NPPES file of Aug 9, 2026

Hang Thieu Phung, M.D.

Internal Medicine Physician · Richardson, TX

Hang Thieu Phung, M.D. is an internal medicine physician with a practice address in Richardson, Texas, and NPI 1295957876, issued on May 3, 2007. Check the license (Texas H3929, as entered in NPPES) on the Texas Medical Board; 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
1295957876
Name
Hang Thieu Phung
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
H3929 TX
Self-reported in NPPES; status is on the state search
Practice location
1332 S Plano RD Ste 702, Richardson, TX 75081
Phone
(972) 669-2100
Enumerated
May 3, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Verify Hang Thieu Phung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H3929    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
Open the Texas license search

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84% fewer Medicare Part D claims than the average internal medicine physician in 2024

523 Medicare Part D claims for 125 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Hang Phung523
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate44 claims
  2. Montelukast Sodium35 claims
  3. Diclofenac Sodium24 claims
  4. Omeprazole21 claims
  5. Atorvastatin Calcium18 claims
  6. Olmesartan-Hydrochlorothiazide18 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.

Hang Thieu Phung among 9,175 internal medicine physician records in Texas

Hang Thieu Phung, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2007 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

61 internal medicine physician records list a practice address in Richardson

They are 61 of the 2,896 NPPES records with a practice address in Richardson, and 9,175 internal medicine physician records in Texas.

All 9,175 in Texas → Every provider in Richardson → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Syed Aziz, MDRichardson, TX 750811609981604
  2. Daphne Favroth, M.D.Richardson, TX 750811982600763
  3. Paul Karkorian, M.D.Richardson, TX 750811568896967
  4. Fatima Khan, M.D.Richardson, TX 750811669885208
  5. Thomas Alexander, M.DRichardson, TX 750801477608347
  6. Richard Bell, M.D.Richardson, TX 750801730241480
  7. Lakshmi Chekuri, M.D.Richardson, TX 750821255445953
  8. Allan Chernov, M.D.Richardson, TX 750801720265259

Common questions

What is Hang Thieu Phung, M.D.'s NPI number?

Hang Thieu Phung, M.D.'s National Provider Identifier (NPI) is 1295957876, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hang Thieu Phung, M.D. located?

The NPPES record lists a practice address at 1332 S Plano RD Ste 702, Richardson, TX, 75081. Phone: (972) 669-2100. Providers update this record themselves, so call before visiting.

How can I verify Hang Thieu Phung, M.D.'s license?

NPPES lists Texas license number H3929, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hang Thieu Phung, M.D. prescribe under Medicare Part D?

In 2024, Hang Thieu Phung, M.D. had 523 Medicare Part D claims for 125 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.