Dr. John O. Olowoyeye, MD

  • Modesto, CA
  • Cardiologist
NPI1336256726
Medicare services, 2023
307
Part D claims, 2023
1,369
Publications
6
Hospital affiliations
1
Industry payments
$18,151
Practice address
730 17th Street, Modesto, CA 95354
Practice phone
Call (209) 248-7700
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Central Valley Specialty Hospital

Hospital · Modesto, California

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Dr. John O. Olowoyeye is a cardiologist in Modesto, California

Dr. Olowoyeye practices at Central Valley Specialty Hospital in Modesto, California, part of Central Valley Specialty Hospital.

Dr. Olowoyeye's NPI, 1336256726, was assigned on August 23, 2006. Dr. Olowoyeye graduated from University of Ibadan in 1972. Dr. Olowoyeye's California license number on file is A48005.

NPI and contact details
NPI enumeration date
August 23, 2006
NPI status
Active
Practice phone
(209) 248-7700
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
80
Medical school graduation
1972

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

Dr. John O. Olowoyeye practices at Central Valley Specialty Hospital in Modesto, California

Dr. Olowoyeye's primary practice is Central Valley Specialty Hospital, at 730 17th Street, Modesto, CA 95354 in Stanislaus County. The practice phone is (209) 248-7700.

Source: Dmand AI Affiliation Data

Dr. John O. Olowoyeye is affiliated with 1 site of care

Dr. Olowoyeye's primary practice is Central Valley Specialty Hospital in Modesto, California, part of Central Valley Specialty Hospital.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John O. Olowoyeye's practice

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

EHR by site
SiteEHR vendor and product
Central Valley Specialty HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Central Valley Specialty Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John O. Olowoyeye is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Olowoyeye's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Olowoyeye is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Olowoyeye's licenses on file in 3 states: California, Florida and Ohio.

Specialties and state licenses

  • Cardiovascular disease, CaliforniaPrimaryLicense A48005 · 1990 to 2023 · taxonomy 207RC0000X
  • Florida license1984 to 1998
  • Ohio license1990 to 1992

Clinical focus

Dmand AI lists atrial fibrillation and flutter, cardiomyopathy, cerebrovascular disease, chronic hypertension, coronary artery disease, heart failure, heart valve disorders and intermittent racing heartbeat (PSVT) among the conditions Dr. Olowoyeye treats.

Cardiologists near Dr. Olowoyeye

Counts of cardiologists 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. John O. Olowoyeye billed Medicare for 307 services in 2023

CMS data shows 307 Medicare services from Dr. Olowoyeye across 8 procedure codes in 2023. Medicare paid $18,775 for them. Every service was in an office.

Medicare services, 2023307
Paid by Medicare$18,775
Procedure codes8

Dr. Olowoyeye's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 1,4502023: 9993%
Tests and treatments
2022: 1,6582023: 8395%
Drugs given in the office
2022: 5452023: 6888%
Other services
2022: 3422023: 3889%
Imaging
2022: 1502023: 1987%

Dr. Olowoyeye compared with the California median for cardiologists, 2023

  • Dr. Olowoyeye
  • California median
Medicare services
307vs 1,56080% below
Part D claims
1,369vs 1,410Close to median

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Olowoyeye's most billed Medicare procedure codes, 2023

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. Olowoyeye

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Olowoyeye and other cardiologists in California.

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

Dr. John O. Olowoyeye's patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Dr. Olowoyeye's median patient age at 70, with 26% women.

Dr. Olowoyeye's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women26%
  • Men67%

Source: Dmand AI Patient Panel Data

Dr. John O. Olowoyeye wrote 1,369 Medicare Part D claims in 2023

In 2023, Dr. Olowoyeye wrote 1,369 Medicare Part D claims. They cover 28 drugs, with $179,774 in total drug cost. In 2022, CMS named 5,045 claims across 55 drugs.

Part D claims, 20231,369
Drugs named by CMS28
Total drug cost$179,774

Dr. Olowoyeye's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 5,0452023: 1,36973%

Drugs named by CMS: 28 in 2023, 55 in 2022.

See all prescribing by Dr. Olowoyeye

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. John O. Olowoyeye has 6 publications on record

Dmand AI links 6 papers to Dr. Olowoyeye. The most frequent topics are Heart Rate and Hypertension. Dr. Olowoyeye has published most often in Cathet Cardiovasc Diagn. Dr. Olowoyeye's most frequent co-author is Tomas A. Salerno, MD.

Papers6

Topics Dr. Olowoyeye writes about most

  • Heart Rate
  • Hypertension

Dr. Olowoyeye's most frequent co-authors

Recent publications by Dr. Olowoyeye

See all 6 publications and co-authors

See who Dr. Olowoyeye researches with

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

How network discovery works

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

Dr. John O. Olowoyeye received $18,151 in industry payments from 2016 to 2023

CMS Open Payments shows 756 general payments to Dr. Olowoyeye from 50 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 74% of the total. Avinger Inc. paid the most, $2,216.

General payments to Dr. Olowoyeye by program year, 2016 to 2023

General payments to Dr. Olowoyeye by kind, 2016 to 2023

$18.2Kin total
  • Food and beverage$13,46074%
  • Consulting fees$2,10012%
  • Travel and lodging$2,06411%
  • Education$5273%

Companies that paid Dr. Olowoyeye the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Olowoyeye

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

Dr. John O. Olowoyeye has 1 award and honors on record

Dmand AI lists 1 award for Dr. Olowoyeye.

Awards and honors for Dr. Olowoyeye

  1. Undated
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. John O. Olowoyeye graduated from University of Ibadan

Dr. Olowoyeye graduated from University of Ibadan in 1972. Dr. Olowoyeye is a member of ACC.

  1. Medical schoolUniversity of Ibadan
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John O. Olowoyeye accepts plans from 3 insurance carriers

Dr. Olowoyeye is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Elevance and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC

Plan types Dr. Olowoyeye accepts, by number of carriers

  1. Medicare2
  2. PPO2
  3. HMO1
  4. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John O. Olowoyeye'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (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. John O. Olowoyeye

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. John O. Olowoyeye's NPI number?

Dr. John O. Olowoyeye's NPI number is 1336256726. It was assigned on August 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John O. Olowoyeye?

Dr. John O. Olowoyeye is a cardiologist in Modesto, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. John O. Olowoyeye practice?

Dr. Olowoyeye practices at 730 17th Street, Modesto, CA 95354. Dr. Olowoyeye's primary practice is Central Valley Specialty Hospital in Modesto, California, part of Central Valley Specialty Hospital.

What is Dr. John O. Olowoyeye's office phone number?

The practice phone on file for Dr. Olowoyeye is (209) 248-7700.

What is Dr. John O. Olowoyeye's medical license number?

Dr. Olowoyeye's California license number on file is A48005, one of the licenses on file in 3 states.

Which states has Dr. John O. Olowoyeye been licensed in?

Dmand AI has state licenses on file for Dr. Olowoyeye in California (1990 to 2023), Florida (1984 to 1998) and Ohio (1990 to 1992).

Which hospitals is Dr. John O. Olowoyeye affiliated with?

Dr. Olowoyeye practices at Central Valley Specialty Hospital in Modesto, California.

Does Dr. John O. Olowoyeye accept Medicare?

Yes. CMS data shows Dr. Olowoyeye billed Medicare for 307 services in 2023.

Is Dr. John O. Olowoyeye board certified?

Yes. Dr. Olowoyeye is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. John O. Olowoyeye bill to Medicare?

In 2023, Dr. Olowoyeye's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J2785) and heart test or procedure (93000).

Show 7 more questionsShow fewer questions

Where did Dr. John O. Olowoyeye go to medical school?

Dr. Olowoyeye graduated from University of Ibadan in 1972.

What drugs does Dr. John O. Olowoyeye prescribe most?

In 2023 Medicare Part D data, Dr. Olowoyeye's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Carvedilol.

Has Dr. John O. Olowoyeye received payments from drug or device companies?

CMS Open Payments shows $18,151 in general payments to Dr. Olowoyeye from 50 companies from 2016 to 2023. The largest total came from Avinger Inc.

How long has Dr. John O. Olowoyeye been practicing?

Dr. Olowoyeye graduated from medical school in 1972, 54 years ago.

Does Dr. John O. Olowoyeye do research?

Dmand AI links 6 publications to Dr. Olowoyeye.

Who does Dr. John O. Olowoyeye publish with?

Dr. Olowoyeye's most frequent co-authors are Tomas A. Salerno, MD (1 shared paper).

What insurance does Dr. John O. Olowoyeye accept?

Dr. Olowoyeye is in network with 3 carriers, including Blue Cross Blue Shield of Massachusetts, Elevance and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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