DR. SPENCER JAMES HARRIS MD
NPI 1255892568
Ophthalmology - Cornea and External Diseases Specialist in Idaho Falls, ID
About Dr. Spencer James Harris Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SPENCER JAMES HARRIS MD (NPI 1255892568) is an individual cornea and external diseases specialist in Idaho Falls, Idaho, licensed in Idaho (3171370) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Eastern Idaho Regional Medical Center, and is a graduate of University Of Washington School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Spencer James Harris 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 Reassignment
Medicare enrollment records show Spencer Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Idaho Falls, ID 83404
- Reassigned Medicare billing, Idaho enrollment
- 9 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
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.
Eastern Idaho Regional Medical Center
Acute Care Hospitals · Idaho Falls, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
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 Spencer Harris's NPI number?
The NPI number for Spencer Harris is 1255892568. It was assigned to this individual provider in the NPPES registry on March 28, 2019.
Where is Spencer Harris located?
Spencer Harris practices at 2025 E 17th St, Idaho Falls, ID 83404. The listed phone number is (208) 524-2025.
What is Spencer Harris's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Cornea and External Diseases Specialist, with taxonomy code 207WX0120X.
Is Spencer Harris enrolled in Medicare?
Yes. Spencer Harris 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 organization bills Medicare for Spencer Harris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Harris reassigns Medicare benefits to Idaho Eye Center PA (Idaho Falls, ID). 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 Spencer Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Spencer Harris accept?
Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and PacificSource Health Plans list Spencer Harris 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 Spencer Harris affiliated with any hospitals?
According to CMS data, Spencer Harris is affiliated with Eastern Idaho Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Spencer Harris was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Spencer James Harris, MD · NPI 1255892568
Cornea and External Diseases Specialist physician in Idaho Falls, Idaho. Individual provider, active in the CMS NPPES registry since March 28, 2019.
## Identity
- **NPI:** 1255892568 (Entity type: Individual)
- **Enumerated:** March 28, 2019
- **Primary specialty:** Ophthalmology - Cornea and External Diseases Specialist · taxonomy 207WX0120X
- **State license:** 3171370 (Idaho)
- **Sole proprietor:** No
## Practice location
- **Address:** 2025 E 17TH ST, Idaho Falls, ID 83404-6430
- **Phone:** (208) 524-2025 · **Fax:** (208) 524-2025
## 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:** Idaho Eye Center PA (NPI 1518021849, Idaho Falls, ID), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** September 23, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1255892568) · Data from the CMS NPPES public registry.