Individual provider Active NPI

Stephanie Guo, CAA

  • Anesthesiologist Assistant
  • Portland, OR
National Provider Identifier
1922531755
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiologist AssistantTaxonomy code 367H00000X
License
AA70079970 Issued in WA
Practice address
707 SW Washington St Ste 700
Portland, OR 97205-3523
Phone
(503) 299-9906
Fax
(503) 225-9002
NPI assigned
Apr 8, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiologist Assistant 367H00000X
Anesthesiologist Assistant 367H00000X AA70079970 WA Primary

Addresses

Primary practice location

707 SW Washington St Ste 700
Portland, OR 97205-3523

Mailing address

PO Box 35147
Seattle, WA 98124-5147

Other practice location 1

6411 Fannin St
Houston, TX 77030-1501
Phone (713) 704-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, WA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20170706001942 TX Practitioner - Anesthesiology Assistant 6103195151 Reassigns benefits to 2 organizations
I20260603003064 WA Practitioner - Anesthesiology Assistant 6103195151 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology Assistant
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Oregon Anesthesiology Group PCGroup PAC ID 3476451659, 239 clinicians

Practice addresses (Care Compare)

2211 NE 139TH St
Vancouver, WA 98686-2742
Phone (360) 487-1000

Hospital & facility affiliations

  • Legacy Salmon Creek Medical Center Hospital, Vancouver, WA, CCN 500150

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Associate of Arts, Master of Science

State licenses

LicenseStateTypeSpecialty
AA70079970WAMDAnesthesiologist Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Ut Physicians CurrentSince Jun 19, 2017 Accepting new patients
Ut Physicians CurrentSince Jun 19, 2017 Accepting new patients
Baylor College of Medicine CurrentSince Aug 31, 2021 Accepting new patients
Baylor College of Medicine CurrentSince Aug 31, 2021 Accepting new patients
Oregon Anesthesiology Group PC PastSince Jul 25, 2019 Accepting new patients

Locations

6720 Bertner Ave
Ste O520
Houston, TX 77030
Phone (832) 355-2202

6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200

7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924

6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714

2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1491609600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1922531755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35147",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981245147"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 SW WASHINGTON ST STE 700",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972053523",
            "telephone_number": "503-299-9906",
            "fax_number": "503-225-9002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6411 Fannin St",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770301501",
            "country_code": "US",
            "telephone_number": "713-704-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUO",
        "first_name": "STEPHANIE",
        "credential": "CAA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-08",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "WA",
            "license": "AA70079970",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.