William Lou, MD
Gastroenterology Physician · Lawrenceville, NJ
William Lou, MD is a gastroenterology physician with a practice address in Lawrenceville, New Jersey, and NPI 1306930920, issued on Oct 3, 2006. Check the license (New Jersey MA46260, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Lou
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MA46260 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 183 Franklin Corner Road, Lawrenceville, NJ 08648
- Phone
- (609) 896-0622
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (609) 896-0069
- Medicaid ID
- 6093701 NJ
- Medicare enrollment
- Enrolled (PECOS I20120123000663); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 183 Franklin Corner Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Ahmad, MDInternal Medicine Physician1629162177
Verify William Lou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA46260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average gastroenterology physician in 2024
679 Medicare Part D claims for 211 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole103 claims
- Pantoprazole Sodium77 claims
- Gavilyte-G76 claims
- Sucralfate62 claims
- Famotidine36 claims
- Peg-3350 And Electrolytes28 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
- Azz Medical Associates PCHamilton, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in New Jersey
There are 735 gastroenterology physician records in New Jersey.
Other gastroenterology physician records in New Jersey
- Bernard Aaron, M.D.Brick, NJ1962475566
- George Abdelsayed, MDNew Brunswick, NJ1144298613
- Rini Abraham, M.D.Montclair, NJ1285893321
- Melville Ackerman, MDMedford, NJ1598707580
- Faiz AfridiNewark, NJ1124480132
- Anil Agarwal, MDClifton, NJ1497704373
- Sudhir Agarwal, MDSuccasunna, NJ1215006275
- Aakash Aggarwal, MDHackensack, NJ1942597588
- Ahmed Ahmed, DOFort Lee, NJ1093219099
- Rafeeq Ahmed, M.DManahawkin, NJ1740411933
Common questions
What is William Lou, MD's NPI number?
William Lou, MD's National Provider Identifier (NPI) is 1306930920, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Lou, MD located?
The NPPES record lists a practice address at 183 Franklin Corner Road, Lawrenceville, NJ, 08648. Phone: (609) 896-0622. Providers update this record themselves, so call before visiting.
How can I verify William Lou, MD's license?
NPPES lists New Jersey license number MA46260, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Lou, MD prescribe under Medicare Part D?
In 2024, William Lou, MD had 679 Medicare Part D claims for 211 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.