Ngocthuy Nguyen Tran, M.D.
Sleep Medicine (Internal Medicine) Physician · Los Angeles, CA
Ngocthuy Nguyen Tran, M.D. is a sleep medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1407058464, issued on Jun 1, 2007. Check the license (California A99925, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ngocthuy Nguyen Tran
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- A99925 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90033
- Phone
- (323) 226-7556
- Enumerated
- Jun 1, 2007
- Record last updated
- Jul 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090429000441); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sadeea Abbasi, M.D., PH.D.Gastroenterology Physician1366713513
- Danna Abdel-Khader, MDInternal Medicine Physician1780977827
- Terri Leigh Abe, MDInternal Medicine Physician1881897569
- Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
- Zachary AbelsonObstetrics & Gynecology Physician1689237414
- Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484
Verify Ngocthuy Nguyen Tran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
568 Medicare Part D claims for 187 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. 41 claims were for opioids.
Most prescribed
- Pantoprazole Sodium55 claims
- Hydrocodone-Acetaminophen20 claims
- Furosemide17 claims
- Losartan Potassium17 claims
- Metoprolol Tartrate17 claims
- Levofloxacin16 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ngocthuy Nguyen Tran among 129 sleep medicine (internal medicine) physician records in California
Ngocthuy Nguyen Tran, M.D. is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% 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 29% of them.
- NPI issued2007 · 29% of these records are older, 59% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2005 · median 2006 among the 106 with a school on file
- Record last updated2016 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in California
There are 129 sleep medicine (internal medicine) physician records in California.
All 129 in California → Every provider in Los Angeles → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Joyce Adesina, M.D.Los Angeles, CA 900331922368745
- Cyrus Haghighian, MDLos Angeles, CA 900331326545914
- Christine McElyea, DOLos Angeles, CA 900331528487006
- Rijesh Niraula, DOLos Angeles, CA 900331164985420
- Payam Shadi, M.D.Los Angeles, CA 900351780615724
- Daniel Norman, M.D.Los Angeles, CA 900251730198730
- Alfonso Padilla, MDLos Angeles, CA 900241881650588
- John Lee, MDLos Angeles, CA 900201497041883
Common questions
What is Ngocthuy Nguyen Tran, M.D.'s NPI number?
Ngocthuy Nguyen Tran, M.D.'s National Provider Identifier (NPI) is 1407058464, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ngocthuy Nguyen Tran, M.D. located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 226-7556. Providers update this record themselves, so call before visiting.
How can I verify Ngocthuy Nguyen Tran, M.D.'s license?
NPPES lists California license number A99925, 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 Ngocthuy Nguyen Tran, M.D. prescribe under Medicare Part D?
In 2024, Ngocthuy Nguyen Tran, M.D. had 568 Medicare Part D claims for 187 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.