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MARY RUSSELL FNP
NPI 1265837025
Nurse Practitioner - Family in San Marcos, CA

Active since October 22, 2014PECOS Enrolled
1519 CLIFFTOP AVE, SAN MARCOS, CA 92078(760) 522-3941 Get Directions Write a Review

NPPES record last updated: October 22, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Russell Fnp NPPES

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

MARY RUSSELL FNP (NPI 1265837025) is an individual family provider in San Marcos, California, licensed in California (FNP 95000801) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265837025
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY RUSSELLCredential: FNP
Location Address1519 CLIFFTOP AVESan Marcos, CA 92078-1075
Mailing Address1519 Clifftop AveSan Marcos, CA 92078-1075 · (760) 522-3941
Phone(760) 522-3941
Sole ProprietorYes
Enumeration DateOctober 22, 2014
✔ NPI 1265837025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · FNP 95000801
1519 CLIFFTOP AVE, San Marcos, CA 92078
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Russell Fnp 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 Mary Russell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Madi Med LLC
4.4 mi
Cardiovascular Disease
2218 SHADYRIDGE AVE
Escondido, CA 92029
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
NPI 1861210767 (619) 213-7434

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016
An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.
51 services51 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018
An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
51 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92078 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

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 Mary Russell's NPI number?

The NPI number for Mary Russell is 1265837025. It was assigned to this individual provider in the NPPES registry on October 22, 2014.

Where is Mary Russell located?

Mary Russell practices at 1519 Clifftop Ave, San Marcos, CA 92078. The listed phone number is (760) 522-3941.

What is Mary Russell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Russell enrolled in Medicare?

Yes. Mary Russell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Russell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Russell reassigns Medicare benefits to Madi Med LLC (Escondido, 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 Mary Russell'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 Mary Russell was last updated on October 22, 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.