Dr. Tosin Ogunsiakan, MD
- Medicare services, 2024
- 361
- Medicare patients, 2024
- 133
- Part D claims, 2024
- 317
- Publications
- 1
- MIPS score, 2024
- 94
- Practice address
- 8800 North Tyron Street, Charlotte, NC 28262
- Practice phone
- Call (704) 548-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ogunsiakan's professional email, personal email and mobile number
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Dr. Tosin Ogunsiakan is an internist in Charlotte, North Carolina
Dr. Ogunsiakan practices at Atrium Health University City in Charlotte, North Carolina, part of Advocate Health.
Dr. Ogunsiakan's NPI, 1710448683, was assigned on March 25, 2019. Dr. Ogunsiakan graduated from University of North Carolina at Chapel Hill School of Medicine in 2019. Dr. Ogunsiakan holds North Carolina license 2022-02552.
- NPI
- 1710448683NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688007008
- NPI enumeration date
- March 25, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 548-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tosin Ogunsiakan practices at Atrium Health University City in Charlotte, North Carolina
Dr. Ogunsiakan's primary practice is Atrium Health University City, at 8800 North Tyron Street, Charlotte, NC 28262 in Mecklenburg County. The practice phone is (704) 548-6000.
- Atrium Health University City8800 North Tyron Street, Charlotte, NC 28262 · Mecklenburg CountyPhone(704) 548-6000
Source: Dmand AI Affiliation Data
Dr. Tosin Ogunsiakan is affiliated with 4 sites of care and 1 medical group
Dr. Ogunsiakan's primary practice is Atrium Health University City in Charlotte, North Carolina, part of Advocate Health. Dr. Ogunsiakan is also affiliated with Atrium Health Pineville. The medical group on file is Atrium Health Cleveland Imaging. Dmand AI also links Dr. Ogunsiakan to 1 more hospital and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tosin Ogunsiakan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ogunsiakan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrium Health University City | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tosin Ogunsiakan is one of 3,705 internists in North Carolina
Internal medicine is Dr. Ogunsiakan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ogunsiakan is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Ogunsiakan
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tosin Ogunsiakan billed Medicare for 361 services in 2024
CMS data shows 361 Medicare services from Dr. Ogunsiakan across 4 procedure codes in 2024, for 133 Medicare patients. Medicare paid $29,734 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ogunsiakan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6062024: 36140%
Dr. Ogunsiakan compared with the North Carolina median for internists, 2024
- Dr. Ogunsiakan
- North Carolina median
- Medicare services
- 361vs 52131% below
- Medicare patients
- 133vs 18528% below
- Part D claims
- 123vs 27255% below
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Dr. Ogunsiakan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tosin Ogunsiakan treated 133 Medicare patients in 2024, average age 72
CMS counts 133 Medicare patients who saw Dr. Ogunsiakan in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ogunsiakan's median patient age at 71, with 52% women.
Dr. Ogunsiakan's Medicare patients by age, 2024
Dr. Ogunsiakan's Medicare patients by sex, 2024
- Women7657%
- Men5743%
Chronic conditions among Dr. Ogunsiakan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis56%
- Diabetes51%
- Chronic kidney disease49%
- Mood disorders47%
- Depression44%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ogunsiakan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tosin Ogunsiakan wrote 317 Medicare Part D claims in 2024
In 2024, Dr. Ogunsiakan wrote 317 Medicare Part D claims for 107 patients. 82% of them were for generic drugs. CMS names the drug for 123 of them, across 8 drugs with 11 or more claims each, at $8,102 in total drug cost. In 2023, CMS named 86 claims across 5 drugs.
Dr. Ogunsiakan's Part D claims by kind of drug, 2024
- Generic261 claims82%
- Brand-name and other56 claims18%
Dr. Ogunsiakan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ogunsiakan's Part D claims, 2024
- Antibiotics13%40 of 317 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 862024: 12343%
Drugs named by CMS: 8 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Tosin Ogunsiakan scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Ogunsiakan for performance year 2024, reported through an alternative payment model (APM). Dr. Ogunsiakan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ogunsiakan's MIPS scores, performance year 2024
- 94of 100Final score
- 81.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tosin Ogunsiakan has 1 publication on record
Dmand AI links 1 paper to Dr. Ogunsiakan in 2021. Dr. Ogunsiakan's most frequent co-authors are Kristen Dianna Fajgenbaum, MD, Kiran Gajurel, MD and Thomas B. Montgomery, MD.
Dr. Ogunsiakan's most frequent co-authors
- Kristen Dianna Fajgenbaum, MD1 shared paper
- Kiran Gajurel, MD1 shared paper
- Thomas B. Montgomery, MD1 shared paper
Recent publications by Dr. Ogunsiakan
See who Dr. Ogunsiakan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ogunsiakan works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tosin Ogunsiakan received $65 in industry payments from 2024 to 2025
CMS Open Payments shows 7 general payments to Dr. Ogunsiakan from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $35.
General payments to Dr. Ogunsiakan by program year, 2024 to 2025
Companies that paid Dr. Ogunsiakan the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tosin Ogunsiakan graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Ogunsiakan graduated from University of North Carolina at Chapel Hill School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tosin Ogunsiakan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tosin Ogunsiakan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tosin Ogunsiakan's NPI number?
Dr. Tosin Ogunsiakan's NPI number is 1710448683. It was assigned on March 25, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Tosin Ogunsiakan?
Dr. Tosin Ogunsiakan is an internist in Charlotte, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tosin Ogunsiakan practice?
Dr. Ogunsiakan practices at 8800 North Tyron Street, Charlotte, NC 28262. Dr. Ogunsiakan's primary practice is Atrium Health University City in Charlotte, North Carolina, part of Advocate Health. Dmand AI also links Dr. Ogunsiakan to 1 hospital and 1 clinical lab.
What is Dr. Tosin Ogunsiakan's office phone number?
The practice phone on file for Dr. Ogunsiakan is (704) 548-6000.
What is Dr. Tosin Ogunsiakan's medical license number?
Dr. Ogunsiakan holds North Carolina license 2022-02552.
Which hospitals is Dr. Tosin Ogunsiakan affiliated with?
Dr. Ogunsiakan practices at Atrium Health University City in Charlotte, North Carolina. Dr. Ogunsiakan is also affiliated with Atrium Health Pineville. Dmand AI links Dr. Ogunsiakan to 1 more hospital.
What medical group is Dr. Tosin Ogunsiakan part of?
Dr. Ogunsiakan is linked to Atrium Health Cleveland Imaging.
Does Dr. Tosin Ogunsiakan accept Medicare?
Yes. CMS data shows Dr. Ogunsiakan billed Medicare for 361 services in 2024, and Dr. Ogunsiakan accepts Medicare assignment.
What is Dr. Tosin Ogunsiakan's MIPS score?
Dr. Ogunsiakan's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Tosin Ogunsiakan see?
CMS counts 133 Medicare patients who saw Dr. Ogunsiakan in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Tosin Ogunsiakan bill to Medicare?
In 2024, Dr. Ogunsiakan's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Tosin Ogunsiakan go to medical school?
Dr. Ogunsiakan graduated from University of North Carolina at Chapel Hill School of Medicine in 2019.
What drugs does Dr. Tosin Ogunsiakan prescribe most?
In 2024 Medicare Part D data, Dr. Ogunsiakan's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Furosemide.
Has Dr. Tosin Ogunsiakan received payments from drug or device companies?
CMS Open Payments shows $65 in general payments to Dr. Ogunsiakan from 2 companies from 2024 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Tosin Ogunsiakan been practicing?
Dr. Ogunsiakan graduated from medical school in 2019, 7 years ago.
Does Dr. Tosin Ogunsiakan do research?
Dmand AI links 1 publication to Dr. Ogunsiakan.
Who does Dr. Tosin Ogunsiakan publish with?
Dr. Ogunsiakan's most frequent co-authors are Kristen Dianna Fajgenbaum, MD (1 shared paper), Kiran Gajurel, MD (1 shared paper) and Thomas B. Montgomery, MD (1 shared paper).
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