NPPES file of Aug 9, 2026

David Loc Tran, M.D.

Hospice and Palliative Medicine (Family Medicine) Physician · Sunnyvale, CA

David Loc Tran, M.D. is a hospice and palliative medicine (family medicine) physician with a practice address in Sunnyvale, California, and NPI 1154740819, issued on Apr 9, 2014. Check the license (California A139964, 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
1154740819
Name
David Loc Tran
Credential
M.D.
Primary taxonomy
Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
License number
A139964 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Old San Francisco RD, Sunnyvale, CA 94086
Phone
(510) 295-8935
Enumerated
Apr 9, 2014
Record last updated
Dec 10, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180927002933); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2014
Telehealth
Offers telehealth (CMS)
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 301 Old San Francisco RD

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

  1. Zubia Ahmad, MDInternal Medicine Physician1265879522
  2. Syed Salman Ali, MDInternal Medicine Physician1740621671
  3. Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
  4. Aisha AminInternal Medicine Physician1013440981
  5. Joyce Ang, MDPediatrics Physician1346634698
  6. Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709

Verify David Loc Tran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A139964
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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69% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024

350 Medicare Part D claims for 78 beneficiaries, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 188 claims were for opioids.

  1. David Tran350
  2. Specialty average1,129

Most prescribed

  1. Oxycodone Hcl51 claims
  2. Lorazepam33 claims
  3. Gabapentin27 claims
  4. Buprenorphine25 claims
  5. Morphine Sulfate22 claims
  6. Methadone Hcl20 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: $30.94

1 payment: food and beverage; the largest payer was Blue Earth Diagnostics Limited. The 177 providers of this specialty with any payment received $225.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Tran$30.94
  2. Specialty average$225.53

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

Bills Medicare through one group practice

  1. Scripps Health Inpatient Providers Medical Group IncEncinitas, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Loc Tran among 128 hospice and palliative medicine (family medicine) physician records in California

David Loc Tran, M.D. is one of 128 hospice and palliative medicine (family medicine) physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 59% of them.

  • NPI issued2014 · 59% of these records are older, 34% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2014 · median 2009 among the 80 with a school on file
  • Record last updated2018 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Family Medicine) Physician providers in California

There are 128 hospice and palliative medicine (family medicine) physician records in California.

The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes

  1. Amanda Harris, FNP-BCSan Francisco, CA 941071871199547
  2. James Smith, DORedwood City, CA 940631629560909
  3. Samson Wong, DORedwood City, CA 940631740749530
  4. Dov Shalman, M.D.San Francisco, CA 941151336482330
  5. Kara Bischoff, M.D.San Francisco, CA 941171275868721
  6. Paulino Cruz, MDPacifica, CA 940441083829048
  7. Satya ChelamkuriMountain View, CA 940401063672244
  8. Joanna Sharpless, M.D.San Francisco, CA 941431629465851

Common questions

What is David Loc Tran, M.D.'s NPI number?

David Loc Tran, M.D.'s National Provider Identifier (NPI) is 1154740819, issued on Apr 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is David Loc Tran, M.D. located?

The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (510) 295-8935. Providers update this record themselves, so call before visiting.

How can I verify David Loc Tran, M.D.'s license?

NPPES lists California license number A139964, 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 David Loc Tran, M.D. prescribe under Medicare Part D?

In 2024, David Loc Tran, M.D. had 350 Medicare Part D claims for 78 beneficiaries; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. 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.