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GHASSAN HADI MD INC
NPI 1174659064
Internal Medicine in Upland, CA

Active since February 26, 2007
1060 E FOOTHILL BLVD, SUITE 103, UPLAND, CA 91786(909) 981-8904(909) 981-8943 Get Directions Write a Review

NPPES record last updated: May 12, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ghassan Hadi Md Inc NPPES

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

GHASSAN HADI MD INC (NPI 1174659064) is a healthcare organization registered as an internal medicine in Upland, California and active in the NPI registry since February 2007. The organization lists Ghassan Hadi, President, as its authorized official.

NPPES Registry Identity

NPI1174659064
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGHASSAN HADI MD INC
Location Address1060 E FOOTHILL BLVD, SUITE 103Upland, CA 91786-4027
Mailing Address2352 Del Marino, Po.o.box 279La Verne, CA 91750-1106 · (909) 981-8904 · Fax (909) 981-8943
Phone(909) 981-8904
Fax(909) 981-8943
Organization SubpartNo
Authorized OfficialGhassan HadiPresident · (909) 981-8904
Enumeration DateFebruary 26, 2007
Last NPPES UpdateMay 12, 2008
✔ NPI 1174659064 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A52261
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.
1060 E FOOTHILL BLVD, Upland, CA 91786
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Other Identifiers 1

Medicare UPING43603CA

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)

Ghassan Hadi Md Inc 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 Ghassan Hadi MD Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Ghassan Hadi, M.D.
Internal Medicine
NPI 1558497891
1060 E FOOTHILL BLVD SUITE 103
Upland, CA 91786
(909) 981-8904
✔ PECOS✔ Accepts MedicareSame address
Elise Martinez, RN
Nurse Practitioner
NPI 1457823361
1060 E FOOTHILL BLVD STE 103
Upland, CA 91786
(909) 981-8904
✔ PECOS✔ Accepts MedicareSame address
Janilyn Sherman, NP
Nurse Practitioner
NPI 1073915690
1060 E FOOTHILL BLVD STE 103
Upland, CA 91786
(909) 981-8904
✔ PECOSSame address
Gladys Ramirez, FNP
Nurse Practitioner
NPI 1255873238
1060 E FOOTHILL BLVD SUITE 103
Upland, CA 91786
(909) 981-8904
✔ PECOS1.7 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 Ghassan Hadi MD Inc's NPI number?

The NPI number for Ghassan Hadi MD Inc is 1174659064. It was assigned to this organization in the NPPES registry on February 26, 2007.

Where is Ghassan Hadi MD Inc located?

Ghassan Hadi MD Inc is located at 1060 E Foothill Blvd Suite 103, Upland, CA 91786. The listed phone number is (909) 981-8904.

What is Ghassan Hadi MD Inc's specialty?

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

Is Ghassan Hadi MD Inc enrolled in Medicare?

Yes. Ghassan Hadi MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ghassan Hadi MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Ghassan Hadi MD 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. The largest specialties are Nurse Practitioner (3) and Internal Medicine (1). Of these, 3 practice at this address and 4 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 Ghassan Hadi MD Inc was last updated on May 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.