Catherine Hoang Oanh Do, DDS
Dentist · Pittsburg, CA
Catherine Hoang Oanh Do, DDS is a dentist with a practice address in Pittsburg, California, and NPI 1245403054, issued on Apr 12, 2008. Check the license (California 59293, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Hoang Oanh Do
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 59293 CA
Self-reported in NPPES; status is on the state search - Practice location
- 337 E Leland RD, Pittsburg, CA 94565
- Phone
- (951) 431-1250
- Enumerated
- Apr 12, 2008
- Record last updated
- Aug 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 337 E Leland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rina Campbell, D.M.DEndodontics1083894877
- Gregory Castillo, D.C.Chiropractor1104830728
- Bernardette GomezDental Hygienist1912493974
- Gianna LumDentist1215396411
- Guadalupe Madrigal, DDSDentist1023540994
- Tessa McGregorStudent in an Organized Health Care Education/Training Program1386185718
Verify Catherine Hoang Oanh Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average dentist in 2024
45 Medicare Part D claims for 21 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Chlorhexidine Gluconate32 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.
22 dentist records list a practice address in Pittsburg
They are 22 of the 593 NPPES records with a practice address in Pittsburg, and 14,729 dentist records in California.
All 22 in Pittsburg → All 14,729 in California → Every provider in Pittsburg →
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 Catherine Hoang Oanh Do, DDS's NPI number?
Catherine Hoang Oanh Do, DDS's National Provider Identifier (NPI) is 1245403054, issued on Apr 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Hoang Oanh Do, DDS located?
The NPPES record lists a practice address at 337 E Leland RD, Pittsburg, CA, 94565. Phone: (951) 431-1250. Providers update this record themselves, so call before visiting.
How can I verify Catherine Hoang Oanh Do, DDS's license?
NPPES lists California license number 59293, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Hoang Oanh Do, DDS prescribe under Medicare Part D?
In 2024, Catherine Hoang Oanh Do, DDS had 45 Medicare Part D claims for 21 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.