Individual provider Active NPI

Christopher Apostol Mascarinas, M.D.

  • Otolaryngology Physician
  • Walnut Creek, CA
National Provider Identifier
1952596744
Registry record updated Dec 15, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
A117137 Issued in CA
Practice address
1425 S Main St
Department of Head and Neck Surgery
Walnut Creek, CA 94596-5318
Phone
(925) 295-4100
NPI assigned
Sep 13, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X A117137 CA Primary

Addresses

Primary practice location

1425 S Main St
Department of Head and Neck Surgery
Walnut Creek, CA 94596-5318

Mailing address

1425 S Main St
Department of Head and Neck Surgery
Walnut Creek, CA 94596-5318
Phone (925) 295-4100

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE) The Permanente Medical Group

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
I20121018000601 CA Practitioner - Otolaryngology 4880844315 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
State University of New York Downstate Medical Center, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

901 Nevin Ave
Richmond, CA 94801-3143
Phone (510) 307-1500

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
117137CAMDClinical Social Worker
A117137CAMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc Otolaryngology CurrentSince Sep 4, 2012 Accepting new patients
Permanente Medical Group, Inc CurrentSince Sep 4, 2012 Accepting new patients
Permanente Medical Group Inc Otolaryngology Current Accepting new patients

Locations

4501 Sand Creek Rd
Antioch, CA 94531
Phone (925) 813-6420

1800 Harrison St
Fl 7
Oakland, CA 94612

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

1425 S Main St
Walnut Creek, CA 94596
Phone (925) 295-4130

Organizations & group practices 3

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": "1189641600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1639526400000",
    "number": "1952596744",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1425 S MAIN ST",
            "address_2": "DEPARTMENT OF HEAD AND NECK SURGERY",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945965318",
            "telephone_number": "925-295-4100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1425 S MAIN ST",
            "address_2": "DEPARTMENT OF HEAD AND NECK SURGERY",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945965318",
            "telephone_number": "925-295-4100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASCARINAS",
        "first_name": "CHRISTOPHER",
        "middle_name": "APOSTOL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-09-13",
        "last_updated": "2021-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CA",
            "license": "A117137",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "4501 Sand Creek Rd",
            "city": "Antioch",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945318687",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.