LEONARD STUART BLOOM MD
NPI 1114030301
Urology in Rockville, MD
About Leonard Stuart Bloom Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEONARD STUART BLOOM MD (NPI 1114030301) is an individual urology provider in Rockville, Maryland, licensed in Maryland (D39918) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leonard Stuart Bloom Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Leonard Bloom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 96 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20850 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 3
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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE, MD 20850
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 Leonard Bloom's NPI number?
The NPI number for Leonard Bloom is 1114030301. It was assigned to this individual provider in the NPPES registry on August 15, 2006.
Where is Leonard Bloom located?
Leonard Bloom practices at 9420 Key West Ave. Suite 420, Rockville, MD 20850. The listed phone number is (301) 258-1919.
What is Leonard Bloom's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Leonard Bloom enrolled in Medicare?
Yes. Leonard Bloom is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Leonard Bloom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonard Bloom reassigns Medicare benefits to Chesapeake Urology Associates, LLC (Rockville, MD). 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 Leonard Bloom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Leonard Bloom was last updated on September 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Leonard Stuart Bloom, MD · NPI 1114030301
Urology physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since August 15, 2006.
## Identity
- **NPI:** 1114030301 (Entity type: Individual)
- **Enumerated:** August 15, 2006
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** D39918 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9420 KEY WEST AVE., SUITE 420, Rockville, MD 20850
- **Phone:** (301) 258-1919 · **Fax:** (301) 258-9180
## 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:** Chesapeake Urology Associates, LLC (NPI 1780409441, Rockville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 6, 2017
- **Other identifiers:** Medicare ID-Type Unspecified 608362U22; Medicare UPIN F06042; Medicaid 063461100 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1114030301) · Data from the CMS NPPES public registry.