Kristina Elizabeth Hawk, MD/ PHD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A125036 Issued in CA

Practice address

300 Pasteur Dr
Stanford, CA 94305-2200

Phone

(650) 723-4000

NPI assigned

May 9, 2011

Last updated

Feb 10, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Kristina Elizabeth Bray Former name

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

Specialty

Diagnostic RadiologyAlso: Nuclear Medicine

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University of CaliforniaGroup PAC ID 3577476761, 2,047 clinicians

Kern Radiology Medical Group IncGroup PAC ID 7214826460, 94 clinicians

Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Desert Advanced Imaging Medical CenterGroup PAC ID 6406749613, 209 clinicians

Beverly Radiology Medical Group IIIGroup PAC ID 3476466376, 327 clinicians

Fresno Imaging CenterGroup PAC ID 2466553128, 127 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025
• Stanford Health Care Hospital, Stanford, CA, CCN 050441
• Stanford Health Care Tri-Valley Hospital, Pleasanton, CA, CCN 050283
• El Centro Regional Medical Center Hospital, El Centro, CA, CCN 050045

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations (25 of 159)

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.

• Beverly Radiology Medical Group III

  • Diagnostic Radiology Physician
  • Los Angeles, CA
  • NPI 1962457812
  Medicare reassignment Care Compare group NPD
• Desert Advanced Imaging Medical Center

  • Diagnostic Radiology Physician
  • Palm Desert, CA
  • NPI 1568416147
  Medicare reassignment Care Compare group NPD
• Fresno Imaging Center

  • Diagnostic Radiology Physician
  • Fresno, CA
  • NPI 1659456499
  Medicare reassignment Care Compare group NPD
• Kern Radiology Medical Group, Inc

  • Diagnostic Radiology Physician
  • Bakersfield, CA
  • NPI 1700821972
  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927

  Nuclear Radiology

  Medicare reassignment Care Compare group NPD
• Stanford Health Care

  dba Stanford Medical Center A Trade Name for Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Cedars-Sinai Medical Care Foundation

  • Specialist
  • Los Angeles, CA
  • NPI 1316984388
  Medicare reassignment NPD
• Focus Medical Imaging

  • Diagnostic Radiology Physician
  • Monrovia, CA
  • NPI 1528299989
  Medicare reassignment NPD
• Modesto Advanced Diagnostic Imaging Medical Center

  dba Modesto Advanced Diag Imaging Medical Center

  • Diagnostic Radiology Physician
  • Modesto, CA
  • NPI 1730133893
  Medicare reassignment NPD
• Norcal Imaging

  • Diagnostic Radiology Physician
  • Concord, CA
  • NPI 1003965997
  Medicare reassignment NPD
• Radnet Medical Imaging-San Francisco

  • Diagnostic Radiology Physician
  • San Francisco, CA
  • NPI 1548345382
  Medicare reassignment NPD
• Renaissance Imaging Medical Associates, Inc.

  • Diagnostic Radiology Physician
  • Northridge, CA
  • NPI 1487608931
  Medicare reassignment NPD

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

• El Centro Regional Medical Center

  • General Acute Care Hospital
  • El Centro, CA
  • NPI 1861409823
  Care Compare affiliation
• Regents of the University of California

  dba UCSD Medical Center

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1184722779
  Care Compare affiliation
• Stanford Health Care

  dba SHC Radiation Oncology

  • Radiation Oncology Physician
  • Pleasanton, CA
  • NPI 1124561758

  Hospital

  Care Compare affiliation
• Stanford Health Care

  dba Stanford Health Care Emeryville 5800

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1275076325
  Care Compare affiliation
• Stanford Health Care

  dba Stanford Health Care Emeryville 6121

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1285177337
  Care Compare affiliation
• Stanford Health Care

  dba Stanford Medical Center A Trade Name for Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  Care Compare affiliation
• Stanford Health Care

  dba Stanford Health Care Pleasanton 5565

  • General Acute Care Hospital
  • Pleasanton, CA
  • NPI 1467990465
  Care Compare affiliation
• Stanford Health Care

  dba Stanford Medical Center A Trade Name for Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1871543215
  Care Compare affiliation
• Stanford Health Care Tri-Valley

  • General Acute Care Hospital
  • Pleasanton, CA
  • NPI 1144389941
  Care Compare affiliation
• Stanford Life Flight

  • Air Ambulance
  • Stanford, CA
  • NPI 1114063203

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1304899200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1861784860",
    "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": "200 W Arbor Dr",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921039000",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAWK",
        "first_name": "KRISTINA",
        "middle_name": "ELIZABETH",
        "credential": "MD/ PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-05-09",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207U00000X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine",
            "state": "CA",
            "license": "A125036",
            "primary": false
        },
        {
            "code": "2085N0904X",
            "taxonomy_group": "",
            "desc": "Radiology, Nuclear Radiology",
            "state": "CA",
            "license": "A125036",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A125036",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KRISTINA",
            "last_name": "BRAY",
            "middle_name": "ELIZABETH",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Julia Ann Hassen, LCSW
• Melissa Erin Hastings, NP
• Alec J Hasty, MD
• Sejal Hathi, MD, MBA
• Christian Chen Haudenschild Jr.
• Aaron Katsuhiro Hayashi, MD
• Mohammed Rehman Hayat, MS, MD
• Melanie Gail Hayden Gephart, MD
• Anna Depena Hayes, PA-C
• Victoria Lynne Hayes, DPT

• Diagnostic Radiology Physician in Stanford, CA
• Providers in Stanford, CA by specialty
• Diagnostic Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.