DR. PATRICK D. DEMARS MD
NPI 1235123753
Anesthesiology in Spokane, WA

Active since September 12, 2005PECOS Enrolled
2008 S MANITO PL, SPOKANE, WA 99203(509) 413-2117 Get Directions Write a Review

NPPES record last updated: December 16, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Patrick D. Demars Md NPPES

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

DR. PATRICK D. DEMARS MD (NPI 1235123753) is an individual anesthesiology provider in Spokane, Washington, licensed in Washington (MD60198039) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235123753
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. PATRICK D. DEMARSCredential: MD
Location Address2008 S MANITO PLSpokane, WA 99203-2364
Mailing Address2008 S Manito PlSpokane, WA 99203-2364 · (509) 413-2117
Sole ProprietorNo
Enumeration DateSeptember 12, 2005
Last NPPES UpdateDecember 16, 2016
✔ NPI 1235123753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WA · MD60198039
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2008 S MANITO PL, Spokane, WA 99203

Other Identifiers 3

Medicare UPINE07499
Medicaid5701120SD
Medicare ID-Type Unspecified42069SD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Patrick D. Demars Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Patrick Demars reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Orthopaedic Surgery
911 W 5TH AVE
Spokane, WA 99204
  • Reassigned Medicare billing, Washington enrollment
  • 10 clinicians in this Medicare group
Anesthesiology
888 SWIFT BLVD
Richland, WA 99352
  • Reassigned Medicare billing, Washington enrollment
  • 172 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.

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 Patrick Demars's NPI number?

The NPI number for Patrick Demars is 1235123753. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is Patrick Demars located?

Patrick Demars practices at 2008 S Manito Pl, Spokane, WA 99203. The listed phone number is (509) 413-2117.

What is Patrick Demars's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Patrick Demars enrolled in Medicare?

Yes. Patrick Demars is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Patrick Demars's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Demars reassigns Medicare benefits to 2 organizations: Shriners Hospitals For Children (Spokane, WA) and Premier Anesthesia Of Richland A Division Of Premier Anesthesia, LLC (Richland, WA). 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 Patrick Demars'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 Patrick Demars was last updated on December 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.