MRS. KIM M O'BRIEN NURSE PRACTITIONER
NPI 1043539893
Nurse Practitioner - Family in New York, NY
About Mrs. Kim M O'brien Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KIM M O'BRIEN NURSE PRACTITIONER (NPI 1043539893) is an individual family provider in New York, New York, licensed in New York (33334681) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (2005).
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
Mrs. Kim M O'brien Nurse Practitioner 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 Reassignment
Medicare enrollment records show Kim O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 29 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJEnglewood Hospital And Medical Center
Acute Care Hospitals · Englewood, NJNew York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 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 Kim O'brien's NPI number?
The NPI number for Kim O'brien is 1043539893. It was assigned to this individual provider in the NPPES registry on May 19, 2010.
Where is Kim O'brien located?
Kim O'brien practices at 525 E 68th St Rm 404, New York, NY 10065. The listed phone number is (212) 746-5194.
What is Kim O'brien's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kim O'brien enrolled in Medicare?
Yes. Kim 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 organization bills Medicare for Kim O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kim O'brien reassigns Medicare benefits to Weill Medical College Of Cornell (New York, NY). 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 Kim O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kim O'brien affiliated with any hospitals?
According to CMS data, Kim O'brien is affiliated with Morristown Medical Center, Englewood Hospital And Medical Center and New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Kim O'brien was last updated on May 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.