DR. PHILIPP JOHANN FASSBENDER MD
NPI 1003465386
Anesthesiology in Bronx, NY
About Dr. Philipp Johann Fassbender Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILIPP JOHANN FASSBENDER MD (NPI 1003465386) is an individual anesthesiology provider in Bronx, New York, licensed in Massachusetts (282073) and active in the NPI registry since September 2019. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Philipp Johann Fassbender Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Philipp Fassbender reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 332 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10467
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 Philipp Fassbender's NPI number?
The NPI number for Philipp Fassbender is 1003465386. It was assigned to this individual provider in the NPPES registry on September 9, 2019.
Where is Philipp Fassbender located?
Philipp Fassbender practices at 111 E 210th St, Bronx, NY 10467. The listed phone number is (718) 920-4316.
What is Philipp Fassbender's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Philipp Fassbender enrolled in Medicare?
Yes. Philipp Fassbender is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Philipp Fassbender's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philipp Fassbender reassigns Medicare benefits to 5 organizations: Montefiore Medical Center (Bronx, NY), Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). 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 Philipp Fassbender's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Philipp Fassbender affiliated with any hospitals?
According to CMS data, Philipp Fassbender is affiliated with Montefiore Medical Center.
When was this NPI record last updated?
The NPPES record for Philipp Fassbender was last updated on April 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Philipp Johann Fassbender, MD · NPI 1003465386
Anesthesiology physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since September 9, 2019.
## Identity
- **NPI:** 1003465386 (Entity type: Individual)
- **Enumerated:** September 9, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 282073 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 E 210TH ST, Bronx, NY 10467-2401
- **Phone:** (718) 920-4316
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Montefiore Medical Center (NPI 1063525152, Bronx, NY); Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1093756629, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** April 1, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1003465386) · Data from the CMS NPPES public registry.