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QUEST KETAMINE THERAPIES PLLC
NPI 1376243642
Nurse Anesthetist, Certified Registered in Issaquah, WA

Active since March 06, 2023
22525 SE 64TH PL, ISSAQUAH, WA 98027(206) 245-7552 Get Directions Write a Review

NPPES record last updated: March 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Quest Ketamine Therapies Pllc NPPES

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

QUEST KETAMINE THERAPIES PLLC (NPI 1376243642) is a healthcare organization registered as a nurse anesthetist, certified registered in Issaquah, Washington and active in the NPI registry since March 2023. The organization lists Mitchelle Keszler, Crna, as its authorized official.

NPPES Registry Identity

NPI1376243642
Entity TypeOrganization
Primary Taxonomy367500000X
Legal Business NameQUEST KETAMINE THERAPIES PLLC
Location Address22525 SE 64TH PLIssaquah, WA 98027-5383
Mailing Address24622 214th Ave SeMaple Valley, WA 98038-8507 · (206) 245-7552
Phone(206) 245-7552
Organization SubpartNo
Authorized OfficialMitchelle KeszlerCrna · (206) 245-7552
Enumeration DateMarch 6, 2023
NPPES CertifiedMarch 6, 2023
✔ NPI 1376243642 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
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.
22525 SE 64TH PL, Issaquah, WA 98027
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Other Names 1

Former Legal Business NameQuest Ketamine Therapies Pllc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Quest Ketamine Therapies Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Quest Ketamine Therapies PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mitchell Keszler, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1578878153
101 W 8TH AVE
Spokane, WA 99204
(509) 474-3131
✔ Accepts Medicare216 mi

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

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 Quest Ketamine Therapies PLLC's NPI number?

The NPI number for Quest Ketamine Therapies PLLC is 1376243642. It was assigned to this organization in the NPPES registry on March 6, 2023.

Where is Quest Ketamine Therapies PLLC located?

Quest Ketamine Therapies PLLC is located at 22525 SE 64th Pl, Issaquah, WA 98027. The listed phone number is (206) 245-7552.

What is Quest Ketamine Therapies PLLC's specialty?

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

Is Quest Ketamine Therapies PLLC enrolled in Medicare?

Yes. Quest Ketamine Therapies PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Quest Ketamine Therapies PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Certified Registered Nurse Anesthetist (CRNA)) reassigns their Medicare billing to Quest Ketamine Therapies PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Quest Ketamine Therapies PLLC was last updated on March 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.