NPIMap

Individual provider Active NPI

Tammy Pei-Hsin Cheng Sievers, MD

  • Rheumatology Physician
  • Ventura, CA
National Provider Identifier
1619004694
Registry record updated Mar 8, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
A110176 Issued in CA
Practice address
120 N Ashwood Ave
Ventura, CA 93003-1810
Phone
(805) 658-5800
NPI assigned
Feb 27, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 8, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X A110176 CA Primary

Addresses

Primary practice location

120 N Ashwood Ave
Ventura, CA 93003-1810

Mailing address

5855 Olivas Park Dr
Ventura, CA 93003-7672
Phone (805) 667-2801

Other practice location 1

5855 Olivas Park Dr
Ventura, CA 93003-7672
Phone (805) 667-2801

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100309000727 CA Practitioner - Rheumatology 2466543558 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
Washington University School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Community Memorial Health SystemGroup PAC ID 9537155676, 187 clinicians

Practice addresses (Care Compare)

422 Arneill Rd B
Camarillo, CA 93010-6434
Phone (805) 383-4510

Hospital & facility affiliations

  • Community Memorial Hospital - Ventura Hospital, Ventura, CA, CCN 050394
  • Community Memorial Hospital - Ojai Hospital, Ojai, CA, CCN 051334
  • St Johns Regional Medical Center Hospital, Oxnard, CA, CCN 050082

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A110176CAMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Community Memorial Health System Current Accepting new patients
Community Memorial Health System CurrentSince Feb 1, 2010 Accepting new patients
Community Memorial Health System CurrentSince Feb 1, 2010 Accepting new patients
Barnes Jewish Hospital Past Accepting new patients
Community Memorial Health System Past Accepting new patients
Community Memorial Hospital Past Accepting new patients
Community Memorial Health System Past Accepting new patients
Barnes Jewish Hospital Past Accepting new patients

Locations

5800 Santa Rosa Rd
Ste 149
Camarillo, CA 93012
Phone (805) 465-8900

422 Arneill Rd
Ste B
Camarillo, CA 93010
Phone (805) 383-4510

852 W Ventura St
Fillmore, CA 93015
Phone (805) 524-2672

1306 Maricopa Hwy
Ojai, CA 93023
Phone (805) 640-2260

117 Pirie Rd
Ste E
Ojai, CA 93023
Phone (805) 640-2323

1202 Maricopa Hwy
Ste A
Ojai, CA 93023
Phone (805) 640-2323

2921 Saviers Rd
Oxnard, CA 93033
Phone (805) 487-5588

250 Citrus Grove Ln
Ste 150
Oxnard, CA 93036
Phone (805) 981-3770

2361 E Vineyard Ave
Oxnard, CA 93036
Phone (805) 981-3770

138 W Main St
Ste E
Ventura, CA 93001
Phone (805) 667-2850

5855 Olivas Park Dr
Ventura, CA 93003
Phone (805) 652-5469

120 N Ashwood Ave
Ventura, CA 93003
Phone (805) 658-5800

147 N Brent St
Ventura, CA 93003
Phone (805) 652-5011

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: tammycheng@cfh.allscriptsdirect.net
  • Direct secure messaging: tsievers3518336@oc.providencedirect.org
  • FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 8

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.

Hospital & facility affiliations 12

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": "1172534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1615161600000",
    "number": "1619004694",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5855 OLIVAS PARK DR",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930037672",
            "telephone_number": "805-667-2801"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 N ASHWOOD AVE",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930031810",
            "telephone_number": "805-658-5800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5855 Olivas Park Dr",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930037672",
            "country_code": "US",
            "telephone_number": "805-667-2801",
            "fax_number": "805-667-2865",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIEVERS",
        "first_name": "TAMMY",
        "middle_name": "PEI-HSIN CHENG",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-27",
        "last_updated": "2021-03-08",
        "certification_date": "2021-03-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "A110176",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ventura, CA

Sources for this page

Verify at the official NPI Registry.