TIFFANY LEIGH GUNDERSON CRNA
NPI 1184960767
Nurse Anesthetist, Certified Registered in Spokane Valley, WA

Active since December 30, 2012Accepts Medicare Assignment
100 N MULLAN RD STE 204, SPOKANE VALLEY, WA 99206(509) 900-6300 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 6, 2026, Jan 28, 2019, Mar 17, 2018 (3 updates tracked since 2018).

About Tiffany Leigh Gunderson Crna NPPES

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

TIFFANY LEIGH GUNDERSON CRNA (NPI 1184960767) is an individual nurse anesthetist, certified registered in Spokane Valley, Washington, licensed in Oregon (201392745CRNA) and active in the NPI registry since December 2012. She is a graduate of Other (2012).

NPPES Registry Identity

NPI1184960767
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameTIFFANY LEIGH GUNDERSONCredential: CRNA
Location Address100 N MULLAN RD STE 204Spokane Valley, WA 99206-6848
Mailing Address27809 N Spotted RdDeer Park, WA 99006-5102 · (541) 706-1434
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateDecember 30, 2012
Last NPPES UpdateJanuary 6, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1184960767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in OR · 201392745CRNA✔ Licensed in WA · AP60327805
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
100 N MULLAN RD STE 204, Spokane Valley, WA 99206

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

Tiffany Leigh Gunderson Crna 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.

PECOS PAC ID244476992
PECOS Enrollment IDI20130424001003

Medicare Billing Reassignments

5

Medicare enrollment records show Tiffany Gunderson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ambulatory Surgical
526 N MULLAN RD, STE. A
Spokane Valley, WA 99206
  • Reassigned Medicare billing, Washington enrollment
  • 3 clinicians in this Medicare group
Interventional Pain Medicine
1415 N HOUK RD STE C
Spokane Valley, WA 99216
  • Reassigned Medicare billing, Washington enrollment
  • 19 clinicians in this Medicare group
Rural Health
529 JASMINE ST
Omak, WA 98841
  • Reassigned Medicare billing, Washington enrollment
  • 179 clinicians in this Medicare group
Rural Health
110 S APPLE BLOSSOM DR
Chelan, WA 98816
  • Reassigned Medicare billing, Washington enrollment
  • 154 clinicians in this Medicare group
Anesthesiology
2221 LAKESIDE BLVD STE 600
Richardson, TX 75082
  • Reassigned Medicare billing, Idaho enrollment
  • 38 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99206 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
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 2

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

Dentist (General Practice)
100 N MULLAN RD STE 204
SPOKANE VALLEY, WA 99206
Dentist (General Practice)
100 N MULLAN RD STE 204
SPOKANE VALLEY, WA 99206

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 Tiffany Gunderson's NPI number?

The NPI number for Tiffany Gunderson is 1184960767. It was assigned to this individual provider in the NPPES registry on December 30, 2012.

Where is Tiffany Gunderson located?

Tiffany Gunderson practices at 100 N Mullan Rd Ste 204, Spokane Valley, WA 99206. The listed phone number is (509) 900-6300.

What is Tiffany Gunderson's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Tiffany Gunderson enrolled in Medicare?

Yes. Tiffany Gunderson 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 Tiffany Gunderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Gunderson reassigns Medicare benefits to 5 organizations: Inland Northwest Surgery Center PLLC (Spokane Valley, WA), Pain Care Physicians PLLC (Spokane Valley, WA), Okanogan County Public Hospital District No. 3 (Omak, WA), Chelan County Public Hospital District No 2 (Chelan, WA) and Medstream Anesthesia PLLC (Richardson, TX). 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 Tiffany Gunderson'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 Tiffany Gunderson was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.