HELEN DIANA OCONNOR DO
NPI 1033138284
Family Medicine in Oklahoma City, OK
About Helen Diana Oconnor Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN DIANA OCONNOR DO (NPI 1033138284) is an individual family medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (2718) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Norman Regional, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
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
Helen Diana Oconnor Do 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 Helen Oconnor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73159
- Reassigned Medicare billing, Oklahoma enrollment
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 12
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Norman Regional
Acute Care Hospitals · Norman, OKO U Medical Center
Acute Care Hospitals · Oklahoma City, OKIntegris Southwest Medical Center
Acute Care Hospitals · Oklahoma City, OKCommunity Hospital, LLC
Acute Care Hospitals · Oklahoma City, OKOklahoma Center For Orthopaedic & Multi-Sp
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73159 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 17
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73159
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 Helen Oconnor's NPI number?
The NPI number for Helen Oconnor is 1033138284. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Helen Oconnor located?
Helen Oconnor practices at 9809 S Pennsylvania Ave Oklahoma City, Oklahoma City, OK 73159. The listed phone number is (405) 692-1557.
What is Helen Oconnor's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Helen Oconnor enrolled in Medicare?
Yes. Helen Oconnor 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 Helen Oconnor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Oconnor reassigns Medicare benefits to Diana Oconnor Do PC (Oklahoma City, OK). 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 Helen Oconnor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Helen Oconnor accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health and UnitedHealthcare list Helen Oconnor 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.
Is Helen Oconnor affiliated with any hospitals?
According to CMS data, Helen Oconnor is affiliated with Norman Regional, O U Medical Center, Integris Southwest Medical Center, Community Hospital, LLC and Oklahoma Center For Orthopaedic & Multi-Sp.
When was this NPI record last updated?
The NPPES record for Helen Oconnor was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.