JOHN E. O'MARA M.D.
NPI 1548376601
Internal Medicine - Interventional Cardiology in Honolulu, HI
About John E. O'mara M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN E. O'MARA M.D. (NPI 1548376601) is an individual interventional cardiology provider in Honolulu, Hawaii, licensed in Hawaii (PENDING) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Kaiser Foundation Hospital, and is a graduate of University Of Connecticut School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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 E. O'mara 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 Reassignment
Medicare enrollment records show John O'mara reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaiser Foundation Hospital
Acute Care Hospitals · Honolulu, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96819 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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'mara's NPI number?
The NPI number for John O'mara is 1548376601. It was assigned to this individual provider in the NPPES registry on August 22, 2006.
Where is John O'mara located?
John O'mara practices at 3288 Moanalua Rd, Honolulu, HI 96819. The listed phone number is (808) 432-0000.
What is John O'mara's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is John O'mara enrolled in Medicare?
Yes. John O'mara 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 John O'mara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John O'mara reassigns Medicare benefits to Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 John O'mara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John O'mara accept?
Health plans from Kaiser Permanente list John O'mara 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 John O'mara affiliated with any hospitals?
According to CMS data, John O'mara is affiliated with Kaiser Foundation Hospital.
When was this NPI record last updated?
The NPPES record for John O'mara was last updated on August 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# John E. O'mara, M.D. · NPI 1548376601
Interventional Cardiology physician in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since August 22, 2006.
## Identity
- **NPI:** 1548376601 (Entity type: Individual)
- **Enumerated:** August 22, 2006
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** PENDING (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 3288 MOANALUA RD, Honolulu, HI 96819-1469
- **Phone:** (808) 432-0000
## 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:** Hawaii Permanente Medical Group Inc (NPI 1710945969, Honolulu, HI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** August 26, 2021
- **Other identifiers:** Other 8644A (WY); Medicaid 1548376601 (WY)
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Source: [NPI Profile](https://npiprofile.com/npi/1548376601) · Data from the CMS NPPES public registry.