SAN CLEMENTE INTERNAL MEDICAL GROUP INC.
NPI 1053416420
Internal Medicine in San Clemente, CA

Q: What is San Clemente Internal Medical Group Inc.'s specialty?

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

Active since September 13, 2006CLIA 05D0949914 · Waiver

665 CAMINO DE LOS MARES STE 309, SAN CLEMENTE, CA 92673(949) 487-9034(949) 493-3721 Get Directions Write a Review

NPPES record last updated: May 27, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About San Clemente Internal Medical Group Inc. NPPES

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

SAN CLEMENTE INTERNAL MEDICAL GROUP INC. (NPI 1053416420) is a healthcare organization registered as an internal medicine in San Clemente, California and active in the NPI registry since September 2006. The organization holds a CLIA Waiver certificate valid through August 12, 2028 and lists Debbie Francois, Administrator, as its authorized official.

NPPES Registry Identity

NPI1053416420

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameSAN CLEMENTE INTERNAL MEDICAL GROUP INC.

Location Address665 CAMINO DE LOS MARES STE 309San Clemente, CA 92673-2841

Mailing Address665 Camino De Los Mares Ste 309San Clemente, CA 92673-2841 · (949) 487-9034 · Fax (949) 493-3721

Phone(949) 487-9034

Fax(949) 493-3721

Organization SubpartNo

Authorized OfficialDebbie FrancoisAdministrator · (949) 487-9034

Enumeration DateSeptember 13, 2006

Last NPPES UpdateMay 27, 2021

NPPES CertifiedMay 27, 2021

✔ NPI 1053416420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

665 CAMINO DE LOS MARES STE 309, San Clemente, CA 92673

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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 Clemente Internal Medical Group Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to San Clemente Internal Medical Group Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Steven Cullen, MD

Internal Medicine

NPI 1487765731

665 CAMINO DE LOS MARES STE 309
San Clemente, CA 92673

(949) 487-9034

✔ PECOS✔ Accepts MedicareSame address

Nick Karahalios, MD

Internal Medicine

NPI 1255442505

665 CAMINO DE LOS MARES STE 309
San Clemente, CA 92673

(949) 487-9034

✔ PECOS✔ Accepts MedicareSame address

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 05D0949914

San Clemente Internal Medicine Group · San Clemente, CA

Active · expires Aug 12, 2028

CLIA Number05D0949914

Laboratory TypePhysician Office

Certificate Effective DateAugust 13, 2026

Certificate Expiration DateAugust 12, 2028

Laboratory DirectorNick J. Karahalios MD

Laboratory Phone(949) 487-9034

Laboratory LocationSan Clemente Internal Medicine Group665 Camino De Los Mares,#309, San Clemente, CA 92673

CLIA data matches this NPI record on: Phone

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 Clemente Internal Medical Group Inc.'s NPI number?

The NPI number for San Clemente Internal Medical Group Inc. is 1053416420. It was assigned to this organization in the NPPES registry on September 13, 2006.

Where is San Clemente Internal Medical Group Inc. located?

San Clemente Internal Medical Group Inc. is located at 665 Camino De Los Mares Ste 309, San Clemente, CA 92673. The listed phone number is (949) 487-9034.

What is San Clemente Internal Medical Group Inc.'s specialty?

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

Is San Clemente Internal Medical Group Inc. enrolled in Medicare?

Yes. San Clemente Internal Medical Group Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through San Clemente Internal Medical Group Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to San Clemente Internal Medical Group Inc.. 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, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does San Clemente Internal Medical Group Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0949914) is associated with this NPI, valid through August 12, 2028. 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 Clemente Internal Medical Group Inc. was last updated on May 27, 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.