Quick answers
- Does Sean M. Halleran accept Medicare assignment?
- Yes. Medicare's clinician data says Sean M. Halleran accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sean M. Halleran see?
- In 2024, CMS data shows 1,915 Original Medicare patients and 7,338 services for Sean M. Halleran. This counts Original Medicare only and measures volume, not quality.
- What is Sean M. Halleran's NPI number?
- 1770773491. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sean M. Halleran, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,915 |
|---|---|
| Services billed to Medicare | 7,338 |
| Different services or procedures | 75 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)1,340 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)1,110 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,027 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)610 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)557 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation58%
- Arthritis53%
- Ischemic heart disease51%
- Heart failure42%
Hospitals where Sean M. Halleran works
Medicare's Facility Affiliation Data lists Sean M. Halleran at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- INTEGRIS Baptist Medical Center, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370028
- INTEGRIS Canadian Valley HospitalYukon, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370211
- INTEGRIS Health Edmond HospitalEdmond, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370236
- INTEGRIS Health Enid HospitalEnid, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370016
- INTEGRIS Southwest Medical CenterOklahoma City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370106
Practice locations
Addresses where Sean M. Halleran is enrolled with Medicare (CMS data updated October 2, 2026).
- 3433 NW 56th St, Suite 400Oklahoma City, OK 73112 (405) 947‑3341
Group practices
Medicare enrollment lists Sean M. Halleran as a member of this group (CMS data updated October 2, 2026).
- INTEGRIS Cardiovascular Physicians LLC116 clinicians in the group
Specialties
Other cardiac electrophysiologists in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Other clinicians in INTEGRIS Cardiovascular Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1770773491 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians