KRISTOPHER LYON, MD & RACHEL MAY, MD, A MEDICAL CORPORATION
NPI 1497572804
Clinic/Center - Urgent Care in San Luis Obispo, CA
About Kristopher Lyon, Md & Rachel May, Md, A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTOPHER LYON, MD & RACHEL MAY, MD, A MEDICAL CORPORATION (NPI 1497572804) is a healthcare organization registered as an urgent care in San Luis Obispo, California and active in the NPI registry since September 2024. The organization lists Kristopher Lyon, Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kristopher Lyon, Md & Rachel May, Md, A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
San Luis Obispo, CA 93407
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 Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation's NPI number?
The NPI number for Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation is 1497572804. It was assigned to this organization in the NPPES registry on September 25, 2024.
Where is Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation located?
Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation is located at 283 Madonna Rd Ste B, San Luis Obispo, CA 93405. The listed phone number is (805) 549-8880.
What is Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.
Is Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation enrolled in Medicare?
Yes. Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Kristopher Lyon, MD & Rachel May, MD, A Medical 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. The largest specialties are Emergency Medicine (3) and Family Practice (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Kristopher Lyon, MD & Rachel May, MD, A Medical Corporation was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Kristopher Lyon, Md & Rachel May, Md, A Medical Corporation · NPI 1497572804
Urgent Care organization in San Luis Obispo, California. Organization record, active in the CMS NPPES registry since September 25, 2024.
## Identity
- **NPI:** 1497572804 (Entity type: Organization)
- **Enumerated:** September 25, 2024
- **Primary specialty:** Clinic/Center - Urgent Care · taxonomy 261QU0200X
- **Organization subpart:** No
- **Authorized official:** Kristopher Lyon, VICE PRESIDENT
## Practice location
- **Address:** 283 MADONNA RD STE B, San Luis Obispo, CA 93405-5432
- **Phone:** (805) 549-8880 · **Fax:** (805) 783-2009
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (3), Family Practice (1); 2 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1497572804) · Data from the CMS NPPES public registry.