Fred John Vonstieff, M.D.

Primary specialty

Addiction Medicine (Family Medicine) PhysicianTaxonomy code 207QA0401X

License

G34928 Issued in CA

Practice address

2481 Pacheco St
Concord, CA 94520-2019

Phone

(925) 680-8933

Fax

(925) 680-7635

NPI assigned

Dec 21, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

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

Addiction MedicineAlso: Internal Medicine

Education

Un of California, Irvine, College of Medicine, 1976

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Fred J Von Stieff MD a Professional CorporationGroup PAC ID 9931383544, 3 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: fvonstieff229597@hpmg.direct-ci.net
• Direct secure messaging: fvonstieff18396@ehr.johnmuirhealth.com

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.

• Fred J Von Stieff MD a Professional Corporation

  • Addiction Medicine (Family Medicine) Physician
  • Concord, CA
  • NPI 1568769412
  Medicare reassignment Care Compare group NPD
• John Muir Health

  • Rehabilitation Hospital Unit
  • Walnut Creek, CA
  • NPI 1447269303
  NPD (past)

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

• John Muir Health

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

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

{
    "created_epoch": "1166659200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1406678400000",
    "number": "1790849685",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2481 PACHECO ST",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202019",
            "telephone_number": "925-680-8933"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2481 PACHECO ST",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202019",
            "telephone_number": "925-680-8933",
            "fax_number": "925-680-7635"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VONSTIEFF",
        "first_name": "FRED",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-12-21",
        "last_updated": "2014-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0401X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Addiction Medicine",
            "state": "CA",
            "license": "G34928",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melina Vom Saal
• Gwyneth Simone Von Marksfeld-Fuhrherr
• Amora Vongsa
• Titsada Vongvilay
• Lenorise Michelle Vonner
• Megan Elizabeth Voorheis
• Chantana Vornvilaipan, AA, CERTIFICATE
• Margaret Voss
• Allen Vu
• Lan Vu, NP

• Addiction Medicine (Family Medicine) Physician in Concord, CA
• Providers in Concord, CA by specialty
• Addiction Medicine (Family Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2014; 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.