Oguchi Nkwocha, MD
Family Medicine Physician · Castroville, CA
Oguchi Nkwocha, MD is a family medicine physician with a practice address in Castroville, California, and NPI 1508874017, issued on Aug 3, 2006. Check the license (California G47904, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Oguchi Nkwocha
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G47904 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10561 Merritt St, Castroville, CA 95012
- Phone
- (831) 633-1514
- Enumerated
- Aug 3, 2006
- Record last updated
- Mar 16, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (831) 633-0311
- Medicare enrollment
- Enrolled (PECOS I20060908000236); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1981
- Entity
- Type 1 · individual
Also registered at 10561 Merritt St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oguchi Nkwocha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G47904Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average family medicine physician in 2024
1,761 Medicare Part D claims for 125 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Metformin Hcl112 claims
- Gabapentin100 claims
- Atorvastatin Calcium90 claims
- Levothyroxine Sodium81 claims
- Omeprazole77 claims
- Losartan Potassium74 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
- Clinica DE Salud Del Valle DE SalinasSalinas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 family medicine physician records list a practice address in Castroville
They are 5 of the 44 NPPES records with a practice address in Castroville, and 17,133 family medicine physician records in California.
All 5 in Castroville → All 17,133 in California → Every provider in Castroville →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Oguchi Nkwocha, MD's NPI number?
Oguchi Nkwocha, MD's National Provider Identifier (NPI) is 1508874017, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oguchi Nkwocha, MD located?
The NPPES record lists a practice address at 10561 Merritt St, Castroville, CA, 95012. Phone: (831) 633-1514. Providers update this record themselves, so call before visiting.
How can I verify Oguchi Nkwocha, MD's license?
NPPES lists California license number G47904, 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 Oguchi Nkwocha, MD prescribe under Medicare Part D?
In 2024, Oguchi Nkwocha, MD had 1,761 Medicare Part D claims for 125 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.