Individual provider Active NPI

Maria Isabel Castellanos, M.D.

  • Pediatrics Physician
  • San Francisco, CA
National Provider Identifier
1881013795
Registry record updated Aug 14, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
A138549 Issued in CA
Practice address
550 16TH St
San Francisco, CA 94143-2549
Phone
(415) 476-3831
NPI assigned
Apr 8, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Hematology & Oncology Physician 2080P0207X 3961 CA
Pediatrics Physician 208000000X A138549 CA Primary

Addresses

Primary practice location

550 16TH St
San Francisco, CA 94143-2549

Mailing address

1833 Calistoga Dr
San Jose, CA 95124-1766
Phone (702) 672-8357

Other practice location 1

747 52nd St
Oakland, CA 94609-1809
Phone (510) 428-3000

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
I20170615002486 CA Practitioner - Pediatric Medicine 8527336536 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A138549CAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco Pediatrics Current Accepting new patients
University of California San Francisco CurrentSince Jun 28, 2021 Accepting new patients
University of California San Francisco Pediatrics CurrentSince Jun 28, 2021 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 28, 2021 Accepting new patients
UCSF Pediatrics Associates Pediatrics CurrentSince Jun 28, 2021 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 28, 2021 Accepting new patients
County of Santa Clara Past Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients
Lucile Salter Packard Children'S Hospital at Stanford Past Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

3100 San Pablo Ave
Berkeley, CA 94702
Phone (510) 985-5020

747 52nd St
Oakland, CA 94609
Phone (510) 428-3070

550 16th St
San Francisco, CA 94143
Phone (415) 353-1238

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

Interoperability endpoints

  • Direct secure messaging: mcastellanos192166@direct-ucsfmedicalcenter.org

Organizations & group practices 10

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.

NPI Registry JSON

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

{
    "created_epoch": "1396915200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1723593600000",
    "number": "1881013795",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1833 CALISTOGA DR",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951241766",
            "telephone_number": "702-672-8357"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 16TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432549",
            "telephone_number": "415-476-3831"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "747 52nd St",
            "address_purpose": "LOCATION",
            "city": "Oakland",
            "state": "CA",
            "postal_code": "946091809",
            "country_code": "US",
            "telephone_number": "510-428-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTELLANOS",
        "first_name": "MARIA",
        "middle_name": "ISABEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-08",
        "last_updated": "2024-08-14",
        "certification_date": "2024-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "CA",
            "license": "3961",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A138549",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.