Quick answers
- Does Keith J. Kassabian accept Medicare assignment?
- Yes. Medicare's clinician data says Keith J. Kassabian 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 Keith J. Kassabian see?
- In 2024, CMS data shows 1,056 Original Medicare patients and 3,364 services for Keith J. Kassabian. This counts Original Medicare only and measures volume, not quality.
- What is Keith J. Kassabian's NPI number?
- 1083618003. 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 Keith J. Kassabian, 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 | 1,056 |
|---|---|
| Services billed to Medicare | 3,364 |
| Different services or procedures | 69 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,005 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)629 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)459 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)159 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)134 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%
- Ischemic heart disease59%
- Arthritis51%
- Diabetes43%
- Atrial fibrillation36%
Hospitals where Keith J. Kassabian works
Medicare's Facility Affiliation Data lists Keith J. Kassabian 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.
- Newman Memorial HospitalShattuck, OK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 371336
- Purcell Municipal HospitalPurcell, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370158
- SSM Health St Anthony Hospital - Oklahoma CityOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370037
- SSM Health St Anthony Hospital - ShawneeShawnee, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370149
- Weatherford Regional Hospital, Inc of WeatherfordWeatherford, OK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 371323
Practice locations
Addresses where Keith J. Kassabian is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 N Lee AveOklahoma City, OK 73102 (405) 272‑7278
- 105 N Indian Meridian RdPauls Valley, OK 73075 (405) 207‑9800
- 608 NW 9th StOklahoma City, OK 73102
Group practices
Medicare enrollment lists Keith J. Kassabian as a member of these groups (CMS data updated October 2, 2026).
- Saints Medical Group, LLC435 clinicians in the group
- SSM Health Care of Oklahoma, Inc.46 clinicians in the group
Specialties
Other interventional cardiologists in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Other clinicians in Saints Medical Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Virginia Commonwealth University, School Of Medicine |
| Graduation year | 1981 (45 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) | 1083618003 |
| 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