Marjoorie Ethel Castro, DDS
Dentist · Chico, CA
Marjoorie Ethel Castro, DDS is a dentist with a practice address in Chico, California, and NPI 1376797142, issued on Nov 6, 2008. Check the license (California 57798, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marjoorie Ethel Castro
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 57798 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 Mangrove Ave, Chico, CA 95926
- Phone
- (530) 342-7500
- Enumerated
- Nov 6, 2008
- Record last updated
- Nov 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1010 Mangrove Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fernando Arcila, DDSGeneral Practice Dentistry1740495258
- Anthony Nguyen, D.D.S.General Practice Dentistry1295288512
Verify Marjoorie Ethel Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average dentist in 2024
50 Medicare Part D claims for 17 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate18 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.
Industry payments in 2024: $365.89
6 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 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.
55 dentist records list a practice address in Chico
They are 55 of the 3,684 NPPES records with a practice address in Chico, and 14,729 dentist records in California.
All 55 in Chico → All 14,729 in California → Every provider in Chico →
Other dentist records in California
- Chantelle AabediLos Angeles, CA1740895150
- Sohrab Aalam, DMDIrvine, CA1497431100
- Rick Aaronian, DDSFresno, CA1245452184
- Michael Aaronson, DDSSan Rafael, CA1992029722
- Autumn Abadesco, DDSLa Puente, CA1952857237
- Behzad Abadi, DMDDowney, CA1588879100
- Esfandiar Abadi, DDSSacramento, CA1992926448
- Bahareh AbadianSan Jose, CA1689169005
- Reza Abaei Tafreshi, DDSIrvine, CA1134656804
- Michael AbaianSherman Oaks, CA1023263167
Common questions
What is Marjoorie Ethel Castro, DDS's NPI number?
Marjoorie Ethel Castro, DDS's National Provider Identifier (NPI) is 1376797142, issued on Nov 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marjoorie Ethel Castro, DDS located?
The NPPES record lists a practice address at 1010 Mangrove Ave, Chico, CA, 95926. Phone: (530) 342-7500. Providers update this record themselves, so call before visiting.
How can I verify Marjoorie Ethel Castro, DDS's license?
NPPES lists California license number 57798, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marjoorie Ethel Castro, DDS prescribe under Medicare Part D?
In 2024, Marjoorie Ethel Castro, DDS had 50 Medicare Part D claims for 17 beneficiaries; the average among dentist prescribers was 86. 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.