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SAN LUIS INTERNAL MEDICINE ASSOCIATES, A MEDICAL CORPORATION
NPI 1861475154
Internal Medicine in San Luis Obispo, CA

Active since November 21, 2005CLIA 05D0996840 · Waiver
4251 S HIGUERA ST STE 701, SAN LUIS OBISPO, CA 93401(805) 439-1381(805) 439-0138 Get Directions Write a Review

NPPES record last updated: October 30, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 30, 2023, Apr 30, 2019 (2 updates tracked since 2019).

About San Luis Internal Medicine Associates, A Medical Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAN LUIS INTERNAL MEDICINE ASSOCIATES, A MEDICAL CORPORATION (NPI 1861475154) is a healthcare organization registered as an internal medicine in San Luis Obispo, California and active in the NPI registry since November 2005. The organization holds a CLIA Waiver certificate valid through February 24, 2027 and lists Deborah A Cherry, President, as its authorized official.

NPPES Registry Identity

NPI1861475154
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSAN LUIS INTERNAL MEDICINE ASSOCIATES, A MEDICAL CORPORATION
Location Address4251 S HIGUERA ST STE 701San Luis Obispo, CA 93401-7742
Mailing Address4251 S Higuera St Ste 701San Luis Obispo, CA 93401-7742 · (805) 439-1381 · Fax (805) 439-0138
Phone(805) 439-1381
Fax(805) 439-0138
Organization SubpartNo
Authorized OfficialDeborah A CherryPresident · (805) 439-1381
Enumeration DateNovember 21, 2005
Last NPPES UpdateOctober 30, 20232 updates tracked since enumeration
NPPES CertifiedOctober 30, 2023
✔ NPI 1861475154 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 2371545
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4251 S HIGUERA ST STE 701, San Luis Obispo, CA 93401
Open in Google Maps ↗

Other Identifiers 2

Other05D0996840CA · Clia
OtherZZZ03051ZCA · Blue Shield Of Ca Grp#

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

San Luis Internal Medicine Associates, A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to San Luis Internal Medicine Associates, A Medical Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Deborah Cherry, M.D.
Internal Medicine
NPI 1063495356
4251 S HIGUERA ST STE 701
San Luis Obispo, CA 93401
(805) 439-1381
✔ PECOS✔ Accepts MedicareSame address
Jana Hanson, MD
Internal Medicine
NPI 1508849894
805 AEROVISTA PL SUITE 106
San Luis Obispo, CA 93401
(805) 594-1240
✔ PECOS1.9 mi
Allysa Rueschenberg, NP
Nurse Practitioner
NPI 1689115446
850 FAIR OAKS AVE STE 220
Arroyo Grande, CA 93420
(805) 434-5530
✔ PECOS✔ Accepts Medicare10 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0996840

San Luis Internal Medicine Associates · San Luis Obispo, CA
Active · expires Feb 24, 2027
CLIA Number05D0996840
Laboratory TypePhysician Office
Certificate Effective DateFebruary 25, 2025
Certificate Expiration DateFebruary 24, 2027
Laboratory DirectorDeborah A. Cherry MD
Laboratory Phone(805) 594-1240
Laboratory LocationSan Luis Internal Medicine Associates805 Aerovista Place #106, San Luis Obispo, CA 93401
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 San Luis Internal Medicine Associates, A Medical Corporation's NPI number?

The NPI number for San Luis Internal Medicine Associates, A Medical Corporation is 1861475154. It was assigned to this organization in the NPPES registry on November 21, 2005.

Where is San Luis Internal Medicine Associates, A Medical Corporation located?

San Luis Internal Medicine Associates, A Medical Corporation is located at 4251 S Higuera St Ste 701, San Luis Obispo, CA 93401. The listed phone number is (805) 439-1381.

What is San Luis Internal Medicine Associates, A Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is San Luis Internal Medicine Associates, A Medical Corporation enrolled in Medicare?

Yes. San Luis Internal Medicine Associates, A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through San Luis Internal Medicine Associates, A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to San Luis Internal Medicine Associates, A Medical Corporation, in Internal Medicine and Nurse Practitioner. 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 and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does San Luis Internal Medicine Associates, A Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0996840) is associated with this NPI, valid through February 24, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for San Luis Internal Medicine Associates, A Medical Corporation was last updated on October 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.