MS. KATHERINE O'BRIEN
NPI 1205855780
Midwife in Hanover, MD
About Ms. Katherine O'brien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KATHERINE O'BRIEN (NPI 1205855780) is an individual midwife in Hanover, Maryland, licensed in Maryland (R131471) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2004).
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 and accepts Medicare assignment
Ms. Katherine O'brien 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
2Medicare enrollment records show Katherine O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 966 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Obstetrical And Gynecological Associates PA
- 68 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.
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.
HANOVER, MD 21076
HANOVER, MD 21076
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 Katherine O'brien's NPI number?
The NPI number for Katherine O'brien is 1205855780. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Katherine O'brien located?
Katherine O'brien practices at 7556 Teague Rd Suite 430, Hanover, MD 21076. The listed phone number is (410) 553-8260.
What is Katherine O'brien's specialty?
The primary specialty registered for this NPI is Midwife with taxonomy code 176B00000X.
Is Katherine O'brien enrolled in Medicare?
Yes. Katherine O'brien 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 Katherine O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine O'brien reassigns Medicare benefits to 2 organizations: University Of Maryland Community Medical Group, Inc. (Glen Burnie, MD) and University Of MD Obstetrical And Gynecological Asso. PA (Baltimore, MD). 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 Katherine O'brien'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 Katherine O'brien was last updated on March 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.