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MOHSEN ALJAYEH MD INC
NPI 1790206498
Internal Medicine - Infectious Disease in Riverside, CA

Active since July 03, 2017
3890 11TH ST STE 108, RIVERSIDE, CA 92501(800) 669-7716 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2026, Aug 14, 2025, Mar 23, 2021 and 2 more (5 updates tracked since 2017).

About Mohsen Aljayeh Md Inc NPPES

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

MOHSEN ALJAYEH MD INC (NPI 1790206498) is a healthcare organization registered as an infectious disease in Riverside, California and active in the NPI registry since July 2017. The organization maintains a secondary practice location in Murrieta and lists Mohsen Aljayeh, President, as its authorized official.

NPPES Registry Identity

NPI1790206498
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameMOHSEN ALJAYEH MD INC
Location Address3890 11TH ST STE 108Riverside, CA 92501-3572
Mailing Address3890 11th St Ste 108Riverside, CA 92501-3572 · (202) 997-9606
Phone(800) 669-7716
Organization SubpartNo
Authorized OfficialMohsen AljayehPresident · (202) 997-9606
Enumeration DateJuly 3, 2017
Last NPPES UpdateMarch 17, 20265 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1790206498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedClinic/Center · Medical SpecialtyTaxonomy 261QM2500X
3890 11TH ST STE 108, Riverside, CA 92501
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Secondary Practice Location 1

Location 128062 Baxter RdMurrieta, CA 92563-1401 · Phone (202) 997-9606 · Fax (951) 346-9649

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mohsen Aljayeh Md Inc 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 Mohsen Aljayeh MD Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Mohsen Aljayeh, MD
Infectious Disease
NPI 1770785859
3890 11TH ST STE 108
Riverside, CA 92501
(800) 669-7716
✔ PECOS✔ Accepts MedicareSame address
Melissa Davis, NP
Nurse Practitioner
NPI 1033840699
191 E ALESSANDRO BLVD # 9A
Riverside, CA 92508
(951) 780-3300
✔ PECOS5.3 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 Mohsen Aljayeh MD Inc's NPI number?

The NPI number for Mohsen Aljayeh MD Inc is 1790206498. It was assigned to this organization in the NPPES registry on July 3, 2017.

Where is Mohsen Aljayeh MD Inc located?

Mohsen Aljayeh MD Inc is located at 3890 11th St Ste 108, Riverside, CA 92501. The listed phone number is (800) 669-7716.

What is Mohsen Aljayeh MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Mohsen Aljayeh MD Inc enrolled in Medicare?

Yes. Mohsen Aljayeh MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mohsen Aljayeh MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Mohsen Aljayeh MD Inc, in Infectious Disease 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, 1 practice at this address and 2 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 Mohsen Aljayeh MD Inc was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.