Individual provider Active NPI

Isaac Paz, MD

  • Surgical Oncology Physician
  • Duarte, CA
National Provider Identifier
1417050063
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Oncology PhysicianTaxonomy code 2086X0206X
License
A48296 Issued in CA
Practice address
1500 E Duarte Rd
Duarte, CA 91010
Phone
(626) 359-8111
NPI assigned
Sep 7, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Oncology Physician 2086X0206X A48296 CA Primary
Surgery Physician 208600000X A48296 CA

Addresses

Primary practice location

1500 E Duarte Rd
Duarte, CA 91010

Mailing address

PO Box 512185
Los Angeles, CA 90051-0185

Other practice location 1

1000 Fivepoint
Irvine, CA 92618-2377
Phone (888) 333-4673

Other identifiers 1

IdentifierTypeStateIssuer
A48296MedicaidCA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address direct@cityofhope.direct-ci.com 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
I20050110000778 CA Practitioner - General Surgery 4587560941 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Other, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians

Practice addresses (Care Compare)

209 Fair Oaks Ave
South Pasadena, CA 91030-1814
Phone (626) 396-2900

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
92.8 of 100Reported as group
Quality
78.51
Promoting interoperability
100
Improvement activities
40
Cost
70.37

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair (minimally invasive)1-10
Mastectomy20
Melanoma (skin cancer) excision37
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A48296CAMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
City of Hope Medical Foundation Surgery CurrentSince Jun 1, 2011 Accepting new patients
City of Hope Medical Group, Inc. Surgery CurrentSince Jun 1, 2011 Accepting new patients
Lancaster Hospital Corporation Past Accepting new patients
CHHP Holdings II, LLC Past Accepting new patients
Providence Health System - Southern California Past Accepting new patients
Emanate Health Foothill Presbyterian Hospital Past Accepting new patients
Pasadena Hospital Association, LTD. Past Accepting new patients
Usc Arcadia Hospital Past Accepting new patients
San Antonio Regional Hospital Past Accepting new patients
California Cancer Specialists Medical Group Inc Surgery Past Accepting new patients
Emanate Health Medical Center Past Accepting new patients

Locations

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

1500 Duarte Rd
Bldg 149
Duarte, CA 91010
Phone (626) 359-8111

44151 15th St W
Lancaster, CA 93534
Phone (661) 743-0001

1333 S Mayflower Ave
Fl 2
Monrovia, CA 91016
Phone (626) 775-3514

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

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

23861 McBean Pkwy
Ste B14
Valencia, CA 91355
Phone (661) 799-1999

Interoperability endpoints

  • Direct secure messaging: ipaz10334@cityofhope.direct-ci.com
  • Direct secure messaging: direct@cityofhope.direct-ci.com

Organizations & group practices 11

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 3

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": "1157587200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1417050063",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 512185",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900510185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E DUARTE RD",
            "city": "DUARTE",
            "state": "CA",
            "postal_code": "91010",
            "telephone_number": "626-359-8111"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Fivepoint",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926182377",
            "country_code": "US",
            "telephone_number": "888-333-4673",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PAZ",
        "first_name": "ISAAC",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-07",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "CA",
            "license": "A48296",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A48296",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "A48296",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "address_1": "1500 E Duarte Rd",
            "city": "Duarte",
            "state": "CA",
            "country_code": "US",
            "postal_code": "91010",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Duarte, CA

Sources for this page

Verify at the official NPI Registry.