Mai Thanh Lam
Internal Medicine Physician · Wilmington, DE
Mai Thanh Lam is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1487394516, issued on Mar 29, 2022. Check the license (Delaware C2-0024925, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Mai Thanh Lam
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C2-0024925 DE
Self-reported in NPPES; status is on the state search - Practice location
- 3506 Kennett Pike Ste 230, Wilmington, DE 19807
- Phone
- (302) 661-3400
- Enumerated
- Mar 29, 2022
- Record last updated
- Jul 29, 2026
- Fax
- (302) 656-5611
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 3506 Kennett Pike Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katelyn FritzgesInternal Medicine Physician1922428044
- Meaghan Roszyk, DOInternal Medicine Physician1851970933
- Kamron Salavitabar, DOFamily Medicine Physician1528646973
Verify Mai Thanh Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C2-0024925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
174 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium17 claims
- Famotidine11 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.
Mai Thanh Lam among 600 internal medicine physician records in Delaware
Mai Thanh Lam is one of 600 internal medicine physician records with a practice address in Delaware. 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 2022, is newer than 85% of them.
- NPI issued2022 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2026 · 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 internal medicine physician records list a practice address in Wilmington
They are 107 of the 6,291 NPPES records with a practice address in Wilmington, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Allison Evans, M.D.Wilmington, DE 198071558635714
- Katelyn FritzgesWilmington, DE 198071922428044
- Katelyn Gregory, DOWilmington, DE 198071265936975
- Timothy Langan, M.D.Greenville, DE 198071891771911
- Meaghan Roszyk, DOWilmington, DE 198071851970933
- Nicholas Sarlis, MDGreenville, DE 198071639978810
- Mart Amick, MDWilmington, DE 198081942209143
- Franklin Ampadu, M.D.Wilmington, DE 198081245236843
Common questions
What is Mai Thanh Lam's NPI number?
Mai Thanh Lam's National Provider Identifier (NPI) is 1487394516, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mai Thanh Lam located?
The NPPES record lists a practice address at 3506 Kennett Pike Ste 230, Wilmington, DE, 19807. Phone: (302) 661-3400. Providers update this record themselves, so call before visiting.
How can I verify Mai Thanh Lam's license?
NPPES lists Delaware license number C2-0024925, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mai Thanh Lam prescribe under Medicare Part D?
In 2024, Mai Thanh Lam had 174 Medicare Part D claims for 38 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.
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.