Toan T. Tyler Nguyen, M.D.
Specialist · Long Beach, CA
Toan T. Tyler Nguyen, M.D. is a specialist with a practice address in Long Beach, California, and NPI 1639129711, issued on May 11, 2006. Check the license (California A65048, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Toan T. Tyler Nguyen
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A65048 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2865 Atlantic Ave, Long Beach, CA 90806
- Phone
- (562) 270-4050
- Enumerated
- May 11, 2006
- Record last updated
- Jun 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (800) 585-2042
- Medicare enrollment
- Enrolled (PECOS I20101021000544); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2865 Atlantic Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vanessa Kaleb, M.D.Obstetrics Physician1891804803
- Anaida Melkumian, MDGeneral Practice Physician1275584898
Verify Toan T. Tyler Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A65048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average specialist in 2024
967 Medicare Part D claims for 179 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 27 claims were for opioids.
Most prescribed
- Amlodipine Besylate56 claims
- Atorvastatin Calcium55 claims
- Eliquis55 claims
- Pantoprazole Sodium33 claims
- Hydralazine Hcl27 claims
- Furosemide23 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.
Toan T. Tyler Nguyen among 5,749 specialist records in California
Toan T. Tyler Nguyen, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1996 · median 1989 among the 1,075 with a school on file
- Record last updated2014 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Long Beach → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Anthony Ciarolla, M.D.Long Beach, CA 908061922068881
- Cynthia Forsthoff, M.D.Long Beach, CA 908061841250719
- Douglas Garland, M.D.Long Beach, CA 908061508845264
- Douglas Jackson, M.D.Long Beach, CA 908061386624484
- Seth Kogan, M.D.Long Beach, CA 908061780652040
- Peter Kurzweil, M.D.Long Beach, CA 908061700865466
- William Lyons, M.D.Long Beach, CA 908061639139595
- David Morrison, M.D.Long Beach, CA 908061326027947
Common questions
What is Toan T. Tyler Nguyen, M.D.'s NPI number?
Toan T. Tyler Nguyen, M.D.'s National Provider Identifier (NPI) is 1639129711, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Toan T. Tyler Nguyen, M.D. located?
The NPPES record lists a practice address at 2865 Atlantic Ave, Long Beach, CA, 90806. Phone: (562) 270-4050. Providers update this record themselves, so call before visiting.
How can I verify Toan T. Tyler Nguyen, M.D.'s license?
NPPES lists California license number A65048, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Toan T. Tyler Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Toan T. Tyler Nguyen, M.D. had 967 Medicare Part D claims for 179 beneficiaries; the average among specialist prescribers was 1,380. 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.