Dr. Foluso N. Ogunleye, MD

  • Cerritos, CA
  • Hematologist and oncologist
NPI1972766772PAC ID0446325559
Medicare services, 2024
1,191
Medicare patients, 2024
109
Part D claims, 2024
1,460
Publications
7
Hospital affiliations
1
Practice address
18000 Studebaker Rd, Cerritos, CA 90703
Practice phone
Call (310) 945-8112
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Oncology Institute - Downey Radiation Oncology

Cerritos, California

See all 7 affiliations

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Dr. Foluso N. Ogunleye is a hematologist and oncologist in Cerritos, California

Dr. Ogunleye practices at The Oncology Institute - Downey Radiation Oncology in Cerritos, California.

Dr. Ogunleye's NPI, 1972766772, was assigned on July 2, 2008. Dr. Ogunleye graduated from University of Benin Faculty of Medicine in 2001. Dr. Ogunleye's Nevada license number on file is 19016.

NPI and contact details
Medicare PAC ID
0446325559
NPI enumeration date
July 2, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 945-8112
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Foluso N. Ogunleye practices at The Oncology Institute - Downey Radiation Oncology in Cerritos, California

Dr. Ogunleye's primary practice is The Oncology Institute - Downey Radiation Oncology, at 18000 Studebaker Rd, Cerritos, CA 90703 in Los Angeles County. The practice phone is (310) 945-8112.

  • The Oncology Institute - Downey Radiation Oncology
    18000 Studebaker Rd, Cerritos, CA 90703 · Los Angeles CountyPhone(310) 945-8112

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Foluso N. Ogunleye is affiliated with 4 sites of care and 3 medical groups

Dr. Ogunleye's primary practice is The Oncology Institute - Downey Radiation Oncology in Cerritos, California. Dr. Ogunleye is also affiliated with Temecula Valley Hospital. The medical group on file is The Oncology Institute of Hope and Innovation. Dmand AI also links Dr. Ogunleye to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Ogunleye

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Foluso N. Ogunleye's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ogunleye practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Oncology Institute - Downey Radiation OncologyAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Foluso N. Ogunleye is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Ogunleye's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Ogunleye is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Ogunleye's licenses on file in 8 states: Nevada, Arizona, California, Michigan, Georgia, Illinois, Iowa and Rhode Island.

Specialties and state licenses

  • Hematology and oncology, NevadaPrimaryLicense 19016 · 2019 to 2025 · taxonomy 207RH0003X
  • Arizona licenseLicense 53728 · 2017 to 2027
  • California licenseLicense 159449 · 2018 to 2026
  • Michigan license2014 to 2018
  • Georgia license2011 to 2016
  • Illinois license2006 to 2014
  • Iowa license2008 to 2013
  • Rhode Island license2005 to 2008

Clinical focus

Dmand AI lists breast cancer, chronic anemia, lung cancer, neutropenia, prostate cancer and purpura and thrombocytopenia among the conditions Dr. Ogunleye treats.

Hematologists and oncologists near Dr. Ogunleye

Counts of hematologists and oncologists 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. Foluso N. Ogunleye billed Medicare for 1,191 services in 2024

CMS data shows 1,191 Medicare services from Dr. Ogunleye across 9 procedure codes in 2024, for 109 Medicare patients. Medicare paid $25,346 for them. Every service was in an office.

Medicare services, 20241,191
Medicare patients109
Paid by Medicare$25,346
Procedure codes9

Dr. Ogunleye's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 02024: 704
Tests and treatments
2023: 2112024: 27530%
Office and hospital visits
2023: 1892024: 17110%
Lab and pathology
2023: 452024: 419%

Dr. Ogunleye compared with the California median for hematologists and oncologists, 2024

  • Dr. Ogunleye
  • California median
Medicare services
1,191vs 93228% above
Medicare patients
109vs 22552% below
Part D claims
1,299vs 3943.3 times

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Dr. Ogunleye'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.

See all procedures by Dr. Ogunleye

Need commercial claims for Dr. Ogunleye?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ogunleye and other hematologists and oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Foluso N. Ogunleye treated 109 Medicare patients in 2024, average age 71

CMS counts 109 Medicare patients who saw Dr. Ogunleye in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.98, 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. Ogunleye's median patient age at 67, with 63% women.

Medicare patients, 2024109
Average age71
Average risk score1.98
Also on Medicaid17%

Dr. Ogunleye's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ogunleye's Medicare patients by sex, 2024

  • Women5550%
  • Men5450%

Chronic conditions among Dr. Ogunleye's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol69%
  3. Cancer44%
  4. Arthritis39%
  5. Diabetes37%
  6. Chronic kidney disease32%
  7. Ischemic heart disease24%
  8. Anxiety19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ogunleye's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women63%
  • Men36%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Foluso N. Ogunleye wrote 1,460 Medicare Part D claims in 2024

In 2024, Dr. Ogunleye wrote 1,460 Medicare Part D claims for 279 patients. 69% of them were for generic drugs. CMS names the drug for 1,299 of them, across 37 drugs with 11 or more claims each, at $6,027,606 in total drug cost. In 2023, CMS named 1,160 claims across 33 drugs.

Part D claims, 20241,460
Drugs named by CMS37
Total drug cost$6M
Part D patients279

Dr. Ogunleye's Part D claims by kind of drug, 2024

  • Generic1,008 claims69%
  • Brand-name452 claims31%

Dr. Ogunleye'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. Ogunleye's Part D claims, 2024

  • Opioids3%47 of 1,460 claims
  • Antibiotics1%20 of 1,460 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: 1,1602024: 1,29912%

Drugs named by CMS: 37 in 2024, 33 in 2023.

See all prescribing by Dr. Ogunleye

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. Foluso N. Ogunleye offers telehealth to Medicare patients

Dr. Ogunleye accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ogunleye as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Foluso N. Ogunleye has 7 publications on record

Dmand AI links 7 papers to Dr. Ogunleye, published from 2016 to 2018. 2017 was the busiest year, with 3. Dr. Ogunleye has published most often in J Oncol Pract. Dr. Ogunleye's most frequent co-authors are Marianne T. Huben, DO, Zhou Yu and Leann Michelle Blankenship, MD.

Papers7
Years published2016 to 2018

Dr. Ogunleye's papers by year, 2016 to 2018

Dr. Ogunleye's most frequent co-authors

Recent publications by Dr. Ogunleye

See all 7 publications and co-authors

See who Dr. Ogunleye researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ogunleye works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Foluso N. Ogunleye received $14,717 in industry payments from 2016 to 2025

CMS Open Payments shows 620 general payments to Dr. Ogunleye from 70 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,096.

General payments to Dr. Ogunleye by program year, 2016 to 2025

General payments to Dr. Ogunleye by kind, 2016 to 2025

$14.7Kin total
  • Food and beverage$12,03182%
  • Travel and lodging$1,1828%
  • Education$1,0057%
  • Device or supply loans$4993%

Companies that paid Dr. Ogunleye the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ogunleye

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Foluso N. Ogunleye's committees and leadership roles

Dr. Ogunleye's committees and leadership roles

Clinical trial review committee Rose Cancer Treatment CenterMember
2015 to 2016

Source: Dmand AI Professional Profile Data

Dr. Foluso N. Ogunleye graduated from University of Benin Faculty of Medicine

Dr. Ogunleye graduated from University of Benin Faculty of Medicine in 2001. Dr. Ogunleye is a member of ACP, AMA, ASCO, ASH and SHM.

  1. Medical schoolUniversity of Benin Faculty of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Foluso N. Ogunleye accepts plans from 16 insurance carriers

Dr. Ogunleye is in network with 16 carriers, including Excellus BlueCross BlueShield, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Ogunleye accepts, by number of carriers

  1. PPO10
  2. HMO9
  3. Medicare5
  4. POS3
  5. EPO2
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Foluso N. Ogunleye's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Foluso N. Ogunleye

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. Foluso N. Ogunleye's NPI number?

Dr. Foluso N. Ogunleye's NPI number is 1972766772. It was assigned on July 2, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Foluso N. Ogunleye?

Dr. Foluso N. Ogunleye is a hematologist and oncologist in Cerritos, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Foluso N. Ogunleye practice?

Dr. Ogunleye practices at 18000 Studebaker Rd, Cerritos, CA 90703. Dr. Ogunleye's primary practice is The Oncology Institute - Downey Radiation Oncology in Cerritos, California. Dmand AI also links Dr. Ogunleye to 2 group practices and clinics and 2 medical groups.

What is Dr. Foluso N. Ogunleye's office phone number?

The practice phone on file for Dr. Ogunleye is (310) 945-8112.

What is Dr. Foluso N. Ogunleye's medical license number?

Dr. Ogunleye's Nevada license number on file is 19016, one of the licenses on file in 8 states.

Which states has Dr. Foluso N. Ogunleye been licensed in?

Dmand AI has state licenses on file for Dr. Ogunleye in Nevada (2019 to 2025), Arizona (2017 to 2027), California (2018 to 2026), Michigan (2014 to 2018), Georgia (2011 to 2016), Illinois (2006 to 2014), Iowa (2008 to 2013) and Rhode Island (2005 to 2008).

Which hospitals is Dr. Foluso N. Ogunleye affiliated with?

Dr. Ogunleye is affiliated with Temecula Valley Hospital.

What medical group is Dr. Foluso N. Ogunleye part of?

Dr. Ogunleye is linked to The Oncology Institute of Hope and Innovation. Dmand AI links Dr. Ogunleye to 2 more medical groups.

Does Dr. Foluso N. Ogunleye accept Medicare?

Yes. CMS data shows Dr. Ogunleye billed Medicare for 1,191 services in 2024, and Dr. Ogunleye accepts Medicare assignment.

Does Dr. Foluso N. Ogunleye offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ogunleye as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Foluso N. Ogunleye see?

CMS counts 109 Medicare patients who saw Dr. Ogunleye in 2024, with an average age of 71.

Is Dr. Foluso N. Ogunleye board certified?

Yes. Dr. Ogunleye is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Foluso N. Ogunleye bill to Medicare?

In 2024, Dr. Ogunleye's most billed Medicare services were injected or infused drug (J1100), office visit, established patient (99214) and infusion or chemotherapy administration (96367).

Where did Dr. Foluso N. Ogunleye go to medical school?

Dr. Ogunleye graduated from University of Benin Faculty of Medicine in 2001.

What drugs does Dr. Foluso N. Ogunleye prescribe most?

In 2024 Medicare Part D data, Dr. Ogunleye's most prescribed drugs by claims were Letrozole, Erleada and Gabapentin.

Has Dr. Foluso N. Ogunleye received payments from drug or device companies?

CMS Open Payments shows $14,717 in general payments to Dr. Ogunleye from 70 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Foluso N. Ogunleye been practicing?

Dr. Ogunleye graduated from medical school in 2001, 25 years ago.

Does Dr. Foluso N. Ogunleye do research?

Dmand AI links 7 publications to Dr. Ogunleye, published from 2016 to 2018.

Who does Dr. Foluso N. Ogunleye publish with?

Dr. Ogunleye's most frequent co-authors are Marianne T. Huben, DO (2 shared papers), Zhou Yu (2 shared papers) and Leann Michelle Blankenship, MD (1 shared paper).

What insurance does Dr. Foluso N. Ogunleye accept?

Dr. Ogunleye is in network with 16 carriers, including Excellus BlueCross BlueShield, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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