Dr. Ogonna I. Onyeje, MD
- Medicare services, 2024
- 173
- Medicare patients, 2024
- 179
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Medical groups
- 3
- Practice address
- 1303 E Herndon Ave, Fresno, CA 93720
- Practice phone
- Call (559) 450-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Onyeje's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ogonna I. Onyeje is a hospitalist in Fresno, California
Dr. Onyeje practices at Saint Agnes Medical Center in Fresno, California, part of Trinity Health.
Dr. Onyeje's NPI, 1508944000, was assigned on November 1, 2006. Dr. Onyeje graduated from University of Nigeria Faculty of Medicine in 2002. Dr. Onyeje holds California license A94398.
- NPI
- 1508944000NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486758166
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 450-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ogonna I. Onyeje practices at Saint Agnes Medical Center in Fresno, California
Dr. Onyeje's primary practice is Saint Agnes Medical Center, at 1303 E Herndon Ave, Fresno, CA 93720 in Fresno County. The practice phone is (559) 450-3000.
- Saint Agnes Medical Center1303 E Herndon Ave, Fresno, CA 93720 · Fresno CountyPhone(559) 450-3000
Source: Dmand AI Affiliation Data
Dr. Ogonna I. Onyeje is affiliated with 2 sites of care and 3 medical groups
Dr. Onyeje's primary practice is Saint Agnes Medical Center in Fresno, California, part of Trinity Health. Dr. Onyeje is also affiliated with Dignity Health - Mercy Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Onyeje to 2 more medical groups, 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. Ogonna I. Onyeje's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onyeje practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Agnes Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ogonna I. Onyeje is one of 3,186 hospitalists in California
Hospitalist is Dr. Onyeje's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Onyeje is board certified in internal medicine by the American Board of Internal Medicine. Dr. Onyeje is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute diabetes, acute skin infection, chronic anemia, chronic diabetes, chronic hypertension, congestive heart failure and ear infection among the conditions Dr. Onyeje treats.
Hospitalists near Dr. Onyeje
Counts of hospitalists 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. Ogonna I. Onyeje billed Medicare for 173 services in 2024
CMS data shows 173 Medicare services from Dr. Onyeje across 2 procedure codes in 2024, for 179 Medicare patients. Medicare paid $20,931 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Onyeje's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3362024: 17349%
Dr. Onyeje compared with the California median for hospitalists, 2024
- Dr. Onyeje
- California median
- Medicare services
- 173vs 43060% below
- Medicare patients
- 179vs 20111% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Onyeje'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. Ogonna I. Onyeje treated 179 Medicare patients in 2024, average age 76
CMS counts 179 Medicare patients who saw Dr. Onyeje in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.61, 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. Onyeje's median patient age at 62, with 57% women.
Dr. Onyeje's Medicare patients by age, 2024
Dr. Onyeje's Medicare patients by sex, 2024
- Women9955%
- Men8045%
Chronic conditions among Dr. Onyeje's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Chronic kidney disease54%
- Heart failure54%
- Arthritis50%
- Ischemic heart disease49%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Onyeje's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ogonna I. Onyeje scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Onyeje for performance year 2024, reported as part of a group. Dr. Onyeje accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Onyeje's MIPS scores, performance year 2024
- 100of 100Final score
- 40of 100Improvement Activities
- 82of 100Cost
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. Ogonna I. Onyeje graduated from University of Nigeria Faculty of Medicine
Dr. Onyeje graduated from University of Nigeria Faculty of Medicine in 2002.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ogonna I. Onyeje accepts plans from 8 insurance carriers
Dr. Onyeje is in network with 8 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Cigna
- CMS Medicare
- Humana
- Molina
Plan types Dr. Onyeje accepts, by number of carriers
- Medicare5
- PPO5
- HMO4
- POS3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ogonna I. Onyeje'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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ogonna I. Onyeje
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. Ogonna I. Onyeje's NPI number?
Dr. Ogonna I. Onyeje's NPI number is 1508944000. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ogonna I. Onyeje?
Dr. Ogonna I. Onyeje is a hospitalist in Fresno, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ogonna I. Onyeje practice?
Dr. Onyeje practices at 1303 E Herndon Ave, Fresno, CA 93720. Dr. Onyeje's primary practice is Saint Agnes Medical Center in Fresno, California, part of Trinity Health. Dmand AI also links Dr. Onyeje to 2 medical groups.
What is Dr. Ogonna I. Onyeje's office phone number?
The practice phone on file for Dr. Onyeje is (559) 450-3000.
What is Dr. Ogonna I. Onyeje's medical license number?
Dr. Onyeje holds California license A94398.
Which hospitals is Dr. Ogonna I. Onyeje affiliated with?
Dr. Onyeje practices at Saint Agnes Medical Center in Fresno, California. Dr. Onyeje is also affiliated with Dignity Health - Mercy Medical Center.
What medical group is Dr. Ogonna I. Onyeje part of?
Dr. Onyeje is linked to Vituity. Dmand AI links Dr. Onyeje to 2 more medical groups.
Does Dr. Ogonna I. Onyeje accept Medicare?
Yes. CMS data shows Dr. Onyeje billed Medicare for 173 services in 2024, and Dr. Onyeje accepts Medicare assignment.
What is Dr. Ogonna I. Onyeje's MIPS score?
Dr. Onyeje's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ogonna I. Onyeje see?
CMS counts 179 Medicare patients who saw Dr. Onyeje in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
Is Dr. Ogonna I. Onyeje board certified?
Yes. Dr. Onyeje is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ogonna I. Onyeje bill to Medicare?
In 2024, Dr. Onyeje's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
Where did Dr. Ogonna I. Onyeje go to medical school?
Dr. Onyeje graduated from University of Nigeria Faculty of Medicine in 2002.
How long has Dr. Ogonna I. Onyeje been practicing?
Dr. Onyeje graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Ogonna I. Onyeje accept?
Dr. Onyeje is in network with 8 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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