NPPES file of Aug 9, 2026

Tosin Ogunsiakan, MD

Internal Medicine Physician · Charlotte, NC

Tosin Ogunsiakan, MD is an internal medicine physician with a practice address in Charlotte, North Carolina, and NPI 1710448683, issued on Mar 25, 2019. Check the license (North Carolina 2022-02552, as entered in NPPES) on the North Carolina Medical Board; 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
1710448683
Name
Tosin Ogunsiakan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2022-02552 NC
Self-reported in NPPES; status is on the state search
Practice location
8800 N Tryon St, Charlotte, NC 28262
Phone
(704) 863-6241
Enumerated
Mar 25, 2019
Record last updated
Jul 15, 2024
Medicare enrollment
Enrolled (PECOS I20221220001545); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2019
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 8800 N Tryon St

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

  1. Ashley AikensPhysician Assistant1427519859
  2. Shelby Auvil, PA-CPhysician Assistant1538043518
  3. Jasdip Bajaj, MDInternal Medicine Physician1043376999
  4. Dana Baker, PHARMDPharmacist1235544925
  5. Christian Bennett, PAPhysician Assistant1942319017
  6. Larry Bergman, CRNACertified Registered Nurse Anesthetist1326082314

Verify Tosin Ogunsiakan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2022-02552
    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 North Carolina 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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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

317 Medicare Part D claims for 107 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Tosin Ogunsiakan317
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium25 claims
  2. Losartan Potassium20 claims
  3. Furosemide19 claims
  4. Amoxicillin-Clavulanate Potass13 claims
  5. Levetiracetam13 claims
  6. Amlodipine Besylate11 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): 95.4 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 score84.2
  2. Costnot scored (reweighted)
  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: $29.60

1 payment: food and beverage; the largest payer was Baxter Healthcare. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tosin Ogunsiakan$29.60
  2. Specialty average$1,303.06

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. Carolinas Physicians Network IncCharlotte, NC

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

Tosin Ogunsiakan among 4,056 internal medicine physician records in North Carolina

Tosin Ogunsiakan, MD is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2019 · median 2004 among the 2,706 with a school on file
  • Record last updated2024 · 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 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

536 internal medicine physician records list a practice address in Charlotte

They are 536 of the 23,603 NPPES records with a practice address in Charlotte, and 4,056 internal medicine physician records in North Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Carl Augustus, MDCharlotte, NC 282621043267222
  2. Jennifer Burke, MDCharlotte, NC 282621154346898
  3. Adrienne Evans, M.D.Charlotte, NC 282621033182217
  4. Robin Filippi, MDCharlotte, NC 282621104898428
  5. Dennis Isiguen, MDCharlotte, NC 282621588620702
  6. Tamilarasi Kannan, M.D.Charlotte, NC 282621487628657
  7. Chitra Medda, M.D.Charlotte, NC 282621568422582
  8. Richard Mitlehner, MDCharlotte, NC 282621255363669

Common questions

What is Tosin Ogunsiakan, MD's NPI number?

Tosin Ogunsiakan, MD's National Provider Identifier (NPI) is 1710448683, issued on Mar 25, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Tosin Ogunsiakan, MD located?

The NPPES record lists a practice address at 8800 N Tryon St, Charlotte, NC, 28262. Phone: (704) 863-6241. Providers update this record themselves, so call before visiting.

How can I verify Tosin Ogunsiakan, MD's license?

NPPES lists North Carolina license number 2022-02552, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tosin Ogunsiakan, MD prescribe under Medicare Part D?

In 2024, Tosin Ogunsiakan, MD had 317 Medicare Part D claims for 107 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Tosin Ogunsiakan, MD's MIPS final score?

The 2023 MIPS final score is 95.4 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.