Individual provider Active NPI

Sam Abaza, M.D.

  • Dermatology Physician
  • Diamond Bar, CA
National Provider Identifier
1831148501
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
A86393 Issued in CA
Practice address
1111 Grand Ave Ste K
Diamond Bar, CA 91765-4172
Phone
(098) 604-2549
NPI assigned
May 9, 2006
Last updated
Nov 17, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X A86393 CA Primary
MOHS-Micrographic Surgery Physician 207ND0101X A86393 CA

Addresses

Primary practice location

1111 Grand Ave Ste K
Diamond Bar, CA 91765-4172

Mailing address

1111 Grand Ave Ste K
Diamond Bar, CA 91765-4172
Phone (098) 604-2549

Other practice location 1

631 W Avenue Q Ste B
Palmdale, CA 93551-3892
Phone (661) 947-9000

Other practice location 2

175 S Harbor Blvd
Anaheim, CA 92805-3710
Phone (909) 860-4254

Other names 1

  • Moutasem Abaza Former 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
I20051223000167 CA Practitioner - Dermatology 9436122488 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Other, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
La Laser Center PC a Professional Medical CorporationGroup PAC ID 9537181185, 81 clinicians

Practice addresses (Care Compare)

1111 Grand Ave
Suite K
Diamond Bar, CA 91765-4172
Phone (909) 860-4254

5600 California Ave
Bakersfield, CA 93309-1614
Phone (661) 322-2700

Merit-based Incentive Payment System (MIPS)

Final score
91.69 of 100Reported as group
Quality
91.59
Promoting interoperability
94
Improvement activities
40
Cost
76.9

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision47
Removal of skin lesions153
Removal of skin cancer761
Removal of nail tissue1-10
Removal or shaving of skin growth46
Skin biopsy102

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A86393CAMDMOHS-Micrographic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dermesurge Inc Current Accepting new patients
Dermesurge Inc Dermatology CurrentSince Mar 17, 2021 Accepting new patients
Family Primary and Specialty Care Clinic CurrentSince Aug 5, 2025 Accepting new patients
La Laser Center PC, a Professional Medical Corporation PastSince Sep 1, 2024 Accepting new patients
Bakersfield Memorial Hospital Past Accepting new patients
La Laser Center PC, a Professional Medical Corporation PastSince Mar 1, 2020 Accepting new patients
La Laser Center PC, a Professional Medical Corporation PastSince Feb 1, 2020 Accepting new patients
Antelope Valley Surgery Center, PC PastSince Aug 9, 2020 Accepting new patients
Fresno Specialty Surgery Center PC Past Accepting new patients
Hanford Specialty Surgery Center, PC Past Accepting new patients

Locations

175 S Harbor Blvd
Anaheim, CA 92805
Phone (909) 860-4254

1111 Grand Ave
Ste K
Diamond Bar, CA 91765
Phone (909) 860-4254

631 W Avenue Q
Ste B
Palmdale, CA 93551
Phone (661) 425-0295

1210 Nevada St
Redlands, CA 92374
Phone (909) 809-5250

1210 Nevada St
Ste 100
Redlands, CA 92374

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1147132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1831148501",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 GRAND AVE STE K",
            "city": "DIAMOND BAR",
            "state": "CA",
            "postal_code": "917654172",
            "telephone_number": "098-604-2549"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 GRAND AVE STE K",
            "city": "DIAMOND BAR",
            "state": "CA",
            "postal_code": "917654172",
            "telephone_number": "098-604-2549"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "631 W Avenue Q Ste B",
            "address_purpose": "LOCATION",
            "city": "Palmdale",
            "state": "CA",
            "postal_code": "935513892",
            "country_code": "US",
            "telephone_number": "661-947-9000",
            "fax_number": "661-266-8751",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "175 S Harbor Blvd",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928053710",
            "country_code": "US",
            "telephone_number": "909-860-4254",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ABAZA",
        "first_name": "SAM",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-09",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "A86393",
            "primary": true
        },
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "CA",
            "license": "A86393",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MOUTASEM",
            "last_name": "ABAZA",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Diamond Bar, CA

Sources for this page

Verify at the official NPI Registry.