NPPES file of Aug 9, 2026

Michael Thambuswamy, MD

Neurological Surgery Physician · Tulsa, OK

Michael Thambuswamy, MD is a neurological surgery physician with a practice address in Tulsa, Oklahoma, and NPI 1134369556, issued on Feb 25, 2009. Check the license (Oklahoma 31253, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134369556
Name
Michael Thambuswamy
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
31253 OK
TRN 12140 FL
Self-reported in NPPES; status is on the state search
Practice location
6802 S Olympia Ave, Tulsa, OK 74132
Phone
(918) 749-0762
Enumerated
Feb 25, 2009
Record last updated
Jan 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(918) 744-4246
Medicaid ID
200588900A OK
Medicare enrollment
Enrolled (PECOS I20150513002344); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6802 S Olympia Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clinton Anthony, D.O.Pain Medicine (Anesthesiology) Physician1528061603
  2. Macy Bieker, RDNRegistered Dietitian1487426748
  3. Jeffrey Calava, DOAnesthesiology Physician1194791608
  4. Christopher Covington, MDSpecialist1235190943
  5. Jaye Downs, D.O.Pediatric Otolaryngology Physician1790199560
  6. Steve Gaede, MDNeurological Surgery Physician1730141060

Verify Michael Thambuswamy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 31253
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.8 times the Medicare Part D claims of the average neurological surgery physician in 2024

820 Medicare Part D claims for 168 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 380 claims were for opioids.

  1. Michael Thambuswamy820
  2. Specialty average172

Most prescribed

  1. Tizanidine Hcl123 claims
  2. Oxycodone Hcl117 claims
  3. Oxycodone-Acetaminophen117 claims
  4. Hydrocodone-Acetaminophen86 claims
  5. Methocarbamol79 claims
  6. Pregabalin42 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 31.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score25.0
  2. Costout of 100 · 30%45.2
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activitiesnot scored

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $22,025.05

50 payments; by number, the most common kind was food and beverage; the largest payer was Cerapedics Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Thambuswamy$22,025
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Oklahoma Spine And Brain Institute LLPTulsa, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Thambuswamy among 99 neurological surgery physician records in Oklahoma

Michael Thambuswamy, MD is one of 99 neurological surgery physician records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.

  • NPI issued2009 · 66% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2006 · median 2002 among the 67 with a school on file
  • Record last updated2020 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Oklahoma

There are 99 neurological surgery physician records in Oklahoma.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Steve Gaede, MDTulsa, OK 741321730141060
  2. Daniel Harwell, M.D.Tulsa, OK 741321679890701
  3. Christopher Boxell, MDTulsa, OK 741331881645851
  4. Allan Fielding, M.D.Tulsa, OK 741331730179516
  5. L. Simmons, DOTulsa, OK 741331447264205
  6. Gregory Wilson, D.O.Tulsa, OK 741331619030996
  7. Eric Sherburn, MDTulsa, OK 741351306808316
  8. Benjamin Benner, MDTulsa, OK 741361336137967

Common questions

What is Michael Thambuswamy, MD's NPI number?

Michael Thambuswamy, MD's National Provider Identifier (NPI) is 1134369556, issued on Feb 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Michael Thambuswamy, MD located?

The NPPES record lists a practice address at 6802 S Olympia Ave, Tulsa, OK, 74132. Phone: (918) 749-0762. Providers update this record themselves, so call before visiting.

How can I verify Michael Thambuswamy, MD's license?

NPPES lists Oklahoma license number 31253, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Thambuswamy, MD prescribe under Medicare Part D?

In 2024, Michael Thambuswamy, MD had 820 Medicare Part D claims for 168 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Michael Thambuswamy, MD's MIPS final score?

The 2023 MIPS final score is 31.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.