1. Home
  2. Directory
  3. California
  4. Porter Ranch
  5. Internal Medicine
  6. NPI Profile

FREDRICK MATTHEW RUSSO MD.
NPI 1457370074
Internal Medicine in Porter Ranch, CA

Active since July 18, 2006PECOS Enrolled
19950 RINALDI ST, PORTER RANCH, CA 91326(818) 403-2420(818) 360-6036 Get Directions Write a Review

NPPES record last updated: April 3, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Fredrick Matthew Russo Md. NPPES

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

FREDRICK MATTHEW RUSSO MD. (NPI 1457370074) is an individual internal medicine provider in Porter Ranch, California, licensed in California (C41689) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457370074
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFREDRICK MATTHEW RUSSOCredential: MD.
Location Address19950 RINALDI STPorter Ranch, CA 91326-4141
Mailing AddressPo Box 9602Mission Hills, CA 91346-9602 · (818) 837-5691 · Fax (818) 792-4793
Phone(818) 403-2420
Fax(818) 360-6036
Sole ProprietorNo
Enumeration DateJuly 18, 2006
Last NPPES UpdateApril 3, 2014
✔ NPI 1457370074 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 · C41689
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.
19950 RINALDI ST, Porter Ranch, CA 91326
Open in Google Maps ↗

Other Identifiers 3

Medicare PINWC41689ACA
Medicaid00C416890CA
Medicare UPINA37655CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Fredrick Matthew Russo Md. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Fredrick Russo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Facey Medical Foundation
9.5 mi
Internal Medicine
26357 MCBEAN PKWY
Valencia, CA 91355
  • Reassigned Medicare billing, California enrollment
  • 684 clinicians in this Medicare group
NPI 1710031588 (661) 222-2600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91326 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUE YEON CHUNG MD.
Internal Medicine (Rheumatology)
19950 RINALDI ST
PORTER RANCH, CA 91326
Los Angeles County (818) 403-2420
RANGA NAYAK RAYUDU M.D.
Hospitalist
19950 RINALDI ST
PORTER RANCH, CA 91326
Los Angeles County (818) 363-3693
ALALEH SAREH MD.
Internal Medicine
19950 RINALDI ST
PORTER RANCH, CA 91326
Los Angeles County (818) 403-2420
YOUSSEF KAMEL SAAD YOUSSEF MD
Urology
19950 RINALDI ST
PORTER RANCH, CA 91326
Los Angeles County (818) 403-2470
DR. LOREN A LESHAN M.D.
Family Medicine
19950 RINALDI ST
PORTER RANCH, CA 91326
Los Angeles County (818) 403-2400
DR. JAMES S. LEE MD
Internal Medicine (Cardiovascular Disease)
19950 RINALDI ST, SUITE 300
PORTER RANCH, CA 91326
Los Angeles County (818) 271-2400
DR. MYA E. LEVY M.D.
Urology (Urogynecology and Reconstructive Pelvic Surgery)
19950 RINALDI ST
PORTER RANCH, CA 91326
Los Angeles County (818) 403-2400
ALI GOHARBIN MD.
Family Medicine
19950 RINALDI ST
PORTER RANCH, CA 91326
Los Angeles County (818) 403-2400

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 Fredrick Russo's NPI number?

The NPI number for Fredrick Russo is 1457370074. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is Fredrick Russo located?

Fredrick Russo practices at 19950 Rinaldi St, Porter Ranch, CA 91326. The listed phone number is (818) 403-2420.

What is Fredrick Russo's specialty?

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

Is Fredrick Russo enrolled in Medicare?

Yes. Fredrick Russo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Fredrick Russo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fredrick Russo reassigns Medicare benefits to Providence Facey Medical Foundation (Valencia, CA). The 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 Fredrick Russo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Fredrick Russo was last updated on April 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.