Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

Q: 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.

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

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

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: September 20, 2026.

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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

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALLEN YOUSIF

Pharmacist

8501 FALLBROOK AVE STE 300
WEST HILLS, CA 91304

Los Angeles County (818) 654-3400

LAKESIDE MEDICAL ORGANIZATION, A MEDICAL GROUP INC.

Internal Medicine

8501 FALLBROOK AVE STE 300
WEST HILLS, CA 91304

Los Angeles County (818) 654-3400

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.

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 25 days 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.