Registry data as of Aug 27, 2026

Senthil Nachimuthu, MD

Internal Medicine Physician · Stillwater, OK

Senthil Nachimuthu, MD is an internal medicine physician with a practice address in Stillwater, Oklahoma, and NPI 1235246018, issued on Aug 25, 2006. Check the license on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1235246018
Name
Senthil Nachimuthu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1323 W 6TH Ave Ste 201, Stillwater, OK 74074
Phone
(405) 533-3010
Enumerated
Aug 25, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1323 W 6TH Ave Ste 201

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

  1. Arthur Hagan, M.D.Specialist1811928021
  2. Rahmah Hall, PA-CPhysician Assistant1871091744
  3. James Harris, D.O.Cardiovascular Disease Physician1417139924
  4. Kelsey Hoffmeister, APRNFamily Nurse Practitioner1417582842
  5. Shyam Poludasu, M.DCardiovascular Disease Physician1811171705

Verify Senthil Nachimuthu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and SupervisionCheck 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.

About as many Medicare Part D claims as the average internal medicine physician in 2024

2,778 Medicare Part D claims for 383 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Senthil Nachimuthu2,778
  2. Specialty average2,785

Most prescribed

  1. Eliquis309 claims
  2. Metoprolol Succinate271 claims
  3. Clopidogrel211 claims
  4. Metoprolol Tartrate181 claims
  5. Entresto154 claims
  6. Flecainide Acetate154 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 Medicare quality score for 2023: 91.2 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 score79.3
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $590.91

28 payments, mostly food and beverage; the largest payer was Inari Medical, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Senthil Nachimuthu$590.91
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Stillwater Medical Center AuthorityStillwater, OK

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

28 internal medicine physician records list a Stillwater practice address

They are 28 of the 1,440 NPPES records with a Stillwater practice address, and 1,347 internal medicine physician records in Oklahoma.

Other internal medicine physician records in Oklahoma

  1. Abdelrahman AbdallaOklahoma City, OK1104569227
  2. Al-Ola Abdallah, M.DTulsa, OK1386837151
  3. Tony Abdo, M.DOklahoma City, OK1841555935
  4. David Abernethy, M.D.Oklahoma City, OK1811194749
  5. Ahmed Abou Elmagd, MDFort Sill, OK1205920717
  6. Hassan Abouhouli, MDTulsa, OK1366564304
  7. Addi Abuelshar, MDAltus, OK1295721678
  8. Ahmad Adam, MDOklahoma City, OK1750840732
  9. Katy Adams, MDOklahoma City, OK1427686765
  10. Wellie Adlaon, M.D.Tishomingo, OK1245326925

Common questions

What is Senthil Nachimuthu, MD's NPI number?

Senthil Nachimuthu, MD's National Provider Identifier (NPI) is 1235246018, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Senthil Nachimuthu, MD located?

The NPPES record lists a practice address at 1323 W 6TH Ave Ste 201, Stillwater, OK, 74074. Phone: (405) 533-3010. Providers update this record themselves, so call before visiting.

How can I verify Senthil Nachimuthu, MD's license?

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 Senthil Nachimuthu, MD prescribe under Medicare Part D?

In 2024, Senthil Nachimuthu, MD had 2,778 Medicare Part D claims for 383 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Senthil Nachimuthu, MD's Medicare quality score?

The 2023 MIPS final score is 91.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.