Mariko Ishiyama, D.O

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

12904 Issued in CA

Practice address

1441 Florida Ave
Modesto, CA 95350-4404

Phone

(209) 576-3525

NPI assigned

Jun 6, 2012

Last updated

Aug 14, 2024By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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

HospitalistAlso: Family Practice

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Galen Inpatient Physicians PCGroup PAC ID 3678464633, 1,045 clinicians

John Muir Physician NetworkGroup PAC ID 6608789813, 488 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Health Clearlake Hospital, Clearlake, CA, CCN 051317
• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496
• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
• Adventist Health St Helena Hospital, Saint Helena, CA, CCN 050013

Merit-based Incentive Payment System (MIPS)

Final score

82.4 of 100Reported as group

Quality

65.6

Improvement activities

40

Cost

71.06

Merit-based Incentive Payment System (MIPS)

Final score

90.32 of 100Reported as group

Quality

89.54

Promoting interoperability

100

Improvement activities

40

Cost

74.34

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Galen Inpatient Physicians, PC

  • Hospitalist Physician
  • Manteca, CA
  • NPI 1689320459
  Medicare reassignment Care Compare group NPD
• John Muir Physician Network

  • General Practice Physician
  • Walnut Creek, CA
  • NPI 1841407665
  Medicare reassignment Care Compare group NPD
• Hospitalists of Modesto Medical Group Inc

  • Internal Medicine Physician
  • Modesto, CA
  • NPI 1821190711
  Medicare reassignment NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• Galen Inpatient Physicians PC

  • Hospitalist Physician
  • Los Angeles, CA
  • NPI 1205787686
  NPD
• Galen Inpatient Physicians, PC

  • Hospitalist Physician
  • Clearlake, CA
  • NPI 1801536867
  NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861

  Family Medicine

  NPD

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

• Adventist Health Clearlake Hospital Inc.

  dba Adventist Health Clear Lake

  • Critical Access Hospital
  • Clearlake, CA
  • NPI 1124018031
  Care Compare affiliation
• John Muir Health

  dba John Muir Health, Walnut Creek Medical Center

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation
• John Muir Health

  dba John Muir Health Medical Center, Concord Campus

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  Care Compare affiliation
• St. Helena Hospital

  dba Adventist Health St. Helena

  • General Acute Care Hospital
  • Saint Helena, CA
  • NPI 1720078082
  Care Compare affiliation

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

{
    "created_epoch": "1338940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1723593600000",
    "number": "1952662991",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3606 BROOK ST",
            "city": "LAFAYETTE",
            "state": "CA",
            "postal_code": "945494202",
            "telephone_number": "510-703-9040"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1441 FLORIDA AVE",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953504404",
            "telephone_number": "209-576-3525"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ISHIYAMA",
        "first_name": "MARIKO",
        "credential": "D.O",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-06-06",
        "last_updated": "2024-08-14",
        "certification_date": "2024-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A13309",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "12904",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexis Paul Isaev, DO
• Nicole Isganitis
• Onel J Isha, PHARMD
• Elissia Isham
• Urhay Ishaya
• Nelson Kelley Ishmael
• Denzel Isidro
• Joslin Isla
• Iyleen Islas
• Jacqueline Islas

• Hospitalist Physician in Modesto, CA
• Providers in Modesto, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 2024; 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.