DR. DAVID LEWIS WERTHEIM MD
NPI 1285738849
Allergy & Immunology in Great Neck, NY
About Dr. David Lewis Wertheim Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID LEWIS WERTHEIM MD (NPI 1285738849) is an individual allergy & immunology provider in Great Neck, New York, licensed in New York (180813) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Drexel University College Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. David Lewis Wertheim Md 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 Reassignment
Medicare enrollment records show David Wertheim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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.
Areas of Expertise CMS Part B claims 17
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 David Wertheim's NPI number?
The NPI number for David Wertheim is 1285738849. It was assigned to this individual provider in the NPPES registry on September 12, 2006.
Where is David Wertheim located?
David Wertheim practices at 310 East Shore Rd Suite 207, Great Neck, NY 11023. The listed phone number is (516) 487-1073.
What is David Wertheim's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is David Wertheim enrolled in Medicare?
Yes. David Wertheim 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 organization bills Medicare for David Wertheim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Wertheim reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, NY). The 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 David Wertheim'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 David Wertheim was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.