Oana V Spataru, M.D.

Primary specialty

Vascular Neurology PhysicianTaxonomy code 2084V0102X

License

A116468 Issued in CA

Practice address

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3194

Phone

(925) 939-3000

NPI assigned

Sep 20, 2007

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other names 1

• Oana V Nichita 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

Neurology

Education

Other, 2002

Medicare assignment

May accept Medicare assignment

Group practices

Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

John Muir Trauma Physicians Billing ServiceGroup PAC ID 3476542515, 111 clinicians

Alameda Health SystemGroup PAC ID 3779494521, 597 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
• Highland Hospital Hospital, Oakland, CA, CCN 050320
• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496
• California Pacific Medical Ctr-Davies Campus Hosp Hospital, San Francisco, CA, CCN 050008
• San Ramon Regional Medical Center Hospital, San Ramon, CA, CCN 050689

Merit-based Incentive Payment System (MIPS)

Final score

94.65 of 100Reported as group

Quality

100

Promoting interoperability

100

Improvement activities

40

Cost

82.17

Merit-based Incentive Payment System (MIPS)

Final score

83.63 of 100Reported as group

Quality

67.56

Improvement activities

40

Cost

71.56

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ospataru91852@hisp.ehr.sutterhealth.org

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.

• Alameda Health System

  • Surgery Physician
  • Oakland, CA
  • NPI 1740332931
  Medicare reassignment Care Compare group NPD
• Golden State Stroke and Neurocritical Care, Inc.

  • Neurocritical Care Physician
  • Danville, CA
  • NPI 1871481499
  Medicare reassignment NPD Authorized official
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment Care Compare group NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment Care Compare group NPD
• Diablo Neurosurgical Medical Group, Inc.

  • Neurological Surgery Physician
  • Walnut Creek, CA
  • NPI 1265445993
  Medicare reassignment NPD
• Alameda Health System

  • Federally Qualified Health Center (FQHC)
  • Newark, CA
  • NPI 1497956288
  NPD
• Alameda Health System

  • Federally Qualified Health Center (FQHC)
  • San Leandro, CA
  • NPI 1558749440
  NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861
  NPD
• Sutter Bay Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1083815872
  NPD (past)
• Sutter East Bay Medical Foundation

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769

  Neurology

  NPD (past)

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

• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1083815872
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1396764353
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1700087590
  Care Compare affiliation
• John Muir Health

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

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  Care Compare affiliation
• San Ramon Regional Medical Center, LLC

  • General Acute Care Hospital
  • San Ramon, CA
  • NPI 1932131489
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1659439834
  Care Compare affiliation

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

{
    "created_epoch": "1190246400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1518153824",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "411 NATALIE LN",
            "city": "DANVILLE",
            "state": "CA",
            "postal_code": "945064718",
            "telephone_number": "510-809-5897"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 YGNACIO VALLEY RD",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983194",
            "telephone_number": "925-939-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1100 Van Ness Ave",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941096978",
            "country_code": "US",
            "telephone_number": "415-600-5760",
            "fax_number": "415-369-1208",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SPATARU",
        "first_name": "OANA",
        "middle_name": "V",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-09-20",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A116468",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "A116468",
            "primary": false
        },
        {
            "code": "282N00000X",
            "taxonomy_group": "",
            "desc": "General Acute Care Hospital",
            "state": "CA",
            "license": "A116468",
            "primary": false
        },
        {
            "code": "2084V0102X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Vascular Neurology",
            "state": "CA",
            "license": "A116468",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "OANA",
            "last_name": "NICHITA",
            "middle_name": "V",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Julie Ann Souza, DC
• Rebecca Samantha Souza, LMFT
• Lauren E Spampinato, PHD, LP
• Megan Alexis Sparrow
• Leah Sparrowe
• Aimee Lynn Spaulding, RN, IBCLC
• Elisabeth C. Specht, MD
• Edward Speck, RPH
• Charlene B. Spencer, M.D.
• Duane Elwyn Spencer, DDS

• Vascular Neurology Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Vascular Neurology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2025; 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.