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HIGH DESERT INTERNAL MEDICINE
NPI 1851141139
Internal Medicine in Hesperia, CA

Active since March 27, 2024
12765 MAIN ST STE 630, HESPERIA, CA 92345(760) 995-2099 Get Directions Write a Review

NPPES record last updated: September 27, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About High Desert Internal Medicine NPPES

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

HIGH DESERT INTERNAL MEDICINE (NPI 1851141139) is a healthcare organization registered as an internal medicine in Hesperia, California and active in the NPI registry since March 2024. The organization lists Ruby Jhaj, President, as its authorized official.

NPPES Registry Identity

NPI1851141139
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHIGH DESERT INTERNAL MEDICINE, PROFESSIONAL CORPORATION
Location Address12765 MAIN ST STE 630Hesperia, CA 92345-9134
Mailing Address11133 Martingale WayRancho Cucamonga, CA 91737-1818 · (805) 813-6851
Phone(760) 995-2099
Organization SubpartNo
Authorized OfficialRuby JhajPresident · (805) 813-6851
Enumeration DateMarch 27, 2024
Last NPPES UpdateSeptember 27, 2024
NPPES CertifiedSeptember 27, 2024
✔ NPI 1851141139 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.
12765 MAIN ST STE 630, Hesperia, CA 92345
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Other Names 1

Doing Business AsHigh Desert Internal Medicine

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)

High Desert Internal Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to High Desert Internal Medicine, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Silvestre Hernandez Mendoza, FNP-BC
Nurse Practitioner
NPI 1215627195
12765 MAIN ST STE 630
Hesperia, CA 92345
(760) 995-2099
✔ PECOS✔ Accepts MedicareSame address
Ruby Jhaj, M.D.
Internal Medicine
NPI 1962841940
12765 MAIN ST STE 630
Hesperia, CA 92345
(760) 995-2099
✔ 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.

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 High Desert Internal Medicine, Professional Corporation's NPI number?

The NPI number for High Desert Internal Medicine, Professional Corporation is 1851141139. It was assigned to this organization in the NPPES registry on March 27, 2024. The provider is doing business as High Desert Internal Medicine.

Where is High Desert Internal Medicine, Professional Corporation located?

High Desert Internal Medicine, Professional Corporation is located at 12765 Main St Ste 630, Hesperia, CA 92345. The listed phone number is (760) 995-2099.

What is High Desert Internal Medicine, Professional Corporation's specialty?

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

Is High Desert Internal Medicine, Professional Corporation enrolled in Medicare?

Yes. High Desert Internal Medicine, Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through High Desert Internal Medicine, Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to High Desert Internal Medicine, Professional 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, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for High Desert Internal Medicine, Professional Corporation was last updated on September 27, 2024. 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.