SUSAN PAYNE ETHERIDGE MD
NPI 1952480527
Internal Medicine - Clinical Cardiac Electrophysiology in Palo Alto, CA
About Susan Payne Etheridge Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN PAYNE ETHERIDGE MD (NPI 1952480527) is an individual clinical cardiac electrophysiology provider in Palo Alto, California, licensed in California (G195183) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Susan Payne Etheridge Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Susan Etheridge reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Mountain Home, ID 83647
- Reassigned Medicare billing, Idaho enrollment
- 1,312 clinicians in this Medicare group
Anchorage, AK 99508
- Reassigned Medicare billing, Alaska enrollment
- 60 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Luke's Regional Medical Center
Acute Care Hospitals · Boise, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Susan Etheridge's NPI number?
The NPI number for Susan Etheridge is 1952480527. It was assigned to this individual provider in the NPPES registry on November 3, 2006.
Where is Susan Etheridge located?
Susan Etheridge practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is Susan Etheridge's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Susan Etheridge enrolled in Medicare?
Yes. Susan Etheridge is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Susan Etheridge's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Etheridge reassigns Medicare benefits to 4 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA), Stanford Health Care (Stanford, CA), St Lukes Clinic-Treasure Valley LLC (Mountain Home, ID) and Alaska Heart Institute (Anchorage, AK). Each 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 Susan Etheridge's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Susan Etheridge accept?
Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Select Health list Susan Etheridge as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Susan Etheridge affiliated with any hospitals?
According to CMS data, Susan Etheridge is affiliated with St Luke's Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Susan Etheridge was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Susan Payne Etheridge, MD · NPI 1952480527
Clinical Cardiac Electrophysiology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since November 3, 2006.
## Identity
- **NPI:** 1952480527 (Entity type: Individual)
- **Enumerated:** November 3, 2006
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** G195183 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 WELCH RD, Palo Alto, CA 94304-1601
- **Phone:** (650) 497-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Stanford Health Care (NPI 1437292927, Stanford, CA); St Lukes Clinic-Treasure Valley LLC (NPI 1417297821, Mountain Home, ID); Alaska Heart Institute (NPI 1992744114, Anchorage, AK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1987
## Record status
- **NPPES last updated:** April 29, 2025
- **Other identifiers:** Medicaid 1018632 (AK)
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Source: [NPI Profile](https://npiprofile.com/npi/1952480527) · Data from the CMS NPPES public registry.