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CIRCULUS CLINIC PC
NPI 1427938968
Internal Medicine in Santa Clarita, CA

Active since September 04, 2025
21050 CENTRE POINTE PKWY, SANTA CLARITA, CA 91350(661) 425-7525(661) 554-8846 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Circulus Clinic Pc NPPES

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

CIRCULUS CLINIC PC (NPI 1427938968) is a healthcare organization registered as an internal medicine in Santa Clarita, California and active in the NPI registry since September 2025. The organization lists Claudia Alcaino, Secretary, as its authorized official.

NPPES Registry Identity

NPI1427938968
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCIRCULUS CLINIC PC
Location Address21050 CENTRE POINTE PKWYSanta Clarita, CA 91350-2976
Mailing Address1874 Highland Oaks DrArcadia, CA 91006-1737 · (626) 551-1565
Phone(661) 425-7525
Fax(661) 554-8846
Organization SubpartNo
Authorized OfficialClaudia AlcainoSecretary · (626) 551-1565
Enumeration DateSeptember 4, 2025
NPPES CertifiedSeptember 4, 2025
✔ NPI 1427938968 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.
21050 CENTRE POINTE PKWY, Santa Clarita, CA 91350
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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)

Circulus Clinic Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Circulus Clinic PC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Majarlika Junio
Nurse Practitioner
NPI 1932835063
19735 COLLINS RD
Canyon Country, CA 91351
(818) 399-5754
✔ PECOS✔ Accepts Medicare1.3 mi
Marlon Carlo Estella
Nurse Practitioner
NPI 1386413706
25000 AVENUE STANFORD STE 167
Valencia, CA 91355
(818) 600-2034
✔ PECOS✔ Accepts Medicare4.3 mi
Faith Rivera, NURSE PRACTITIONER
Nurse Practitioner
NPI 1518677566
8346 CHIMINEAS AVE
Northridge, CA 91325
(818) 943-3684
✔ PECOS✔ Accepts Medicare13 mi
Keino Rutherford, MD
Internal Medicine
NPI 1497807853
4955 VAN NUYS BLVD STE 308
Sherman Oaks, CA 91403
✔ PECOS✔ Accepts Medicare18 mi

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 Circulus Clinic PC's NPI number?

The NPI number for Circulus Clinic PC is 1427938968. It was assigned to this organization in the NPPES registry on September 4, 2025.

Where is Circulus Clinic PC located?

Circulus Clinic PC is located at 21050 Centre Pointe Pkwy, Santa Clarita, CA 91350. The listed phone number is (661) 425-7525.

What is Circulus Clinic PC's specialty?

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

Is Circulus Clinic PC enrolled in Medicare?

Yes. Circulus Clinic PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Circulus Clinic PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Circulus Clinic PC. 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 Nurse Practitioner (3) and Internal Medicine (1). Of these, 2 practice 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 Circulus Clinic PC was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.