Lewis Jay Mufson, MD
Gastroenterology Physician · Freehold, NJ
Lewis Jay Mufson, MD is a gastroenterology physician with a practice address in Freehold, New Jersey, and NPI 1437130622, issued on Nov 7, 2005. Check the license (New Jersey 25689, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lewis Jay Mufson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 25689 NJ
101217 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8 Thoreau Dr, Freehold, NJ 07728
- Phone
- (732) 780-1888
- Enumerated
- Nov 7, 2005
- Record last updated
- Oct 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (732) 780-0148
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 735 in New Jersey → Look up another NPI →
Verify Lewis Jay Mufson 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 25689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
33 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Lewis Jay Mufson among 735 gastroenterology physician records in New Jersey
Lewis Jay Mufson, MD is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2010 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New Jersey
There are 735 gastroenterology physician records in New Jersey.
All 735 in New Jersey → Every provider in Freehold → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Colin Brown, M.D.Freehold, NJ 077281053371203
- Kunal Gupta, M.D.,,M.B.AFreehold, NJ 077281023256567
- Steven Nadler, M.D.Freehold, NJ 077281710982210
- Rada Shakov, M.D.Freehold, NJ 077281831308303
- Augustine TawadrosFreehold, NJ 077281508362021
- Beverly Cornel-Avendano, M.D.Hazlet, NJ 077301255357349
- Amjad ShaikhEnglishtown, NJ 077261912536954
- Yuri Volk, M.D.Manalapan, NJ 077261265562862
Common questions
What is Lewis Jay Mufson, MD's NPI number?
Lewis Jay Mufson, MD's National Provider Identifier (NPI) is 1437130622, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lewis Jay Mufson, MD located?
The NPPES record lists a practice address at 8 Thoreau Dr, Freehold, NJ, 07728. Phone: (732) 780-1888. Providers update this record themselves, so call before visiting.
How can I verify Lewis Jay Mufson, MD's license?
NPPES lists New Jersey license number 25689, 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 Lewis Jay Mufson, MD prescribe under Medicare Part D?
In 2024, Lewis Jay Mufson, MD had 33 Medicare Part D claims; 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.