DR. MARGOT J AIKEN MD
NPI 1952476236
Internal Medicine - Endocrinology, Diabetes & Metabolism in Oceanside, CA
About Dr. Margot J Aiken Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGOT J AIKEN MD (NPI 1952476236) is an individual endocrinology, diabetes & metabolism provider in Oceanside, California, licensed in California (A40833) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Margot J Aiken Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margot Aiken reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Escondido, CA 92025
- Reassigned Medicare billing, California enrollment
- 14 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 92056 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OCEANSIDE, CA 92056
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 Margot Aiken's NPI number?
The NPI number for Margot Aiken is 1952476236. It was assigned to this individual provider in the NPPES registry on November 21, 2006.
Where is Margot Aiken located?
Margot Aiken practices at 3927 Waring Rd Ste C, Oceanside, CA 92056. The listed phone number is (760) 941-9850.
What is Margot Aiken's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Margot Aiken enrolled in Medicare?
Yes. Margot Aiken is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margot Aiken's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margot Aiken reassigns Medicare benefits to North County Endocrine Medical Group (Escondido, 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 Margot Aiken'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 Margot Aiken was last updated on March 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.