Oluwatumininu Oludemi, DO
Addiction Medicine (Family Medicine) Physician · Ventura, CA
Oluwatumininu Oludemi, DO is an addiction medicine (family medicine) physician with a practice address in Ventura, California, and NPI 1013656883, issued on Jun 1, 2022. Check the license (California 20A21624, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Oluwatumininu Oludemi
- Credential
- DO
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- 20A21624 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Hillmont Ave Ste 101, Ventura, CA 93003
- Phone
- (805) 652-6100
- Enumerated
- Jun 1, 2022
- Record last updated
- Jul 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20240325001726); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →
Also registered at 300 Hillmont Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lorenz Choi, DOAddiction Medicine (Family Medicine) Physician1619592623
- Natalie Close, MDFamily Medicine Physician1972292118
- Christopher King, DOFamily Medicine Physician1275221327
Verify Oluwatumininu Oludemi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
396 Medicare Part D claims for 69 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa30 claims
- Atorvastatin Calcium24 claims
- Lisinopril23 claims
- Sertraline Hcl18 claims
- Metformin Hcl16 claims
- Amlodipine Besylate15 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 one group practice
- County OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oluwatumininu Oludemi among 124 addiction medicine (family medicine) physician records in California
Oluwatumininu Oludemi, DO is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% 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, 2% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2022 · median 2015 among the 64 with a school on file
- Record last updated2025 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in California
There are 124 addiction medicine (family medicine) physician records in California.
All 124 in California → Every provider in Ventura → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Lorenz Choi, DOVentura, CA 930031619592623
- Christopher Fernandez, DOVentura, CA 930031902427404
- Alexander Howard, DOVentura, CA 930031528707593
- Tipu Khan, M.D.Ventura, CA 930031801059555
- Morgan Kirkpatrick, MDVentura, CA 930031457915795
- Matthew Lamon, DOVentura, CA 930031356835243
- Olivia NguyenVentura, CA 930031902478779
- Nataliya Panivska, DOVentura, CA 930031821619529
Common questions
What is Oluwatumininu Oludemi, DO's NPI number?
Oluwatumininu Oludemi, DO's National Provider Identifier (NPI) is 1013656883, issued on Jun 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Oluwatumininu Oludemi, DO located?
The NPPES record lists a practice address at 300 Hillmont Ave Ste 101, Ventura, CA, 93003. Phone: (805) 652-6100. Providers update this record themselves, so call before visiting.
How can I verify Oluwatumininu Oludemi, DO's license?
NPPES lists California license number 20A21624, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oluwatumininu Oludemi, DO prescribe under Medicare Part D?
In 2024, Oluwatumininu Oludemi, DO had 396 Medicare Part D claims for 69 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.