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REGAL MEDICAL GROUP, INC.
NPI 1588748073
Internal Medicine in West Hills, CA

Active since October 24, 2006
8501 FALLBROOK AVE STE 300, WEST HILLS, CA 91304(818) 654-3400(818) 933-0525 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Regal Medical Group, Inc. NPPES

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

REGAL MEDICAL GROUP, INC. (NPI 1588748073) is a healthcare organization registered as an internal medicine in West Hills, California and active in the NPI registry since October 2006. The organization lists Mary Coash, Vp Legal Affairs, as its authorized official.

NPPES Registry Identity

NPI1588748073
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameREGAL MEDICAL GROUP, INC.
Location Address8501 FALLBROOK AVE STE 300West Hills, CA 91304-3269
Mailing Address8501 Fallbrook Ave Ste 300West Hills, CA 91304-3269 · (818) 654-3400 · Fax (818) 933-0525
Phone(818) 654-3400
Fax(818) 933-0525
Organization SubpartNo
Authorized OfficialMary CoashVp Legal Affairs · (818) 654-3400
Enumeration DateOctober 24, 2006
Last NPPES UpdateSeptember 3, 2026
NPPES CertifiedSeptember 3, 2026
✔ NPI 1588748073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

★ 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.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedPediatricsTaxonomy 208000000X
Also ListedPediatrics · Pediatric Allergy/ImmunologyTaxonomy 2080P0201X
Also ListedGeneral PracticeTaxonomy 208D00000X
Also ListedHospitalistTaxonomy 208M00000X
Also ListedPhysical TherapistTaxonomy 225100000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
8501 FALLBROOK AVE STE 300, West Hills, CA 91304
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Other Identifiers 1

MedicaidGR0103480CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Regal Medical Group, Inc. 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 Regal Medical Group, Inc., which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (3)

Mikhail Blinchik, M.D.
Hospitalist
NPI 1225255201
777-A FLOWER STREET
Glendale, CA 91201
(818) 637-2000
✔ PECOS✔ Accepts Medicare20 mi
Crystal Gutierrez, FNP-C
Nurse Practitioner
NPI 1639728942
25109 JEFFERSON AVE STE 100
Murrieta, CA 92562
(951) 698-0440
✔ PECOS94 mi
Michele Caballero, NP
Nurse Practitioner
NPI 1801217005
2390 E FLORIDA AVE 101
Hemet, CA 92544
(951) 658-7297
✔ PECOS102 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 Regal Medical Group, Inc.'s NPI number?

The NPI number for Regal Medical Group, Inc. is 1588748073. It was assigned to this organization in the NPPES registry on October 24, 2006.

Where is Regal Medical Group, Inc. located?

Regal Medical Group, Inc. is located at 8501 Fallbrook Ave Ste 300, West Hills, CA 91304. The listed phone number is (818) 654-3400.

What is Regal Medical Group, Inc.'s specialty?

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

Is Regal Medical Group, Inc. enrolled in Medicare?

Yes. Regal Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Regal Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Regal Medical Group, Inc., in Hospitalist 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Regal Medical Group, Inc. was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.