Individual provider Active NPI

Stephanie Claudia Greger, M.D.

  • Rheumatology Physician
  • Ventura, CA
National Provider Identifier
1912138132
Registry record updated May 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
A102891 Issued in CA
Practice address
3291 Loma Vista Rd BLDG 340
Ste 502
Ventura, CA 93003-3099
Phone
(805) 652-6222
Fax
(805) 652-6221
NPI assigned
Aug 5, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 245362 MA
Rheumatology Physician 207RR0500X A102891 CA Primary

Addresses

Primary practice location

3291 Loma Vista Rd BLDG 340
Ste 502
Ventura, CA 93003-3099

Mailing address

2323 Knoll Dr
Ventura, CA 93003-7307
Phone (805) 677-5181

Other practice location 1

300 Hillmont Ave Ste 502
Ventura, CA 93003-1651
Phone (805) 652-6222

Other practice location 2

200 S Wells Rd Ste 100
Ventura, CA 93004-1378
Phone (805) 647-6322

Other practice location 3

845 N 10th St Ste 3
Santa Paula, CA 93060-1348
Phone (805) 525-0215

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address stephanie.greger@ventura.cernerdirect.com Direct

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20131230001590 CA Practitioner - Rheumatology 1456498294 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
University of California, Geffen School of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Clinicas del Camino Real IncGroup PAC ID 3173434396, 99 clinicians
County of VenturaGroup PAC ID 7911810171, 340 clinicians

Practice addresses (Care Compare)

200 S Wells Rd
Ventura, CA 93004-1377
Phone (805) 647-6322

200 S Wells Rd
Suite 150
Ventura, CA 93004-1302

300 Hillmont Ave
Ventura, CA 93003-1651

500 E Main St
Santa Paula, CA 93060-2607
Phone (805) 933-0895

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.02 of 100Reported as group
Quality
64.51
Promoting interoperability
100
Improvement activities
40
Cost
72.21

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A102891CAMDRheumatology Physician
245362MAMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Ventura Current Accepting new patients
Clinicas del Camino Real Inc Past Accepting new patients
Clinicas del Camino Real Inc Past Accepting new patients
Brigham and Women'S Faulkner Hospital, Inc. Past Accepting new patients

Locations

300 Hillmont Ave
Bldg 340
Ventura, CA 93003
Phone (805) 652-6100

300 Hillmont Ave
Ste 502
Ventura, CA 93003
Phone (805) 648-9830

800 S Victoria Ave
#L4640
Ventura, CA 93009

300 Hillmont Ave
Ste 401
Ventura, CA 93003
Phone (805) 648-9830

300 Hillmont Ave
Ventura, CA 93003
Phone (805) 652-6000

Interoperability endpoints

  • Direct secure messaging: stephanie.greger@ventura.cernerdirect.com

Organizations & group practices 5

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 1

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": "1249430400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1912138132",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2323 KNOLL DR",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930037307",
            "telephone_number": "805-677-5181",
            "fax_number": "805-677-6304"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3291 LOMA VISTA RD BLDG 340",
            "address_2": "STE 502",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930033099",
            "telephone_number": "805-652-6222",
            "fax_number": "805-652-6221"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Hillmont Ave Ste 502",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930031651",
            "country_code": "US",
            "telephone_number": "805-652-6222",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 S Wells Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930041378",
            "country_code": "US",
            "telephone_number": "805-647-6322",
            "fax_number": "805-647-1764",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "845 N 10th St Ste 3",
            "address_purpose": "LOCATION",
            "city": "Santa Paula",
            "state": "CA",
            "postal_code": "930601348",
            "country_code": "US",
            "telephone_number": "805-525-0215",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREGER",
        "first_name": "STEPHANIE",
        "middle_name": "CLAUDIA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-08-05",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MA",
            "license": "245362",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "A102891",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "stephanie.greger@ventura.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Cerner Direct Secure Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Information",
            "address_1": "845 N 10th St Ste 3",
            "city": "Santa Paula",
            "state": "CA",
            "country_code": "US",
            "postal_code": "930601348",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Ventura, CA

Sources for this page

Verify at the official NPI Registry.