NPIMap

Individual provider Active NPI

Ann Marie Mullally, MD

  • Hematology & Oncology Physician
  • Stanford, CA
National Provider Identifier
1679563910
Registry record updated Jul 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
226952 Issued in MA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Oct 27, 2005
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 28, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 226952 MA Primary
Hematology (Internal Medicine) Physician 207RH0000X C202663 CA
Hematology & Oncology Physician 207RH0003X C202663 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

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

Other practice location 1

44 Binney St
Dana Farber Cancer Institute
Boston, MA 02115-6013
Phone (617) 355-9060

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, CA2 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
I20070203000133 MA Practitioner - Internal MedicinePractitioner - Medical Oncology 8123020104 Reassigns benefits to 2 organizations
I20250612001878 CA Practitioner - Hematology 8123020104 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology
Education
Other, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.06 of 100Reported as group
Quality
65.04
Promoting interoperability
100
Improvement activities
40
Cost
69.14

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C202663CAMDHematology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dana-Farber Cancer Institute, Inc. CurrentSince May 1, 2010 Accepting new patients
Stanford Health Care CurrentSince May 28, 2025 Accepting new patients
Stanford Health Care CurrentSince May 28, 2025 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince May 1, 2010 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince May 1, 2010 Accepting new patients
Stanford Health Care Current Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince May 28, 2025 Accepting new patients
Emerson Hospital Past Accepting new patients

Locations

875 Blake Wilbur Dr
Palo Alto, CA 94304
Phone (650) 723-7621

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

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

450 Brookline Ave
#204
Boston, MA 02215
Phone (617) 632-3252

44 Binney St
Boston, MA 02115
Phone (617) 632-3591

450 Brookline Ave
Boston, MA 02215
Phone (508) 478-2061

Interoperability endpoints

  • Direct secure messaging: amullally525307@direct.stanfordhealthcare.org

Organizations & group practices 8

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 7

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": "1130371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753660800000",
    "number": "1679563910",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "44 Binney St",
            "address_2": "Dana Farber Cancer Institute",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156013",
            "country_code": "US",
            "telephone_number": "617-355-9060",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MULLALLY",
        "first_name": "ANN",
        "middle_name": "MARIE",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2005-10-27",
        "last_updated": "2025-07-28",
        "certification_date": "2025-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MA",
            "license": "226952",
            "primary": true
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "CA",
            "license": "C202663",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "C202663",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.