Individual provider Active NPI

John Reinier Favor Narvaez, MD, MPH

  • Surgery Physician
  • Torrance, CA
National Provider Identifier
1396131850
Registry record updated Oct 27, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
A177676 Issued in CA
Practice address
1000 W Carson St
Torrance, CA 90502-2004
Phone
(424) 306-4000
NPI assigned
Apr 11, 2015
Last updated
Oct 27, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 27, 2023

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Surgery Physician 208600000X M-2371 GU
Surgery Physician 208600000X 291376 NY
Surgery Physician 208600000X A177676 CA Primary
Surgical Critical Care Physician 2086S0102X M-2371 GU

Addresses

Primary practice location

1000 W Carson St
Torrance, CA 90502-2004

Mailing address

20732 Seine Ave Apt L
Lakewood, CA 90715-2803
Phone (562) 261-3551

Electronic endpoints 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GU
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
I20230714001291 GU Practitioner - General SurgeryPractitioner - Critical Care (Intensivists) 7012377658 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General SurgeryAlso: Critical Care (Intensivists)
Education
University of California, San Francisco School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

133 Route 3
Dededo, GU 96929-6911
Phone (671) 645-5500

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.22 of 100Reported as group
Quality
78.84
Improvement activities
40
Cost
61.61

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair - groin (open)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux12
Leg revascularization (restoring blood flow)1-10
Removal of tissue17

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A177676CAMDSurgery Physician
291376NYMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Guam Healthcare Development Incorporated CurrentSince Aug 14, 2023 Accepting new patients
Guam Memorial Hospital CurrentSince Nov 20, 2025 Accepting new patients
Guam Memorial Hospital CurrentSince Nov 20, 2025 Accepting new patients
Guam Healthcare Development Incorporated Past Accepting new patients

Locations

133 Route 3
Dededo, GU 96929
Phone (671) 645-5500

850 Gov Carlos G Camacho Rd
Tamuning, GU 96913
Phone (671) 647-2555

850 Gov Carlos G Camacho Rd
#R
Tamuning, GU 96913
Phone (671) 647-2552

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1428710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1698364800000",
    "number": "1396131850",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20732 SEINE AVE APT L",
            "city": "LAKEWOOD",
            "state": "CA",
            "postal_code": "907152803",
            "telephone_number": "562-261-3551"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 W CARSON ST",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905022004",
            "telephone_number": "424-306-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NARVAEZ",
        "first_name": "JOHN REINIER",
        "middle_name": "FAVOR",
        "name_prefix": "Dr.",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-11",
        "last_updated": "2023-10-27",
        "certification_date": "2023-05-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "GU",
            "license": "M-2371",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NY",
            "license": "291376",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A177676",
            "primary": true
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "GU",
            "license": "M-2371",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "25825 Vermont Ave",
            "city": "Harbor City",
            "state": "CA",
            "country_code": "US",
            "postal_code": "907103518",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Torrance, CA

Sources for this page

Verify at the official NPI Registry.