ELIOT GRIGG MD
NPI 1336331941
Anesthesiology in Seattle, WA

Active since August 16, 2007PECOS Enrolled
4800 SAND POINT WAY NE, MS 9824, SEATTLE, WA 98105(206) 987-2512 Get Directions Write a Review

NPPES record last updated: August 27, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Eliot Grigg Md NPPES

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

ELIOT GRIGG MD (NPI 1336331941) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (ML20008936) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336331941
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameELIOT GRIGGCredential: MD
Location Address4800 SAND POINT WAY NE, MS 9824Seattle, WA 98105-3901
Mailing Address4800 Sand Point Way Ne, Ms 9824Seattle, WA 98105-3901
Sole ProprietorNo
Enumeration DateAugust 16, 2007
Last NPPES UpdateAugust 27, 2012
✔ NPI 1336331941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WA · ML20008936
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.
Also ListedAnesthesiology · Pediatric AnesthesiologyTaxonomy 207LP3000X · License MD60094896 (WA)
4800 SAND POINT WAY NE, Seattle, WA 98105

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eliot Grigg 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 Reassignment

Medicare enrollment records show Eliot Grigg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Trauma Surgery
4800 SAND POINT WAY NE
Seattle, WA 98105
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 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.

Other Providers at the Same Location NPPES 20

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

Anesthesiology
4800 SAND POINT WAY NE
SEATTLE, WA 98105
Speech-Language Pathologist
4800 SAND POINT WAY NE, MAIL STOP W-6839
SEATTLE, WA 98105
Medical Genetics (Clinical Molecular Genetics)
4800 SAND POINT WAY NE, GENETIC MEDICINE
SEATTLE, WA 98105
Pediatrics (Pediatric Critical Care Medicine)
4800 SAND POINT WAY NE, MB.10.620
SEATTLE, WA 98105
Pediatrics (Pediatric Infectious Diseases)
4800 SAND POINT WAY NE
SEATTLE, WA 98105
Nurse Practitioner (Pediatrics)
4800 SAND POINT WAY NE, MS O.7.720
SEATTLE, WA 98105
Nurse Practitioner (Family)
4800 SAND POINT WAY NE, MAILSTOP T-2108
SEATTLE, WA 98105
Otolaryngology (Pediatric Otolaryngology)
4800 SAND POINT WAY NE
SEATTLE, WA 98105

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 Eliot Grigg's NPI number?

The NPI number for Eliot Grigg is 1336331941. It was assigned to this individual provider in the NPPES registry on August 16, 2007.

Where is Eliot Grigg located?

Eliot Grigg practices at 4800 Sand Point Way NE Ms 9824, Seattle, WA 98105. The listed phone number is (206) 987-2512.

What is Eliot Grigg's specialty?

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

Is Eliot Grigg enrolled in Medicare?

Yes. Eliot Grigg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Eliot Grigg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eliot Grigg reassigns Medicare benefits to Association Of Chmc And University Physicians (Seattle, WA). 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 Eliot Grigg'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 Eliot Grigg was last updated on August 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.