Individual provider Active NPI

Brett J Halloran, M.D.

  • Internal Medicine Physician
  • Sarasota, FL
National Provider Identifier
1235280470
Registry record updated Sep 25, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
C131872 Issued in CA
Practice address
943S Beneva Rd 306
Sarasota, FL 34232-2473
Phone
(941) 362-8644
Fax
(941) 954-4440
NPI assigned
Jan 15, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2023

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036125084 IL
Internal Medicine Physician 207R00000X 058417 GA
Internal Medicine Physician 207R00000X 276152 AZ
Hospitalist Physician 208M00000X C131872 CA
Hospitalist Physician 208M00000X ME124342 FL
Internal Medicine Physician 207R00000X C131872 CA Primary

Addresses

Primary practice location

943S Beneva Rd 306
Sarasota, FL 34232-2473

Mailing address

943S Beneva Rd 306
Sarasota, FL 34232-2473
Phone (941) 362-8644

Other identifiers 2

IdentifierTypeStateIssuer
036125084MedicaidIL
04515143OtherILBCBS#

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, AZ2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20140930002357 CA Practitioner - Internal MedicinePractitioner - Hospitalist 0244304715 Reassigns benefits to 6 organizations
I20200103001508 AZ Practitioner - Internal Medicine 0244304715 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Galen Inpatient Physicians PCGroup PAC ID 3678464633, 1,045 clinicians

Practice addresses (Care Compare)

1 Marcela Dr
Willits, CA 95490-5769
Phone (707) 459-6801

10 Woodland Rd
Saint Helena, CA 94574-9554
Phone (707) 963-3611

15248 11TH St
Victorville, CA 92395-3704
Phone (760) 245-8691

275 Hospital Dr
Ukiah, CA 95482-4531
Phone (707) 462-3111

700 River Dr
Fort Bragg, CA 95437-5403
Phone (707) 961-1234

869 N Cherry St
Tulare, CA 93274-2207
Phone (559) 685-3462

Hospital & facility affiliations

  • Adventist Health St Helena Hospital, Saint Helena, CA, CCN 050013
  • Adventist Health Howard Memorial Hospital, Willits, CA, CCN 051310
  • Adventist Health Ukiah Valley Hospital, Ukiah, CA, CCN 050301
  • Adventist Health Clearlake Hospital, Clearlake, CA, CCN 051317
  • Adventist Health Mendocino Coast Hospital, Fort Bragg, CA, CCN 051325

Merit-based Incentive Payment System (MIPS)

Final score
82.4 of 100Reported as group
Quality
65.6
Improvement activities
40
Cost
71.06

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
276152AZMDInternal Medicine Physician
C131872CAMDInternal Medicine Physician
058417GAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Quantum Bay Area Hospitalist Medical Group Inc Internal Medicine CurrentSince Sep 1, 2019 Accepting new patients
Arizona Post-Acute Medical Services 1 PC Hospitalist CurrentSince Nov 1, 2019 Accepting new patients
Galen Inpatient Physicians, PC Hospitalist Current Accepting new patients
California Post-Acute Medical Group 1, Inc. Hospitalist CurrentSince May 31, 2025 Accepting new patients
Galen Inpatient Physicians PC Hospitalist CurrentSince Jun 1, 2022 Accepting new patients
Quantum Healthcare Medical Associates Inc. Family Medicine CurrentSince Apr 1, 2016 Accepting new patients
CS Pacs 3 West LLC Hospitalist CurrentSince Oct 5, 2024 Accepting new patients
Arizona Acute Medical Services 1 PC Hospitalist CurrentSince Jul 7, 2021 Accepting new patients
NM Pacs 2 LLC Hospitalist CurrentSince Jan 1, 2022 Accepting new patients
CS Pacs 3 Ca Medical Group Inc Internal Medicine CurrentSince Jun 21, 2025 Accepting new patients
Ca Pacs 2 Medical Group Inc Hospitalist CurrentSince Jun 21, 2025 Accepting new patients
Galen Inpatient Physicians PC Internal Medicine CurrentSince Jun 1, 2022 Accepting new patients
Primedoc of Brunswick Inc Internal Medicine Past Accepting new patients

Locations (25 of 30)

1081 Kathleen Ave
Kingman, AZ 86401
Phone (928) 718-0777

255 W Brown Rd
Mesa, AZ 85201
Phone (480) 833-3988

5755 E Main St
Mesa, AZ 85205
Phone (480) 214-2400

1119 E Rancho Vistoso Blvd
Oro Valley, AZ 85755
Phone (520) 825-4669

3929 E Bell Rd
Phoenix, AZ 85032
Phone (602) 923-5000

8825 S 7th St
Phoenix, AZ 85042
Phone (602) 243-6121

2510 W Dunlap Ave
Ste 290
Phoenix, AZ 85021

864 Dougherty St
Prescott, AZ 86305
Phone (928) 778-9666

3380 N Windsong Dr
Prescott Vly, AZ 86314
Phone (928) 775-0045

2401 E Hunt Dr
Show Low, AZ 85901
Phone (928) 537-5333

1921 W Hospital Dr
Tucson, AZ 85704
Phone (520) 544-5200

21863 Vallejo St
Cherryland, CA 94541
Phone (510) 481-3200

15630 18th Ave
Clearlake, CA 95422
Phone (707) 995-5820

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

2500 Grant Rd
Mountain View, CA 94040
Phone (650) 903-9500

400 N McDowell Blvd
Petaluma, CA 94954
Phone (707) 778-1111

10 Woodland Rd
Saint Helena, CA 94574
Phone (707) 963-2002

302 Silver Ave
San Francisco, CA 94112
Phone (415) 334-2500

450 Stanyan St
San Francisco, CA 94117
Phone (415) 668-1000

2295 Plummer Ave
San Jose, CA 95125
Phone (408) 269-0701

2800 Benedict Dr
San Leandro, CA 94577
Phone (510) 357-8300

2620 Flores St
San Mateo, CA 94403
Phone (650) 349-2161

20400 Saratoga Los Gatos Rd
#R
Saratoga, CA 95070
Phone (408) 741-2950

1002 W Fremont Ave
Sunnyvale, CA 94087
Phone (408) 739-2383

869 N Cherry St
Tulare, CA 93274
Phone (559) 326-2800

Organizations & group practices 23

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.

View all 23

Hospital & facility affiliations 5

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": "1168819200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1695600000000",
    "number": "1235280470",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "943S BENEVA RD 306",
            "city": "SARASOTA",
            "state": "FL",
            "postal_code": "342322473",
            "telephone_number": "941-362-8644",
            "fax_number": "941-954-4440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "943S BENEVA RD 306",
            "city": "SARASOTA",
            "state": "FL",
            "postal_code": "342322473",
            "telephone_number": "941-362-8644",
            "fax_number": "941-954-4440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALLORAN",
        "first_name": "BRETT",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-15",
        "last_updated": "2023-09-25",
        "certification_date": "2022-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036125084",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "058417",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "276152",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "C131872",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "FL",
            "license": "ME124342",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C131872",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036125084",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS#",
            "identifier": "04515143",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sarasota, FL

Sources for this page

Verify at the official NPI Registry.