CHARLES COMSTOCK CHASE CAA
NPI 1417694381
Anesthesiologist Assistant in Portland, OR

Q: What is Charles Chase's NPI number?

The NPI number for Charles Chase is 1417694381. It was assigned to this individual provider in the NPPES registry on May 12, 2022.

Q: What is Charles Chase's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Chase was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since May 12, 2022Accepts Medicare Assignment

707 SW WASHINGTON ST STE 700, PORTLAND, OR 97205(503) 299-9906(503) 225-9002 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 11, 2026, May 12, 2022 (2 updates tracked since 2022).

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About Charles Comstock Chase Caa NPPES

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

CHARLES COMSTOCK CHASE CAA (NPI 1417694381) is an individual anesthesiologist assistant in Portland, Oregon, licensed in Washington (AA70065105) and active in the NPI registry since May 2022. He is affiliated with Ssm Health Saint Louis University Hospital, maintains a secondary practice location in Saint Louis, and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2022).

NPPES Registry Identity

NPI1417694381

Entity TypeIndividualMale

Primary Taxonomy367H00000X

Provider Legal NameCHARLES COMSTOCK CHASECredential: CAA

Location Address707 SW WASHINGTON ST STE 700Portland, OR 97205-3523

Mailing AddressPo Box 35147Seattle, WA 98124-5147

Phone(503) 299-9906

Fax(503) 225-9002

Sole ProprietorNo

Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 2022

Enumeration DateMay 12, 2022

Last NPPES UpdateMarch 11, 20262 updates tracked since enumeration

NPPES CertifiedMarch 11, 2026

✔ NPI 1417694381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367H00000X

License✔ Licensed in WA · AA70065105

Definition

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

707 SW WASHINGTON ST STE 700, Portland, OR 97205

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Secondary Practice Location 1

Location 11201 S Grand BlvdSaint Louis, MO 63104-1016 · Phone (314) 257-3317

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles Comstock Chase Caa 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 ID8921476334

PECOS Enrollment IDI20221116000351

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

38 services37 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

18 services18 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health Saint Louis University Hospital

Acute Care Hospitals · Saint Louis, MO

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number260105

Location3635 Vista AveSaint Louis, MO 63110 · St. Louis City County

Emergency services

Freeman Health System - Freeman West

Acute Care Hospitals · Joplin, MO

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260137

Location1102 West 32nd StreetJoplin, MO 64804 · Jasper County

Emergency services Birthing friendly

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.

DR. JUSTIN DAVID RAMOS MD

Anesthesiology