Uchenna Catherine Onwuegbusi, MD
Family Medicine Physician · Stockton, CA
Uchenna Catherine Onwuegbusi, MD is a family medicine physician with a practice address in Stockton, California, and NPI 1831710870, issued on Apr 30, 2020. Check the license (California A183346, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Uchenna Catherine Onwuegbusi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A183346 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 N California St, Stockton, CA 95204
- Phone
- (209) 943-2000
- Enumerated
- Apr 30, 2020
- Record last updated
- Jul 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20230831002877); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1800 N California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Uchenna Catherine Onwuegbusi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A183346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
76 Medicare Part D claims for 33 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $109.91
4 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Inpatient Specialists OF California PCStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Uchenna Catherine Onwuegbusi among 17,133 family medicine physician records in California
Uchenna Catherine Onwuegbusi, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
116 family medicine physician records list a practice address in Stockton
They are 116 of the 9,522 NPPES records with a practice address in Stockton, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Stockton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Steven Goldman, MDStockton, CA 952041770595274
- Sou Her, DOStockton, CA 952041245498716
- Lin Jiang, MDStockton, CA 952041689752586
- Taymour Malak, M.D.Stockton, CA 952041104931260
Common questions
What is Uchenna Catherine Onwuegbusi, MD's NPI number?
Uchenna Catherine Onwuegbusi, MD's National Provider Identifier (NPI) is 1831710870, issued on Apr 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Uchenna Catherine Onwuegbusi, MD located?
The NPPES record lists a practice address at 1800 N California St, Stockton, CA, 95204. Phone: (209) 943-2000. Providers update this record themselves, so call before visiting.
How can I verify Uchenna Catherine Onwuegbusi, MD's license?
NPPES lists California license number A183346, 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 Uchenna Catherine Onwuegbusi, MD prescribe under Medicare Part D?
In 2024, Uchenna Catherine Onwuegbusi, MD had 76 Medicare Part D claims for 33 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.