JOHN A O'CONNOR IV M.D.
NPI 1649245770
Obstetrics & Gynecology in Cincinnati, OH
About John A O'connor Iv M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN A O'CONNOR IV M.D. (NPI 1649245770) is an individual obstetrics & gynecology provider in Cincinnati, Ohio, licensed in Ohio (35 125599) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (1988).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
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
John A O'connor Iv M.d. 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
3Medicare enrollment records show John O'connor reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cincinnati, OH 45219
- Reassigned Medicare billing, Ohio enrollment
- 2,038 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Obhg Texas Holdings PA
- 998 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 64 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 45219 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
CINCINNATI, OH 45219
CINCINNATI, OH 45219
CINCINNATI, OH 45219
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 John O'connor's NPI number?
The NPI number for John O'connor is 1649245770. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is John O'connor located?
John O'connor practices at 222 Piedmont Ave, Cincinnati, OH 45219. The listed phone number is (513) 475-8588.
What is John O'connor's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John O'connor enrolled in Medicare?
Yes. John O'connor 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 John O'connor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John O'connor reassigns Medicare benefits to 3 organizations: University Of Cincinnati Physicians Company, LLC (Cincinnati, OH), Obhg Texas Holdings, P.A. (Austin, TX) and Lone Star Ob/Gyn Associates, P.A. (San Antonio, TX). 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 John O'connor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John O'connor accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Texas and 5 other insurers list John O'connor 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 John O'connor was last updated on November 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.