Individual provider Active NPI

Oluwaseyi Segun Balasire, M.D.

  • Hospitalist Physician
  • Castro Valley, CA
National Provider Identifier
1003235243
Registry record updated Mar 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
A152926 Issued in CA
Practice address
20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone
(510) 727-3256
Fax
(510) 727-3107
NPI assigned
Apr 15, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 7, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 1118626 CA
Internal Medicine Physician 207R00000X 56261 TN
Hospitalist Physician 208M00000X A152926 CA Primary

Addresses

Primary practice location

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305

Mailing address

400 Chaney Rd Apt 307
Smyrna, TN 37167-2650
Phone (813) 389-8614

Other practice location 1

1818 Albion St
Nashville, TN 37208-2918
Phone (615) 341-4000

Other practice location 2

900 E Oak Hill Ave
Knoxville, TN 37917-4505
Phone (865) 545-8000

Other identifiers 2

IdentifierTypeStateIssuer
1118626OtherCAAMERICAN BOARD OF INTERNAL MEDICINE
A152926OtherCASTATE MEDICAL LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN, CA, TX3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20180130002168 TN Practitioner - Internal Medicine 5799045316 Reassigns benefits to 4 organizations
I20190808001082 CA Practitioner - Internal MedicinePractitioner - Hospitalist 5799045316 Reassigns benefits to 2 organizations
I20211222000859 TX Practitioner - Internal Medicine 5799045316 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

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

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

350 Hawthorne Ave
Oakland, CA 94609-3108
Phone (510) 655-4000

Hospital & facility affiliations

  • Eden Medical Center Hospital, Castro Valley, CA, CCN 050488
  • Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1118626CAMDInternal Medicine Physician
A152926CAMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Jul 2, 2019 Accepting new patients
App of Tennessee HM, PLLC Hospitalist CurrentSince Jul 1, 2019 Accepting new patients
Galen Inpatient Physicians, PC Hospitalist Current Accepting new patients
Summit Medical Group, PLLC Internal Medicine CurrentSince Sep 26, 2017 Accepting new patients
Summit Medical Group, PLLC Internal Medicine CurrentSince Sep 26, 2017 Accepting new patients
Usacs Integrated Acute Care Services of Texas, PLLC Internal Medicine CurrentSince Sep 23, 2024 Accepting new patients
Hospitalist Medicine Physicians of Texas, PLLC Internal Medicine CurrentSince Sep 2, 2022 Accepting new patients
Galen Inpatient Physicians PC Hospitalist CurrentSince Sep 23, 2023 Accepting new patients
Sutter Bay Medical Foundation Internal Medicine CurrentSince Jul 2, 2019 Accepting new patients
Cogent Healthcare of Texas, PA Internal Medicine CurrentSince Jul 1, 2022 Accepting new patients
Southeastern Physician Services PC Internal Medicine CurrentSince Jun 19, 2019 Accepting new patients
Galen Inpatient Physicians Inc Internal Medicine CurrentSince Sep 23, 2023 Accepting new patients
Ipc Healthcare Services of Texas, PLLC Internal Medicine CurrentSince Oct 1, 2021 Accepting new patients
Sutter Bay Medical Foundation Current Accepting new patients
Sports Medicine Grant, Inc Past Accepting new patients
Sutter East Bay Medical Foundation Internal Medicine Past Accepting new patients

Locations (25 of 44)

2450 Ashby Ave
Berkeley, CA 94705
Phone (510) 204-1566

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

115 Mall Dr
Hanford, CA 93230
Phone (559) 537-0550

20103 Lake Chabot Rd
Hayward, CA 94546
Phone (510) 537-1234

975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575

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

325 Distel Cir
Los Altos, CA 94022
Phone (510) 204-3977

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

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

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

795 El Camino Real
#1112
Palo Alto, CA 94301

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

2128 Soquel Ave
Santa Cruz, CA 95062
Phone (831) 425-0727

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

1551 Bishop St
Ste 110
Sn Luis Obisp, CA 93401
Phone (805) 548-8585

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

106 Medical Center Blvd
Fayetteville, TN 37334
Phone (931) 438-1100

1225 E Weisgarber Rd
Ste 200
Knoxville, TN 37909
Phone (865) 938-3627

10820 Parkside Dr
Knoxville, TN 37934
Phone (865) 218-7011

7565 Dannaher Dr
Powell, TN 37849
Phone (865) 545-8000

2835 Highway 231 N
Shelbyville, TN 37160
Phone (931) 685-5433

Interoperability endpoints

  • Direct secure messaging: obalasire455088@hisp.ehr.sutterhealth.org

Organizations & group practices 17

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 17

Hospital & facility affiliations 2

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": "1397520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1003235243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 CHANEY RD APT 307",
            "city": "SMYRNA",
            "state": "TN",
            "postal_code": "371672650",
            "telephone_number": "813-389-8614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20103 LAKE CHABOT RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465305",
            "telephone_number": "510-727-3256",
            "fax_number": "510-727-3107"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1818 Albion St",
            "address_purpose": "LOCATION",
            "city": "Nashville",
            "state": "TN",
            "postal_code": "372082918",
            "country_code": "US",
            "telephone_number": "615-341-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "900 E Oak Hill Ave",
            "address_purpose": "LOCATION",
            "city": "Knoxville",
            "state": "TN",
            "postal_code": "379174505",
            "country_code": "US",
            "telephone_number": "865-545-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BALASIRE",
        "first_name": "OLUWASEYI",
        "middle_name": "SEGUN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-04-15",
        "last_updated": "2023-03-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "1118626",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "56261",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A152926",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERICAN BOARD OF INTERNAL MEDICINE",
            "identifier": "1118626",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE MEDICAL LICENSE",
            "identifier": "A152926",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

Verify at the official NPI Registry.