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OPAL MICHELLE SHAFFER RN
NPI 1497546303
Nurse Practitioner in Nampa, ID

Active since May 13, 2025PECOS Enrolled
4424 E FLAMINGO AVE STE 300, NAMPA, ID 83687(208) 302-0200(208) 302-0255 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Opal Michelle Shaffer Rn NPPES

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

OPAL MICHELLE SHAFFER RN (NPI 1497546303) is an individual nurse practitioner in Nampa, Idaho, licensed in Idaho (3071387) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Medical Center - Nampa, and maintains a secondary practice location in Boise.

NPPES Registry Identity

NPI1497546303
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameOPAL MICHELLE SHAFFERCredential: RN
Location Address4424 E FLAMINGO AVE STE 300Nampa, ID 83687-9306
Mailing AddressPo Box 190930Boise, ID 83719-0930 · (208) 367-5170 · Fax (208) 367-5180
Phone(208) 302-0200
Fax(208) 302-0255
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMay 13, 2025
Last NPPES UpdateOctober 22, 2025
NPPES CertifiedOctober 22, 2025
✔ NPI 1497546303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in ID · 3071387
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 201605546RN (OR)
Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License 67521 (ID)
4424 E FLAMINGO AVE STE 300, Nampa, ID 83687
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Secondary Practice Location 1

Location 16051 W Emerald StBoise, ID 83704-8969 · Phone (208) 302-5150

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Molina Healthcare, Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Opal Michelle Shaffer Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1658864939
PECOS Enrollment IDI20251204002565
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 Opal Shaffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Saint Alphonsus Regional Medical Center Inc
8.4 mi
Family Medicine
712 AVIATION WAY
Caldwell, ID 83605
  • Reassigned Medicare billing, Idaho enrollment
  • 781 clinicians in this Medicare group
NPI 1861676298 (208) 302-1000

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Alphonsus Medical Center - Nampa

Acute Care Hospitals · Nampa, ID
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number130013
Location4300 E Flamingo AveNampa, ID 83687 · Canyon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83687 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
$81.13 typical visit price
range $52.44 – $160.17
Typical copayment $20.28 (range $13.11 – $40.04)
Most-billed visit code 99203
Established Patient
$93.26 typical visit price
range $16.68 – $130.93
Typical copayment $23.31 (range $4.17 – $32.73)
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 9

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

MRS. DANIELLE MARIE FOWLER NP-C
Nurse Practitioner
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 205-1000
GEORGE A SAMAAN M.D. PH.D.
Internal Medicine (Interventional Cardiology)
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 302-0200
SPENSER WINBERRY
Physician Assistant
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 302-0200
RYLEY MCPETERS M.D.
Internal Medicine (Interventional Cardiology)
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 302-0200
AMBER BOCK PAC
Physician Assistant
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 302-0000
GRAHAM K WETHERLEY M.D.
Internal Medicine (Cardiovascular Disease)
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 302-0200
DR. ROSIE JASPER D.O.
Internal Medicine (Interventional Cardiology)
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 302-0200
RUSSELL D HAMILTON DO
Internal Medicine (Cardiovascular Disease)
4424 E FLAMINGO AVE STE 300
NAMPA, ID 83687
Canyon County (208) 302-0200

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 Opal Shaffer's NPI number?

The NPI number for Opal Shaffer is 1497546303. It was assigned to this individual provider in the NPPES registry on May 13, 2025.

Where is Opal Shaffer located?

Opal Shaffer practices at 4424 E Flamingo Ave Ste 300, Nampa, ID 83687. The listed phone number is (208) 302-0200.

What is Opal Shaffer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Opal Shaffer enrolled in Medicare?

Yes. Opal Shaffer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Opal Shaffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Opal Shaffer reassigns Medicare benefits to Saint Alphonsus Regional Medical Center Inc (Caldwell, 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 Opal Shaffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Opal Shaffer accept?

Health plans from Moda Health Plan, Inc., Molina Healthcare, Providence Health Plan and Select Health list Opal Shaffer 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 Opal Shaffer affiliated with any hospitals?

According to CMS data, Opal Shaffer is affiliated with Saint Alphonsus Medical Center - Nampa.

When was this NPI record last updated?

The NPPES record for Opal Shaffer was last updated on October 22, 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.