.