DR. LAUREN WOLCHOK M.D.
NPI 1033556022
Family Medicine in Pasadena, CA
About Dr. Lauren Wolchok M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAUREN WOLCHOK M.D. (NPI 1033556022) is an individual family medicine provider in Pasadena, California, licensed in California (A132883) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Lauren Wolchok M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lauren Wolchok reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90029
- Reassigned Medicare billing, California enrollment
- 138 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 91103 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
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 Lauren Wolchok's NPI number?
The NPI number for Lauren Wolchok is 1033556022. It was assigned to this individual provider in the NPPES registry on May 30, 2013.
Where is Lauren Wolchok located?
Lauren Wolchok practices at 1845 N Fair Oaks Ave Ste G-151, Pasadena, CA 91103. The listed phone number is (562) 867-7999.
What is Lauren Wolchok's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Lauren Wolchok enrolled in Medicare?
Yes. Lauren Wolchok is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lauren Wolchok's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Wolchok reassigns Medicare benefits to Jwch Institute, Inc. (Los Angeles, CA). 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 Lauren Wolchok'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 Lauren Wolchok was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.