NPPES file of Aug 9, 2026

Hai Thanh Phan, D.D.S

General Practice Dentistry · Concord, CA

Hai Thanh Phan, D.D.S is a general practice dentistry with a practice address in Concord, California, and NPI 1730105206, issued on Jul 15, 2006. Check the license (California 49977, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730105206
Name
Hai Thanh Phan
Credential
D.D.S
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
49977 CA
Self-reported in NPPES; status is on the state search
Practice location
1941 Parkside Dr, Concord, CA 94519
Phone
(925) 689-0811
Enumerated
Jul 15, 2006
Record last updated
Aug 23, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(925) 689-4049
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1941 Parkside Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richard Truong, D.M.DGeneral Practice Dentistry1720413735

Verify Hai Thanh Phan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 49977
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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4% fewer Medicare Part D claims than the average general practice dentistry in 2024

80 Medicare Part D claims for 26 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Hai Phan80
  2. Specialty average83

Most prescribed

  1. Amoxicillin35 claims
  2. Ibuprofen27 claims
  3. Chlorhexidine Gluconate12 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.

Hai Thanh Phan among 17,852 general practice dentistry records in California

Hai Thanh Phan, D.D.S is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2014 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 general practice dentistry records list a practice address in Concord

They are 53 of the 9,328 NPPES records with a practice address in Concord, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Anne-Lise Fink, DDSConcord, CA 945191184715716
  2. Susan GefvertConcord, CA 945191811020191
  3. Bradford Heath, D.D.S.Concord, CA 945191831118116
  4. Richard Janis, D.D.S.Concord, CA 945191861535130
  5. Darrick LeongConcord, CA 945191245366988
  6. Matthew Liautaud, DDSConcord, CA 945191568563021
  7. Craig Nelson, D.D.S.Concord, CA 945191982796322
  8. Abbas Nouri, DDSConcord, CA 945191326168444

Common questions

What is Hai Thanh Phan, D.D.S's NPI number?

Hai Thanh Phan, D.D.S's National Provider Identifier (NPI) is 1730105206, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hai Thanh Phan, D.D.S located?

The NPPES record lists a practice address at 1941 Parkside Dr, Concord, CA, 94519. Phone: (925) 689-0811. Providers update this record themselves, so call before visiting.

How can I verify Hai Thanh Phan, D.D.S's license?

NPPES lists California license number 49977, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Hai Thanh Phan, D.D.S prescribe under Medicare Part D?

In 2024, Hai Thanh Phan, D.D.S had 80 Medicare Part D claims for 26 beneficiaries; the average among general practice dentistry prescribers was 83. 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.