NPPES file of Aug 9, 2026

Debbie Ngoc-Diep Phan, DDS

General Practice Dentistry · Houston, TX

Debbie Ngoc-Diep Phan, DDS is a general practice dentistry with a practice address in Houston, Texas, and NPI 1841312436, issued on Apr 4, 2007. Check the license (Texas 20018, as entered in NPPES) with the Texas 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
1841312436
Name
Debbie Ngoc-Diep Phan
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
20018 TX
Self-reported in NPPES; status is on the state search
Practice location
7505 Fannin St, Houston, TX 77054
Phone
(713) 797-6453
Enumerated
Apr 4, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(713) 797-1900
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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8 nearest general practice dentistry records → All 10,056 in Texas → Look up another NPI →

Also registered at 7505 Fannin St

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

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  4. Brian Walker, LPCMental Health Counselor1073554077

Verify Debbie Ngoc-Diep Phan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 20018    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 Texas license search

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80% fewer Medicare Part D claims than the average general practice dentistry in 2024

17 Medicare Part D claims, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Debbie Phan17
  2. Specialty average83

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.

Debbie Ngoc-Diep Phan among 10,056 general practice dentistry records in Texas

Debbie Ngoc-Diep Phan, DDS is one of 10,056 general practice dentistry records with a practice address in Texas. 64% 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, 52% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 71% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,316 general practice dentistry records list a practice address in Houston

They are 1,316 of the 61,221 NPPES records with a practice address in Houston, and 10,056 general practice dentistry records in Texas.

All 10,056 in Texas → Every provider in Houston → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Gohar Arzumanyan, D.M.D.Houston, TX 770541275843989
  2. Lee Bui, DMDHouston, TX 770541376774471
  3. Sandra Carrier, DDSHouston, TX 770541700090495
  4. Mark Edwards, D.D.S.Houston, TX 770541932102233
  5. Amity Gardner, DDSHouston, TX 770541659575710
  6. Phuonghanh Hoang, D.D.S.Houston, TX 770541255568580
  7. Janet Hood, D.D.S.Houston, TX 770541730300781
  8. Roger Johnson, DDSHouston, TX 770541215159595

Common questions

What is Debbie Ngoc-Diep Phan, DDS's NPI number?

Debbie Ngoc-Diep Phan, DDS's National Provider Identifier (NPI) is 1841312436, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Debbie Ngoc-Diep Phan, DDS located?

The NPPES record lists a practice address at 7505 Fannin St, Houston, TX, 77054. Phone: (713) 797-6453. Providers update this record themselves, so call before visiting.

How can I verify Debbie Ngoc-Diep Phan, DDS's license?

NPPES lists Texas license number 20018, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Debbie Ngoc-Diep Phan, DDS prescribe under Medicare Part D?

In 2024, Debbie Ngoc-Diep Phan, DDS had 17 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.