NATALIE MACLEAN MD A PROFESSIONAL CORPORATION
NPI 1821564907
Internal Medicine - Rheumatology in Encinitas, CA
About Natalie Maclean Md A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATALIE MACLEAN MD A PROFESSIONAL CORPORATION (NPI 1821564907) is a healthcare organization registered as a rheumatology in Encinitas, California and active in the NPI registry since October 2018. The organization lists Natalie Maclean, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Natalie Maclean Md A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Natalie Maclean MD A Professional Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Natalie Maclean MD A Professional Corporation's NPI number?
The NPI number for Natalie Maclean MD A Professional Corporation is 1821564907. It was assigned to this organization in the NPPES registry on October 16, 2018.
Where is Natalie Maclean MD A Professional Corporation located?
Natalie Maclean MD A Professional Corporation is located at 345 Saxony Rd Ste 105, Encinitas, CA 92024. The listed phone number is (760) 753-7374.
What is Natalie Maclean MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Natalie Maclean MD A Professional Corporation enrolled in Medicare?
Yes. Natalie Maclean MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Natalie Maclean MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Rheumatology, reassign their Medicare billing to Natalie Maclean MD A Professional Corporation. A 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 the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Natalie Maclean MD A Professional Corporation was last updated on October 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Natalie Maclean Md A Professional Corporation · NPI 1821564907
Rheumatology organization in Encinitas, California. Organization record, active in the CMS NPPES registry since October 16, 2018.
## Identity
- **NPI:** 1821564907 (Entity type: Organization)
- **Enumerated:** October 16, 2018
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **Organization subpart:** No
- **Authorized official:** Natalie Maclean, PRESIDENT
## Practice location
- **Address:** 345 SAXONY RD STE 105, Encinitas, CA 92024-2787
- **Phone:** (760) 753-7374 · **Fax:** (760) 753-0110
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Rheumatology) reassign Medicare billing to this organization (form CMS-855R); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 16, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1821564907) · Data from the CMS NPPES public registry.