1. Home
  2. Directory
  3. California
  4. San Bernardino
  5. Internal Medicine
  6. NPI Profile

GEORGE MOUSA MD PROF INC
NPI 1679254411
Internal Medicine in San Bernardino, CA

Active since July 25, 2023
401 E 21ST ST, SAN BERNARDINO, CA 92404(909) 881-3333 Get Directions Write a Review

NPPES record last updated: July 25, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About George Mousa Md Prof Inc NPPES

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

GEORGE MOUSA MD PROF INC (NPI 1679254411) is a healthcare organization registered as an internal medicine in San Bernardino, California and active in the NPI registry since July 2023. The organization lists George Mousa, Owner, as its authorized official.

NPPES Registry Identity

NPI1679254411
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGEORGE MOUSA MD PROF INC
Location Address401 E 21ST STSan Bernardino, CA 92404-4845
Mailing Address1353 Maywood AveUpland, CA 91786-2543
Phone(909) 881-3333
Organization SubpartNo
Authorized OfficialGeorge MousaOwner · (714) 261-7958
Enumeration DateJuly 25, 2023
NPPES CertifiedJuly 25, 2023
✔ NPI 1679254411 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.
401 E 21ST ST, San Bernardino, CA 92404
Open in Google Maps ↗

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)

George Mousa Md Prof Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to George Mousa MD Prof Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

George Mousa, MD
Internal Medicine
NPI 1144711821
401 E 21ST ST
San Bernardino, CA 92404
(909) 881-3333
✔ 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 George Mousa MD Prof Inc's NPI number?

The NPI number for George Mousa MD Prof Inc is 1679254411. It was assigned to this organization in the NPPES registry on July 25, 2023.

Where is George Mousa MD Prof Inc located?

George Mousa MD Prof Inc is located at 401 E 21st St, San Bernardino, CA 92404. The listed phone number is (909) 881-3333.

What is George Mousa MD Prof Inc's specialty?

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

Is George Mousa MD Prof Inc enrolled in Medicare?

Yes. George Mousa MD Prof Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through George Mousa MD Prof Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to George Mousa MD Prof 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for George Mousa MD Prof Inc was last updated on July 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.