Individual provider Active NPI

Maximo Christian Diamond, M.D.

  • Internal Medicine Physician
  • Orange, CA
National Provider Identifier
1063519932
Registry record updated Mar 27, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G74989 Issued in CA
Practice address
600 City Parkway West
Suite 400
Orange, CA 92868-2900
Phone
(714) 221-5182
Fax
(714) 244-4533
NPI assigned
Sep 20, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 27, 2015

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G74989 CA Primary

Addresses

Primary practice location

600 City Parkway West
Suite 400
Orange, CA 92868-2900

Mailing address

PO Box 4140
Monarch Beach, CA 92629
Phone (714) 221-5182

Other names 1

  • Dr. Max Diamond Professional name

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
I20120612000371 CA Practitioner - Internal MedicinePractitioner - Hospice/Palliative CarePractitioner - Hospitalist 4082878699 Reassigns benefits to 3 organizations
Practice locations: Los Angeles, CA

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospice/Palliative Care, Hospitalist
Education
University of California, Irvine, California College of Medicine, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Supportive Wound Care IncGroup PAC ID 7315480001, 2 clinicians

Practice addresses (Care Compare)

1202 Monte Vista Ave
Suite 6
Upland, CA 91786-8209
Phone (888) 982-0847

Hospital & facility affiliations

  • Haven Healthcare Home health agency, Signal Hill, CA, CCN 058121
  • Haven Health Hospice, Signal Hill, CA, CCN 551721
  • Haven Health North Hospice, Signal Hill, CA, CCN 751542
  • Supportive Hospice Care Inc Hospice, Upland, CA, CCN 551755

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue346

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G74989CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ab Safe Haven Palliative & Hospice Care, Inc. CurrentSince Oct 1, 2024 Accepting new patients
Diamond Life Diamond Surgical Internal Medicine CurrentSince Jul 12, 2025 Accepting new patients
Supportive Wound Care, Inc CurrentSince Nov 25, 2024 Accepting new patients
Wound Wellness Center CurrentSince Jul 1, 2025 Accepting new patients
Hye Quality Home Health, Inc. Past Accepting new patients

Locations

1561 Westwood Blvd
Los Angeles, CA 90024
Phone (323) 736-0096

2855 Temple Ave
Ste B
Signal Hill, CA 90755
Phone (562) 426-7500

1202 Monte Vista Ave
Ste 6
Upland, CA 91786
Phone (310) 435-7575

2345 W Foothill Blvd
Ste 4
Upland, CA 91786
Phone (310) 435-7575

Ownership & related parties

All facility ownership & control disclosures 3

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Haven Healthcare, Inc.Signal Hill, CA, CCN 058121 Home health agency Corporate Director (100%) Dec 1, 2024
Haven HealthSignal Hill, CA, CCN 551721 Hospice Corporate Director May 1, 2023
Haven Health NorthSignal Hill, CA, CCN 751542 Hospice Corporate Director (100%) Feb 1, 2024

Owned or controlled facilities with NPI records 3

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

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.

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": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1427414400000",
    "number": "1063519932",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4140",
            "city": "MONARCH BEACH",
            "state": "CA",
            "postal_code": "92629",
            "telephone_number": "714-221-5182",
            "fax_number": "714-244-4533"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 CITY PARKWAY WEST",
            "address_2": "SUITE 400",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928682900",
            "telephone_number": "714-221-5182",
            "fax_number": "714-244-4533"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAMOND",
        "first_name": "MAXIMO",
        "middle_name": "CHRISTIAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-09-20",
        "last_updated": "2015-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G74989",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MAX",
            "last_name": "DIAMOND",
            "prefix": "DR.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.