DR. ALEXANDER STEPHEN SOMWARU MD
NPI 1447413695
Radiology - Diagnostic Radiology in Baltimore, MD
About Dr. Alexander Stephen Somwaru Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER STEPHEN SOMWARU MD (NPI 1447413695) is an individual diagnostic radiology provider in Baltimore, Maryland, licensed in Maryland (D76591) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Suburban Hospital, and maintains a secondary practice location in Washington.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Alexander Stephen Somwaru Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Alexander Somwaru reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21205
- Reassigned Medicare billing, District of Columbia enrollment
- 190 clinicians in this Medicare group
Baltimore, MD 21205
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 1,067 clinicians in this Medicare group
Wantagh, NY 11793
- Reassigned Medicare billing, New York enrollment
- 572 clinicians in this Medicare group
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 372 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 329 clinicians in this Medicare group
Los Angeles, CA 90025
- Reassigned Medicare billing, California enrollment
- 311 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.
Suburban Hospital
Acute Care Hospitals · Bethesda, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Alexander Somwaru's NPI number?
The NPI number for Alexander Somwaru is 1447413695. It was assigned to this individual provider in the NPPES registry on July 8, 2008.
Where is Alexander Somwaru located?
Alexander Somwaru practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 502-2037.
What is Alexander Somwaru's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Alexander Somwaru enrolled in Medicare?
Yes. Alexander Somwaru is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alexander Somwaru's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Somwaru reassigns Medicare benefits to 8 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD), Fpa Hospital Based (New York, NY), North Shore Medical Group Of The Mount Sinai School Of Medicine (Wantagh, NY), Westchester Medical Center Advanced Physician Services PC (Valhalla, NY) and 3 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 Alexander Somwaru's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Somwaru affiliated with any hospitals?
According to CMS data, Alexander Somwaru is affiliated with Suburban Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Somwaru was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Alexander Stephen Somwaru, MD · NPI 1447413695
Diagnostic Radiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 8, 2008.
## Identity
- **NPI:** 1447413695 (Entity type: Individual)
- **Enumerated:** July 8, 2008
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** D76591 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST, Baltimore, MD 21287-0010
- **Phone:** (410) 502-2037
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1093796609, Baltimore, MD); Johns Hopkins University (NPI 1033190442, Baltimore, MD); Fpa Hospital Based (NPI 1487995700, New York, NY); North Shore Medical Group Of The Mount Sinai School Of Medicine (NPI 1992417323, Wantagh, NY); Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** July 14, 2026
- **Other identifiers:** Other MT193407 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1447413695) · Data from the CMS NPPES public registry.