Quick answers
- Does Lior N. Shamai accept Medicare assignment?
- Yes. Medicare's clinician data says Lior N. Shamai 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 Lior N. Shamai see?
- In 2024, CMS data shows 1,000 Original Medicare patients and 2,295 services for Lior N. Shamai. This counts Original Medicare only and measures volume, not quality.
- What is Lior N. Shamai's NPI number?
- 1093963563. 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 Lior N. Shamai, 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 | 1,000 |
|---|---|
| Services billed to Medicare | 2,295 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)700 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)415 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)304 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)140 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)98 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%
- Arthritis57%
- Ischemic heart disease54%
- Diabetes44%
- Heart failure41%
Hospitals where Lior N. Shamai works
Medicare's Facility Affiliation Data lists Lior N. Shamai 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.
- Fairview Regional Medical Center AuthorityFairview, OK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 371329
- Mercy Hospital AdaAda, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370020
- Mercy Hospital Ardmore, IncArdmore, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370047
- Oklahoma Heart Hospital, LLCOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370215
- St Mary's Regional Medical CenterEnid, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370026
Practice locations
Addresses where Lior N. Shamai is enrolled with Medicare (CMS data updated October 2, 2026).
- 310 E Owen K Garriott RdEnid, OK 73701 (580) 249‑3795
- 520 N Monte Vista St C, Mercy ClinicAda, OK 74820 (580) 436‑2000
Group practices
Medicare enrollment lists Lior N. Shamai as a member of these groups (CMS data updated October 2, 2026).
- Mercy Clinic Oklahoma Communities649 clinicians in the group
- St Marys Physician Associates LLC29 clinicians in the group
Specialties
Other interventional cardiologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Other clinicians in Mercy Clinic Oklahoma Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Nova Southeastern College Of Osteo Medicine |
| Graduation year | 2006 (20 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) | 1093963563 |
| 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