Individual provider Active NPI

Diana Halloran, MD

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Indianapolis, IN
National Provider Identifier
1548897325
Registry record updated Aug 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospice and Palliative Medicine (Internal Medicine) PhysicianTaxonomy code 207RH0002X
License
01093754A Issued in IN
Practice address
720 Eskenazi Ave FL 2
Indianapolis, IN 46202-5189
Phone
(317) 278-5316
NPI assigned
Mar 24, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 22, 2025

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 125075620 IL
Emergency Medicine Physician 207P00000X A202195 CA
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X A202195 CA
Student in an Organized Health Care Education/Training Program 390200000X
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X 01093754A IN Primary

Addresses

Primary practice location

720 Eskenazi Ave FL 2
Indianapolis, IN 46202-5189

Mailing address

720 Eskenazi Ave FL 2
Indianapolis, IN 46202-5189
Phone (317) 278-5316

Other practice location 1

20101 Lake Chabot Rd Fl 4
Castro Valley, CA 94546-5305
Phone (510) 204-3410

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
I20250903004018 CA Practitioner - Emergency MedicinePractitioner - Hospice/Palliative Care 8820412646 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Hospice/Palliative Care
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

2001 Dwight Way
Berkeley, CA 94704-2608
Phone (510) 204-1591

20101 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 886-3400

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 727-3256

3100 Summit St
FL 2
Oakland, CA 94609-3412
Phone (510) 869-8865

3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222

370 Distel Cir
Los Altos, CA 94022-1404
Phone (650) 254-5200

Hospital & facility affiliations

  • Sutter Care at Home Home health agency, Concord, CA, CCN 057004

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A202195CAMDEmergency Medicine Physician
01093754AINMDHospice and Palliative Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Sep 8, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Sep 8, 2025 Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients
Sutter East Bay Medical Foundation Emergency Medicine Past Accepting new patients

Locations

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

2001 Dwight Way
Berkeley, CA 94704
Phone (510) 204-1880

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

20101 Lake Chabot Rd
Fl 4
Castro Valley, CA 94546
Phone (510) 204-3410

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

3100 Summit St
Ste G580
Oakland, CA 94609
Phone (510) 204-3410

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

Interoperability endpoints

  • Direct secure messaging: dhalloran742475@hisp.ehr.sutterhealth.org

Organizations & group practices 4

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 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": "1585008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755820800000",
    "number": "1548897325",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "720 ESKENAZI AVE FL 2",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025189",
            "telephone_number": "317-278-5316"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "720 ESKENAZI AVE FL 2",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025189",
            "telephone_number": "317-278-5316"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20101 Lake Chabot Rd Fl 4",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945465305",
            "country_code": "US",
            "telephone_number": "510-204-3410",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HALLORAN",
        "first_name": "DIANA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-24",
        "last_updated": "2025-08-22",
        "certification_date": "2025-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "125075620",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A202195",
            "primary": false
        },
        {
            "code": "207RH0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hospice and Palliative Medicine",
            "state": "CA",
            "license": "A202195",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RH0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hospice and Palliative Medicine",
            "state": "IN",
            "license": "01093754A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.