NPPES file of Aug 9, 2026

Long Phi Dang, M.D.

Gastroenterology Physician · Westminster, CA

Long Phi Dang, M.D. is a gastroenterology physician with a practice address in Westminster, California, and NPI 1346324613, issued on Oct 24, 2006. Check the license (California G80593, as entered in NPPES) on the Medical Board of California; 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
1346324613
Name
Long Phi Dang
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
G80593 CA
Self-reported in NPPES; status is on the state search
Practice location
7891 Westminster Blvd, Westminster, CA 92683
Phone
(714) 839-9091
Enumerated
Oct 24, 2006
Record last updated
Feb 18, 2023
Fax
(714) 760-4008
Medicaid ID
00G805930 CA
Medicare enrollment
Enrolled (PECOS I20040313000746); may accept Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7891 Westminster Blvd

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

  1. Minh Dang, PSYDClinical Psychologist1720711799
  2. John HanClinical Psychologist1508530759
  3. Thuyen Nguyen, D.C.Nutrition Chiropractor1235376146

Verify Long Phi Dang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G80593
    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 California license search

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3.2 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,620 Medicare Part D claims for 948 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Long Dang2,620
  2. Specialty average811

Most prescribed

  1. Famotidine799 claims
  2. Dexlansoprazole Dr347 claims
  3. Pantoprazole Sodium276 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf179 claims
  5. Esomeprazole Magnesium171 claims
  6. Clenpiq166 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.

Industry payments in 2024: $16,999.57

50 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Long Dang$17,000
  2. Specialty average$5,016

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Long Phi Dang among 2,140 gastroenterology physician records in California

Long Phi Dang, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1993 · median 2002 among the 1,538 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Poneh Rahimi, MDMission Viejo, CA 926901255406401
  2. Ronald Adamany, M.D.Mission Viejo, CA 926911992780688
  3. Wanjun Bae, M.D.Mission Viejo, CA 926911457433906
  4. Edward Block, M.D.Mission Viejo, CA 926911811973860
  5. Jack Feng, M.D.Mission Viejo, CA 926911710964481
  6. Shahram Javaheri, M.D.Mission Viejo, CA 926911497861439
  7. Jae Lee, M.D.Mission Viejo, CA 926911194702563
  8. Nader Mirhoseni, M.D.Mission Viejo, CA 926911588645964

Common questions

What is Long Phi Dang, M.D.'s NPI number?

Long Phi Dang, M.D.'s National Provider Identifier (NPI) is 1346324613, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Long Phi Dang, M.D. located?

The NPPES record lists a practice address at 7891 Westminster Blvd, Westminster, CA, 92683. Phone: (714) 839-9091. Providers update this record themselves, so call before visiting.

How can I verify Long Phi Dang, M.D.'s license?

NPPES lists California license number G80593, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Long Phi Dang, M.D. prescribe under Medicare Part D?

In 2024, Long Phi Dang, M.D. had 2,620 Medicare Part D claims for 948 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.