Individual provider Active NPI

Valerie Lynn Armstrong, MD

  • Surgical Oncology Physician
  • San Francisco, CA
National Provider Identifier
1871122911
Registry record updated May 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Oncology PhysicianTaxonomy code 2086X0206X
License
A208648 Issued in CA
Practice address
1600 Divisadero St FL 4
San Francisco, CA 94143-3010
Phone
(415) 353-7687
NPI assigned
Apr 1, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 17, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X R78008 AZ
Surgery Physician 208600000X A208648 CA
Surgical Oncology Physician 2086X0206X A208648 CA Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

1600 Divisadero St FL 4
San Francisco, CA 94143-3010

Mailing address

13400 E Shea Blvd
Scottsdale, AZ 85259-5452
Phone (480) 301-8000

Other practice location 1

13400 E Shea Blvd
Scottsdale, AZ 85259-5452
Phone (480) 301-8000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address varmstrong1214268@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260530000377 CA Practitioner - General SurgeryPractitioner - Other (Physician) 4385067487

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Miami, LM Miller School of Medicine, 2020
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1600 Divisadero St
FL 4
San Francisco, CA 94143-3066

490 Illinois St
FL 6
San Francisco, CA 94143-2510

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A208648CAMDSurgery Physician

Hospital & facility affiliations 1

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": "1585699200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778976000000",
    "number": "1871122911",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852595452",
            "telephone_number": "480-301-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 DIVISADERO ST FL 4",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941433010",
            "telephone_number": "415-353-7687"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13400 E Shea Blvd",
            "address_purpose": "LOCATION",
            "city": "Scottsdale",
            "state": "AZ",
            "postal_code": "852595452",
            "country_code": "US",
            "telephone_number": "480-301-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "VALERIE",
        "middle_name": "LYNN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-01",
        "last_updated": "2026-05-17",
        "certification_date": "2026-05-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "AZ",
            "license": "R78008",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A208648",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "CA",
            "license": "A208648",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "varmstrong1214268@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "13400 E Shea Blvd",
            "city": "Scottsdale",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "852595452",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.