DR. BENJAMIN ARIEL BLOOM MD
NPI 1871020347
Emergency Medicine in Baltimore, MD
About Dr. Benjamin Ariel Bloom Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BENJAMIN ARIEL BLOOM MD (NPI 1871020347) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Massachusetts (1021229) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and is a graduate of University Of Maryland School Of Medicine (2017).
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 and accepts Medicare assignment
Dr. Benjamin Ariel Bloom 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 Reassignments
5Medicare enrollment records show Benjamin Bloom reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 234 clinicians in this Medicare group
Phoenixville, PA 19460
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 clinicians in this Medicare group
Philadelphia, PA 19127
- Reassigned Medicare billing, Pennsylvania enrollment
- 176 clinicians in this Medicare group
Philadelphia, PA 19121
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,991 clinicians in this Medicare group
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 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 6
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.
Cambridge Health Alliance
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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 Benjamin Bloom's NPI number?
The NPI number for Benjamin Bloom is 1871020347. It was assigned to this individual provider in the NPPES registry on May 16, 2017.
Where is Benjamin Bloom located?
Benjamin Bloom practices at 22 S Green St, Baltimore, MD 21201. The listed phone number is (410) 328-8667.
What is Benjamin Bloom's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Benjamin Bloom enrolled in Medicare?
Yes. Benjamin Bloom 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 Benjamin Bloom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Bloom reassigns Medicare benefits to 5 organizations: University Of Maryland Emergency Medicine Associates, PA (Baltimore, MD), Phoenixville Clinic Company LLC (Phoenixville, PA), Chestnut Hill Clinic Company, LLC (Philadelphia, PA), Temple Faculty Practice Plan Inc (Philadelphia, PA) and Cambridge Public Health Commission (Cambridge, 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 Benjamin Bloom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Benjamin Bloom affiliated with any hospitals?
According to CMS data, Benjamin Bloom is affiliated with Cambridge Health Alliance.
When was this NPI record last updated?
The NPPES record for Benjamin Bloom was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.