Oluwatobi Ganiu Lasisi, MD
Family Medicine Physician · Fairfax, VA
Oluwatobi Ganiu Lasisi, MD is a family medicine physician with a practice address in Fairfax, Virginia, and NPI 1790429686, issued on Apr 26, 2022. Check the license (Virginia 0101284975, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Oluwatobi Ganiu Lasisi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 0101284975 VA
D0101924 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033
- Phone
- (703) 391-2020
- Enumerated
- Apr 26, 2022
- Record last updated
- Jul 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20241213001238); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 3650 Joseph Siewick Dr Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Neha Balapal, MDFamily Medicine Physician1609763580
- Megan Bryant, DOFamily Medicine Physician1841920279
- Erica Campbell, M.D.Geriatric Medicine (Family Medicine) Physician1528300282
Verify Oluwatobi Ganiu Lasisi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101284975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
232 Medicare Part D claims for 56 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium25 claims
- Lisinopril24 claims
- Metformin Hcl21 claims
- Amlodipine Besylate17 claims
- Hydrochlorothiazide12 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.
Bills Medicare through 2 group practices
- Inova Physician Partners LLCFairfax, VA
- Patient First Maryland Medical Group PLLCSilver Spring, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oluwatobi Ganiu Lasisi among 4,137 family medicine physician records in Virginia
Oluwatobi Ganiu Lasisi, MD is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2013 · median 2004 among the 2,426 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
189 family medicine physician records list a practice address in Fairfax
They are 189 of the 6,584 NPPES records with a practice address in Fairfax, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Fairfax → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Thomas Ehrlich, MDFairfax, VA 220331447244181
- Alexander Krist, MDFairfax, VA 220331629062872
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Common questions
What is Oluwatobi Ganiu Lasisi, MD's NPI number?
Oluwatobi Ganiu Lasisi, MD's National Provider Identifier (NPI) is 1790429686, issued on Apr 26, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Oluwatobi Ganiu Lasisi, MD located?
The NPPES record lists a practice address at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA, 22033. Phone: (703) 391-2020. Providers update this record themselves, so call before visiting.
How can I verify Oluwatobi Ganiu Lasisi, MD's license?
NPPES lists Virginia license number 0101284975, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oluwatobi Ganiu Lasisi, MD prescribe under Medicare Part D?
In 2024, Oluwatobi Ganiu Lasisi, MD had 232 Medicare Part D claims for 56 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.