KYLE PATRICK O'BRIEN APRN
NPI 1639950744
Nurse Practitioner - Gerontology in Guilford, CT
About Kyle Patrick O'brien Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KYLE PATRICK O'BRIEN APRN (NPI 1639950744) is an individual gerontology provider in Guilford, Connecticut, licensed in Connecticut (12501) and active in the NPI registry since October 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in New Haven, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Kyle Patrick O'brien Aprn 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 Kyle O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06511
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06437 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GUILFORD, CT 06437
GUILFORD, CT 06437
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 Kyle O'brien's NPI number?
The NPI number for Kyle O'brien is 1639950744. It was assigned to this individual provider in the NPPES registry on October 13, 2023.
Where is Kyle O'brien located?
Kyle O'brien practices at 800 Boston Post Rd, Guilford, CT 06437. The listed phone number is (877) 925-3637.
What is Kyle O'brien's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Kyle O'brien enrolled in Medicare?
Yes. Kyle 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 Kyle O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kyle O'brien reassigns Medicare benefits to Yale University (New Haven, CT). 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 Kyle O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kyle O'brien accept?
Health plans from Anthem Blue Cross and Blue Shield list Kyle O'brien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kyle O'brien was last updated on October 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Kyle Patrick O'brien, APRN · NPI 1639950744
Gerontology physician in Guilford, Connecticut. Individual provider, active in the CMS NPPES registry since October 13, 2023.
## Identity
- **NPI:** 1639950744 (Entity type: Individual)
- **Enumerated:** October 13, 2023
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 12501 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 BOSTON POST RD, Guilford, CT 06437-2747
- **Phone:** (877) 925-3637
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Yale University (NPI 1205822236, New Haven, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 13, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1639950744) · Data from the CMS NPPES public registry.