Michael Thambuswamy, MD
NPI 1134369556 · Neurological Surgery Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Thambuswamy, MD is a Neurological Surgery Physician provider in Tulsa, OK (NPI 1134369556).
Provider details
- NPI number
- 1134369556
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- TRN 12140 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
581 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $114 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 86 | $234 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $82 |
| Fusion of Additional Segment of Spine22614 | 67 | $358 |
| Fusion of Upper Spine Bone With Removal of Disc and Release of Spinal Cord Or Nerve, Each Additional Disc22552 | 37 | $360 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tizanidine Hcl | 123 | 55 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 117 | 27 |
| Oxycodone Hcl | 117 | 40 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 86 | 54 |
| Methocarbamol | 79 | 33 |
| Pregabalin | 42 | — |
| Cyclobenzaprine Hcl | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22,025 across 50 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-25
- Last updated
- 2020-01-24
- Certified
- 2020-01-24
Frequently asked questions
- What is Michael Thambuswamy's NPI number?
- Michael Thambuswamy's National Provider Identifier (NPI) is 1134369556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Thambuswamy's specialty?
- Michael Thambuswamy is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Thambuswamy located?
- Michael Thambuswamy's practice location on file with NPPES is 6802 S Olympia Ave, Tulsa, OK 74132-1876.
- What is Michael Thambuswamy's phone number?
- The practice phone number listed in the NPPES registry for Michael Thambuswamy is (918) 749-0762.
- Does Michael Thambuswamy accept Medicare?
- Michael Thambuswamy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Thambuswamy's NPI active?
- Yes — Michael Thambuswamy's NPI (1134369556) is active in the NPPES registry as of the last update on 2020-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.