DR. CATHERINE SEWELL M.D.
NPI 1730108432
Obstetrics & Gynecology in Baltimore, MD
About Dr. Catherine Sewell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE SEWELL M.D. (NPI 1730108432) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Maryland (D53302) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Catherine Sewell M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Catherine Sewell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Towson, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 501 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 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
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 Catherine Sewell's NPI number?
The NPI number for Catherine Sewell is 1730108432. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Catherine Sewell located?
Catherine Sewell practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 614-4496.
What is Catherine Sewell's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Catherine Sewell enrolled in Medicare?
Yes. Catherine Sewell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Catherine Sewell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Sewell reassigns Medicare benefits to University Of Maryland St. Joseph Medical Group, LLC (Towson, 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 Catherine Sewell'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 Catherine Sewell was last updated on October 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Catherine Sewell, M.D. · NPI 1730108432
Obstetrics & Gynecology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 19, 2006.
## Identity
- **NPI:** 1730108432 (Entity type: Individual)
- **Enumerated:** July 19, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** D53302 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 614-4496
## 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:** University Of Maryland St. Joseph Medical Group, LLC (NPI 1053816074, Towson, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 6, 2008
- **Other identifiers:** Medicaid 024103200 (MD); Medicare PIN H775756V (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1730108432) · Data from the CMS NPPES public registry.