NPIMap

Individual provider Active NPI

Andrea Portocarrero Castillo, M.D.

  • Gastroenterology Physician
  • Mission, TX
National Provider Identifier
1174978852
Registry record updated Sep 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
W3995 Issued in TX
Practice address
910 S Bryan Rd Ste 209
Mission, TX 78572-6659
Phone
(956) 424-1511
Fax
(956) 424-3575
NPI assigned
Apr 29, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 21, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X A181751 CA
Internal Medicine Physician 207R00000X A181751 CA
Gastroenterology Physician 207RG0100X W3995 TX Primary

Addresses

Primary practice location

910 S Bryan Rd Ste 209
Mission, TX 78572-6659

Mailing address

910 S Bryan Rd Ste 209
Mission, TX 78572-6659
Phone (956) 424-1511

Other practice location 1

910 S Bryan Rd Ste 209
Mission, TX 78572-6659
Phone (956) 424-1511

Other practice location 2

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 3

234 Goodman St
ML 0781
Cincinnati, OH 45219-2364
Phone (513) 584-4505

Other names 1

  • Andrea Portocarrero Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, TX2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20221005003471 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 6608156898
I20260331000134 TX Practitioner - Gastroenterology 6608156898 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Silvia Castillo Sy MdpaGroup PAC ID 0547315590, 3 clinicians

Practice addresses (Care Compare)

910 S Bryan Rd
Suite 209
Mission, TX 78572-6659
Phone (956) 424-1511

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.53 of 100Reported as group
Quality
87.08
Promoting interoperability
100
Improvement activities
40
Cost
69.51

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy29
Upper gastrointestinal (GI) endoscopy for acid reflux30

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A181751CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Internal Medicine CurrentSince Sep 21, 2022 Accepting new patients
Stanford Health Care CurrentSince Sep 21, 2022 Accepting new patients
Stanford Health Care Internal Medicine Current Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Sep 21, 2022 Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Lucile Salter Packard Children's Hospital at Stanford Past Accepting new patients

Locations

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

450 Broadway St
Redwood City, CA 94063
Phone (650) 723-5643

450 Broadway St
Fl 2
Redwood City, CA 94063
Phone (650) 498-3931

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Interoperability endpoints

  • Direct secure messaging: aportocarrerocastillo391405@direct.stanfordhealthcare.org
  • FHIR API: https://fhir4.healow.com/fhir/r4/IBJDAD/Endpoint/IBJDAD

Organizations & group practices 7

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

Hospital & facility affiliations 9

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": "1461888000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789948800000",
    "number": "1174978852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "910 S BRYAN RD STE 209",
            "city": "MISSION",
            "state": "TX",
            "postal_code": "785726659",
            "telephone_number": "956-424-1511",
            "fax_number": "953-424-3575"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "910 S BRYAN RD STE 209",
            "city": "MISSION",
            "state": "TX",
            "postal_code": "785726659",
            "telephone_number": "956-424-1511",
            "fax_number": "956-424-3575"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "910 S Bryan Rd Ste 209",
            "address_purpose": "LOCATION",
            "city": "Mission",
            "state": "TX",
            "postal_code": "785726659",
            "country_code": "US",
            "telephone_number": "956-424-1511",
            "fax_number": "956-424-3575",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Pasteur Dr",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943052200",
            "country_code": "US",
            "telephone_number": "650-723-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "234 Goodman St",
            "address_2": "ML 0781",
            "address_purpose": "LOCATION",
            "city": "Cincinnati",
            "state": "OH",
            "postal_code": "452192364",
            "country_code": "US",
            "telephone_number": "513-584-4505",
            "fax_number": "513-584-0468",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PORTOCARRERO CASTILLO",
        "first_name": "ANDREA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-04-29",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A181751",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A181751",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "W3995",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ANDREA",
            "last_name": "PORTOCARRERO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Mission, TX

Sources for this page

Verify at the official NPI Registry.