Quick answers
- Does Michael Thambuswamy accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Thambuswamy 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 Michael Thambuswamy see?
- In 2024, CMS data shows 185 Original Medicare patients and 1,376 services for Michael Thambuswamy. This counts Original Medicare only and measures volume, not quality.
- What is Michael Thambuswamy's NPI number?
- 1134369556. 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 Michael Thambuswamy, 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 | 185 |
|---|---|
| Services billed to Medicare | 1,376 |
| Different services or procedures | 83 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)107 services
- Insertion of cage or mesh device to spine bone and disc space during spine fusion (22853)86 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)76 services
- Fusion of additional segment of spine (22614)67 services
- Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc (22552)37 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%
- Arthritis75%
- High cholesterol74%
- Depression42%
- Anxiety41%
- Diabetes35%
Hospitals where Michael Thambuswamy works
Medicare's Facility Affiliation Data lists Michael Thambuswamy 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.
- Ascension St John Broken ArrowBroken Arrow, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370235
- Hillcrest Hospital SouthTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370202
- Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370001
- Mercy Hospital Fort SmithFort Smith, AR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 040062
- Tulsa Spine & Specialty HospitalTulsa, OK · Acute Care Hospital · Emergency services: listed by Medicare · CCN 370216
Practice locations
Addresses where Michael Thambuswamy is enrolled with Medicare (CMS data updated October 2, 2026).
- 6802 S Olympia Ave, Suite 300Tulsa, OK 74132 (918) 749‑0762
Group practices
Medicare enrollment lists Michael Thambuswamy as a member of this group (CMS data updated October 2, 2026).
- Oklahoma Spine and Brain Institute LLP4 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Other clinicians in Oklahoma Spine and Brain Institute LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of 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) | 1134369556 |
| 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