Louis Tieu, D.D.S.,M.D.
Oral & Maxillofacial Surgery (D.M.D.) · Campbell, CA
Louis Tieu, D.D.S.,M.D. is an oral & maxillofacial surgery (d.m.d.) with a practice address in Campbell, California, and NPI 1972641595, issued on Feb 3, 2007. Check the license (California A82866, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Louis Tieu
- Credential
- D.D.S.,M.D.
- Primary taxonomy
- Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
- License numbers
- A82866 CA
44633 CA
Self-reported in NPPES; status is on the state search - Practice location
- 281 E Hamilton Ave, Campbell, CA 95008
- Phone
- (408) 871-2988
- Enumerated
- Feb 3, 2007
- Record last updated
- Sep 11, 2025
- Entity
- Type 1 · individual
8 nearest oral & maxillofacial surgery (d.m.d.) records → All 154 in California → Look up another NPI →
Also registered at 281 E Hamilton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeffrey Kaplan, D.C.Chiropractor1326139957
- Steven Musich, DCChiropractor1669849667
- Bhavana Thakur, DDSGeneral Practice Dentistry1861458713
Verify Louis Tieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A82866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average oral & maxillofacial surgery (d.m.d.) in 2024
78 Medicare Part D claims for 40 beneficiaries, against an average of 366 among the 1,051 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Penicillin V Potassium34 claims
- Amoxicillin18 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.
Louis Tieu among 154 oral & maxillofacial surgery (d.m.d.) records in California
Louis Tieu, D.D.S.,M.D. is one of 154 oral & maxillofacial surgery (d.m.d.) records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 49% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 16% of these records are
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204E00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral & Maxillofacial Surgery (D.M.D.) providers in California
There are 154 oral & maxillofacial surgery (d.m.d.) records in California.
All 154 in California → Every provider in Campbell → Oral & Maxillofacial Surgery (D.M.D.) nationwide →
The 8 oral & maxillofacial surgery (d.m.d.) records with the nearest ZIP codes
- Nima Massoomi, DMD, MED, MDCupertino, CA 950141346397221
- Joseph McMurray, D.M.D.Gilroy, CA 950201730288671
- John Emison, M.D., D.D.S.Los Gatos, CA 950321114091816
- Nicole Lee, DDSSanta Clara, CA 950501043844889
- Ramiz Mogannam, DMDSanta Clara, CA 950501700244068
- Nikhil Desai, DMD, MDSanta Clara, CA 950511598812471
- Alireza Sodeifi, M.D., D.M.D.Saratoga, CA 950701851407753
- Greg Loitz, MD DDSLa Selva Beach, CA 950761194803247
Common questions
What is Louis Tieu, D.D.S.,M.D.'s NPI number?
Louis Tieu, D.D.S.,M.D.'s National Provider Identifier (NPI) is 1972641595, issued on Feb 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Louis Tieu, D.D.S.,M.D. located?
The NPPES record lists a practice address at 281 E Hamilton Ave, Campbell, CA, 95008. Phone: (408) 871-2988. Providers update this record themselves, so call before visiting.
How can I verify Louis Tieu, D.D.S.,M.D.'s license?
NPPES lists California license number A82866, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Louis Tieu, D.D.S.,M.D. prescribe under Medicare Part D?
In 2024, Louis Tieu, D.D.S.,M.D. had 78 Medicare Part D claims for 40 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 366. 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.