EL PORTAL RADIATION ONCOLOGY CENTER
NPI 1902062136
Radiology - Radiation Oncology in Merced, CA

Q: What is El Portal Radiation Oncology Center's NPI number?

The NPI number for El Portal Radiation Oncology Center is 1902062136. It was assigned to this organization in the NPPES registry on August 7, 2008.

Q: What is El Portal Radiation Oncology Center's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since August 07, 2008

3303 M ST, MERCED, CA 95348(209) 726-3371(209) 726-3410 Get Directions Write a Review

NPPES record last updated: April 13, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 13, 2018, May 12, 2016, Mar 3, 2016 and 1 more (4 updates tracked since 2016).

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About El Portal Radiation Oncology Center NPPES

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

EL PORTAL RADIATION ONCOLOGY CENTER (NPI 1902062136) is a healthcare organization registered as a radiation oncology in Merced, California and active in the NPI registry since August 2008. The organization lists Alireza Mahmoudieh, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1902062136

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameEL PORTAL RADIATION ONCOLOGY CENTER

Location Address3303 M STMerced, CA 95348-2714

Mailing AddressDept La 23779Pasadena, CA 91185-3779 · (209) 726-3410 · Fax (209) 726-3371

Phone(209) 726-3371

Fax(209) 726-3410

Organization SubpartNo

Authorized OfficialAlireza MahmoudiehMedical Director · (209) 726-3371

Enumeration DateAugust 7, 2008

Last NPPES UpdateApril 13, 20184 updates tracked since enumeration

✔ NPI 1902062136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

3303 M ST, Merced, CA 95348

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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)

El Portal Radiation Oncology Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 6 clinicians reassign Medicare billing to El Portal Radiation Oncology Center, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Alireza Mahmoudieh, MD

Radiation Oncology

NPI 1720166309

3303 M ST
Merced, CA 95348

(209) 726-3410

✔ PECOS✔ Accepts MedicareSame address

Sidney Crain, MD

Hematology/Oncology

NPI 1366520041

1600 EUREKA RD
Roseville, CA 95661

(916) 784-4000

✔ PECOS✔ Accepts Medicare102 mi

Ram Chillar, M.D.

Medical Oncology

NPI 1881702645

2910 N 3RD AVE STE 470
Phoenix, AZ 85013

(602) 406-6387

✔ PECOS546 mi

Amanda Squires, MD

Diagnostic Radiology

NPI 1417984402

2001 LAUREL AVE # N304
Knoxville, TN 37916

(865) 595-4100

✔ PECOS✔ Accepts Medicare2,020 mi

Adel Abdalla, M.D.

Diagnostic Radiology

NPI 1497702542

11253 S APOPKA VINELAND RD
Orlando, FL 32836

(407) 745-1481

✔ PECOS✔ Accepts Medicare2,332 mi

Philip Mcdonald, M.D.

Diagnostic Radiology

NPI 1649411422

3663 S MIAMI AVE
Miami, FL 33133

(863) 299-1155

✔ PECOS2,487 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 El Portal Radiation Oncology Center's NPI number?

The NPI number for El Portal Radiation Oncology Center is 1902062136. It was assigned to this organization in the NPPES registry on August 7, 2008.

Where is El Portal Radiation Oncology Center located?

El Portal Radiation Oncology Center is located at 3303 M St, Merced, CA 95348. The listed phone number is (209) 726-3371.

What is El Portal Radiation Oncology Center's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is El Portal Radiation Oncology Center enrolled in Medicare?

Yes. El Portal Radiation Oncology Center is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through El Portal Radiation Oncology Center?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 4 Medicare specialties reassign their Medicare billing to El Portal Radiation Oncology Center. 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 Diagnostic Radiology (3), Hematology/Oncology (1) and Medical Oncology (1). Of these, 1 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 El Portal Radiation Oncology Center was last updated on April 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.