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Active NPI 1649210295 Individual Practitioner Female Practitioner

Dr. Grete Hemmingsen Porteous , MD

Anesthesiology • Seattle, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Grete Porteous, MD is a certified Anesthesiology practicing in Seattle, WA. With approximately 26 years of clinical experience since graduating from University Of California, San Francisco School Of Medicine in 2000, Dr. Porteous delivers high-quality medical care to the local community at 1100 9TH AVE.

Dr. Porteous is affiliated with Valley Anesthesia Associates Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, anesthesia for procedure in upper abdomen including use of an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1100 9th Ave

Seattle, WA 981012756

Telephone 2062236980
Associated Practice Facility / Clinic
🏢 Virginia Mason Medical Center Facility NPI 1376607234

Medicare Profile & Education

Medical School

University Of California, San Francisco School Of Medicine

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Seattle, WA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
26 Yrs +7.6 yrs vs City Avg
City Avg: 18.4 Yrs
State Avg: 23.7 Yrs
Regional Practice Density
702 Specialists

Practicing in Seattle, WA (1746 Statewide)

Telehealth Adoption Rate
1.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
85.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Porteous (26 Years) 26 Yrs
Seattle Specialty Average (18.4 Years) 18.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope
16 16 $818.44 $119.68

Medical Specialties & State Licenses

CMS Verified: 2024-02-19
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License WA MD60170125

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.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License CA A76493

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00A764930 (CA)
Medicaid State Provider ID
2011310 (WA)
Commercial Insurance / Payer ID Dept Of Labor And Industries
0275155 (WA)

Hospital & Practice Group Affiliations

Valley Anesthesia Associates Pllc

400 S 43rd St, Renton, WA 980555714

Phone: 8005401814

Secondary Practice Locations

1717 S J Street

Tacoma, WA 98405

Phone: 2539856403

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Vinay Gupta , MD

Internal Medicine - Critical Care Medicine

NPI 1003105917

Doctor of Medicine (M.D.)

Dr. Tien Thach , MD

Anesthesiology

NPI 1013099530

Doctor of Medicine (M.D.)

NPI 1023250693

MEDICALSTUDENT

NPI 1033550819

Doctor of Medicine (M.D.)

NPI 1033796651

Doctor of Medicine (M.D.)

Terumi Kadin , CRNA

Nurse Anesthetist, Certified Registered

NPI 1093765778

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active May 10, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location May 10, 2011

Registered at 1100 9TH AVE, SEATTLE, WA 981012756 (Tel: 2062236980)

📍
Updated Business Mailing Address May 10, 2011

Registered at 1100 9TH AVE, SEATTLE, WA 981012756 (Tel: 2065155811)

👤
Provider Name / Credentials Updated May 10, 2011

Recorded as GRETE PORTEOUS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 10, 2011

Anesthesiology (License #MD6010125 in WA)

🟢
Initial NPI Registration & Enumeration June 08, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1649210295
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 08, 2006
Last Update: February 19, 2024
Sole Proprietor: No

Mailing Address

1100 9th Ave

Seattle, WA 981012756

Phone: 2065155811

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.