Individual provider Active NPI

Marianna Shakhnovits, M.D.

  • Adult Medicine Physician
  • Pasadena, CA
National Provider Identifier
1568627222
Registry record updated Jan 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Medicine PhysicianTaxonomy code 207QA0505X
License
A113415 Issued in CA
Practice address
100 W California Blvd
Pasadena, CA 91105-3010
Phone
(626) 795-2244
NPI assigned
Jul 22, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Medicine Physician 207QA0505X A113415 CA Primary

Addresses

Primary practice location

100 W California Blvd
Pasadena, CA 91105-3010

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203

Other practice location 1

101 W Beverly Blvd
Ste 303
Montebello, CA 90640-4316
Phone (323) 837-5147

Other practice location 2

1500 Duarte Rd
Duarte, CA 91010-3012
Phone (626) 256-4673

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address direct@cityofhope.direct-ci.com Direct CITY OF HOPE MEDICAL FOUNDATION

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
I20110803000620 CA Practitioner - Family PracticePractitioner - Internal Medicine 4486616349 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2601 Via Campo
Montebello, CA 90640-1807
Phone (323) 720-1144

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
113415CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
City of Hope Medical Foundation CurrentSince May 18, 2014 Accepting new patients
Healthcare Partners Affiliates Medical Group Adult Medicine CurrentSince May 18, 2014 Accepting new patients
Healthcare Partners Affiliates Medical Group CurrentSince May 18, 2014 Accepting new patients
Memorial Medical Group Inc Past Accepting new patients
St Vincent Hospice Services, Inc Adult Medicine PastSince Jun 30, 2014 Accepting new patients

Locations

1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000

440 E Huntington Dr
Arcadia, CA 91006
Phone (626) 254-2293

5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864

2910 Jefferson St
Ste 100
Carlsbad, CA 92008
Phone (760) 729-8600

824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706

1500 Duarte Rd
Duarte, CA 91010
Phone (626) 359-8111

2601 Via Campo
Montebello, CA 90640
Phone (323) 720-1144

100 W California Blvd
Pasadena, CA 91105
Phone (626) 397-3445

6939 Palm Ct
Riverside, CA 92506
Phone (760) 416-4832

1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611

209 Fair Oaks Ave
South Pasadena, CA 91030
Phone (626) 359-8111

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: mshakhnovits10841@cityofhope.direct-ci.com
  • Direct secure messaging: direct@cityofhope.direct-ci.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.

NPI Registry JSON

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

{
    "created_epoch": "1216684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767916800000",
    "number": "1568627222",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 W CALIFORNIA BLVD",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053010",
            "telephone_number": "626-795-2244"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 W Beverly Blvd",
            "address_2": "STE 303",
            "address_purpose": "LOCATION",
            "city": "Montebello",
            "state": "CA",
            "postal_code": "906404316",
            "country_code": "US",
            "telephone_number": "323-837-5147",
            "fax_number": "323-725-5063",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1500 Duarte Rd",
            "address_purpose": "LOCATION",
            "city": "Duarte",
            "state": "CA",
            "postal_code": "910103012",
            "country_code": "US",
            "telephone_number": "626-256-4673",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHAKHNOVITS",
        "first_name": "MARIANNA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-07-22",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0505X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Adult Medicine",
            "state": "CA",
            "license": "A113415",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1500 Duarte Rd",
            "city": "Duarte",
            "state": "CA",
            "country_code": "US",
            "postal_code": "910103012",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Pasadena, CA

Sources for this page

Verify at the official NPI Registry.