Individual provider Active NPI

Andrew Nathan Knoll, M.D.

  • Diagnostic Radiology Physician
  • Orange, CA
National Provider Identifier
1801075189
Registry record updated Jun 14, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A93913 Issued in CA
Practice address
431 S Batavia St
Suite 103
Orange, CA 92868-3936
Phone
(714) 538-6731
Fax
(714) 571-5055
NPI assigned
Nov 2, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 14, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X A93913 CA Primary

Addresses

Primary practice location

431 S Batavia St
Suite 103
Orange, CA 92868-3936

Mailing address

PO Box 14005
Orange, CA 92863-1405
Phone (714) 571-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, NM, MA, CT4 enrollments
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 4

Enrollment IDStateProvider typePAC IDDetails
I20090731000254 CA Practitioner - Diagnostic Radiology 3476606997 Reassigns benefits to 5 organizations
I20260115001922 NM Practitioner - Diagnostic Radiology 3476606997 Reassigns benefits to 2 organizations
I20260415000445 MA Practitioner - Diagnostic Radiology 3476606997 Reassigns benefits to 1 organization
I20260504008097 CT Practitioner - Diagnostic Radiology 3476606997 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
New York Medical College, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Riverside Radiology and Interventional Associates IncGroup PAC ID 8729976964, 251 clinicians
Moran Rowen and Dorsey IncGroup PAC ID 9537063375, 35 clinicians
Radiology Consultants of Iowa PLCGroup PAC ID 3577467851, 73 clinicians
Radiant Imaging IncGroup PAC ID 7113145558, 65 clinicians
Gem State Radiology LLPGroup PAC ID 9335044833, 60 clinicians
Otero County Hospital AssociationGroup PAC ID 3173516606, 245 clinicians
Baptist Physician NetworkGroup PAC ID 0547333890, 121 clinicians

Practice addresses (Care Compare)

Irvine, CA 92602
Phone (614) 340-7740

1031 W Chapman Ave
Orange, CA 92868-2872
Phone (714) 997-4762

1095 Irvine Blvd
Tustin, CA 92780-3526
Phone (714) 505-7110

1100 W Stewart Dr
St Joseph Hospital
Orange, CA 92868-3891
Phone (714) 771-8171

12942 Harbor Blvd
Garden Grove, CA 92840-5809
Phone (714) 705-2120

15 Walnut CRK
Irvine, CA 92602-1048
Phone (319) 364-0121

201 Chestnut Hill Rd
Stafford Springs, CT 06076-4005
Phone (860) 684-4251

2212 E 4TH St
Santa Ana, CA 92705-3870
Phone (714) 571-7767

2501 E Chapman Ave
Orange, CA 92869-3204
Phone (714) 628-3305

2669 Scenic Dr
Alamogordo, NM 88310-8700
Phone (505) 439-6100

3080 College St
Beaumont, TX 77701-4606
Phone (409) 212-5000

31872 Coast Hwy
Laguna Beach, CA 92651-6773
Phone (949) 499-1311

363 S Main St
Suite 115
Orange, CA 92868-3813
Phone (866) 598-0076

845 W la Veta Ave
Suite 105
Orange, CA 92868-3930
Phone (714) 639-2600

Hospital & facility affiliations

  • Providence St. Joseph Hospital Hospital, Orange, CA, CCN 050069
  • Providence Mission Hospital Hospital, Mission Viejo, CA, CCN 050567
  • Huntington Hospital Hospital, Pasadena, CA, CCN 050438
  • St Francis Hospital & Medical Center Hospital, Hartford, CT, CCN 070002
  • Regional Medical Center Hospital, Manchester, IA, CCN 161343

Merit-based Incentive Payment System (MIPS)

Final score
84.56 of 100Reported as group
Quality
85.63
Improvement activities
40
Cost
74.88

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A93913CAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cibola General Hospital Corporation CurrentSince Jan 8, 2026 Accepting new patients
Radiant Imaging, Inc. Diagnostic Radiology CurrentSince Mar 1, 2026 Accepting new patients
Andrew N. Knoll, a Medical Corporation Diagnostic Radiology Current Accepting new patients
Moran Rowen and Dorsey Inc Diagnostic Radiology CurrentSince Jul 12, 2010 Accepting new patients
X-Ray Associates of New Mexico PC Diagnostic Radiology CurrentSince Dec 29, 2025 Accepting new patients
North Oc Imaging JV, LLC CurrentSince Dec 6, 2022 Accepting new patients
Orange County Heart Institute and Research Center a Medical Group CurrentSince Apr 1, 2023 Accepting new patients
Otero County Hospital Association CurrentSince Jan 1, 2026 Accepting new patients
Otero County Hospital Association CurrentSince Jan 1, 2026 Accepting new patients
Open Advantage MRI VI, Inc CurrentSince Jun 1, 2003 Accepting new patients
Tyson C. Cobb, M.D., Inc PastSince Oct 13, 2008 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients
Jeffrey M. Shapiro, MD, Inc PastSince Apr 1, 2023 Accepting new patients

Locations

947 S Anaheim Blvd
Ste 125
Anaheim, CA 92805
Phone (714) 241-7000

9900 Talbert Ave
Ste 102
Fountain Valley, CA 92708
Phone (714) 378-7000

13400 Jamboree Rd
Irvine, CA 92602
Phone (714) 263-9279

1140 W La Veta Ave
Ste 640
Orange, CA 92868
Phone (714) 543-6054

1100 W Stewart Dr
Orange, CA 92868
Phone (714) 532-8620

431 S Batavia St
Ste 103
Orange, CA 92868
Phone (714) 538-6731

845 W La Veta Ave
Ste 105
Orange, CA 92868
Phone (714) 289-6565

1031 W Chapman Ave
Ste 101
Orange, CA 92868
Phone (714) 771-8171

2501 E Chapman Ave
Orange, CA 92869
Phone (714) 628-3300

1140 W La Veta Ave
Ste 615
Orange, CA 92868
Phone (714) 543-8555

2212 E 4th St
Santa Ana, CA 92705
Phone (714) 288-3230

1095 Irvine Blvd
Tustin, CA 92780
Phone (714) 505-7110

2669 Scenic Dr
Alamogordo, NM 88310
Phone (505) 439-6100

Organizations & group practices 19

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.

View all 19

Hospital & facility affiliations 9

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": "1193961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1276473600000",
    "number": "1801075189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 14005",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928631405",
            "telephone_number": "714-571-5000",
            "fax_number": "714-571-5055"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "431 S BATAVIA ST",
            "address_2": "SUITE 103",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683936",
            "telephone_number": "714-538-6731",
            "fax_number": "714-571-5055"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOLL",
        "first_name": "ANDREW",
        "middle_name": "NATHAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-11-02",
        "last_updated": "2010-06-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A93913",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.