JAMES DAVID LAX M.D.
NPI 1487651410
Internal Medicine - Gastroenterology in New York, NY
About James David Lax M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES DAVID LAX M.D. (NPI 1487651410) is an individual gastroenterology provider in New York, New York, licensed in New York (152612) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James David Lax M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show James Lax reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 980 clinicians in this Medicare group
New York, NY 10040
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Somos Medical PC
- 35 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Lax's NPI number?
The NPI number for James Lax is 1487651410. It was assigned to this individual provider in the NPPES registry on July 6, 2005.
Where is James Lax located?
James Lax practices at 160 E 72nd St Ground Floor, New York, NY 10021. The listed phone number is (212) 988-5740.
What is James Lax's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is James Lax enrolled in Medicare?
Yes. James Lax is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Lax's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Lax reassigns Medicare benefits to 2 organizations: Weill Medical College Of Cornell (New York, NY) and Somos Medical, P.C (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Lax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for James Lax was last updated on October 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.