Nicolas Gallegos II, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

A124479 Issued in CA

Practice address

2374 E Pacifica PL
Rancho Dominguez, CA 90220-6214

Phone

(310) 225-3244

Fax

(310) 698-7040

NPI assigned

May 18, 2011

Last updated

Jan 15, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

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

Specialty

Pathology

Education

University of California, San Diego School of Medicine, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians

Affiliated Pathologists Medical Group, Inc.Group PAC ID 7315840535, 46 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northridge Hospital Medical Center Hospital, Northridge, CA, CCN 050116
• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603
• City of Hope Helford Clinical Research Hospital Hospital, Duarte, CA, CCN 050146

Merit-based Incentive Payment System (MIPS)

Final score

93.39 of 100Reported as group

Quality

88.62

Improvement activities

40

Cost

77.86

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

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

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.

• Affiliated Pathologists Medical Group, Inc.

  • Anatomic Pathology & Clinical Pathology Physician
  • Rancho Dominguez, CA
  • NPI 1730119553

  Cytopathology

  Medicare reassignment Care Compare group NPD
• City of Hope Medical Foundation

  dba City of Hope Duarte

  • Hematology & Oncology Physician
  • Duarte, CA
  • NPI 1871886366

  Anatomic Pathology & Clinical Pathology

  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  dba UC Irvine Pathology Services

  • Anatomic Pathology & Clinical Pathology Physician
  • Orange, CA
  • NPI 1174662555
  Medicare reassignment NPD
• Regents of the University of California

  dba UCI Department of Pathology

  • Anatomic Pathology & Clinical Pathology Physician
  • Orange, CA
  • NPI 1558311811
  Medicare reassignment NPD
• Regents of the University of California

  dba UCI Primary Care Medical Group

  • Family Medicine Physician
  • Orange, CA
  • NPI 1679521850
  NPD
• Soc Pathology Medical Group Inc.

  • Anatomic Pathology & Clinical Pathology Physician
  • Rancho Dominguez, CA
  • NPI 1598081424
  NPD
• City of Hope Medical Foundation

  dba City of Hope Newport Beach

  • Hematology & Oncology Physician
  • Newport Beach, CA
  • NPI 1558930859
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• City of Hope National Medical Center

  • General Acute Care Hospital
  • Duarte, CA
  • NPI 1750358297
  Care Compare affiliation
• Dignity Community Care

  dba Northridge Hospital Medical Center

  • General Acute Care Hospital
  • Northridge, CA
  • NPI 1417089350
  Care Compare affiliation
• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation

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

{
    "created_epoch": "1305676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1205129509",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2374 E PACIFICA PL",
            "city": "RANCHO DOMINGUEZ",
            "state": "CA",
            "postal_code": "902206214",
            "telephone_number": "310-225-3244",
            "fax_number": "310-698-7040"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2374 E PACIFICA PL",
            "city": "RANCHO DOMINGUEZ",
            "state": "CA",
            "postal_code": "902206214",
            "telephone_number": "310-225-3244",
            "fax_number": "310-698-7040"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2374 E Pacifica Pl",
            "address_purpose": "LOCATION",
            "city": "Rancho Dominguez",
            "state": "CA",
            "postal_code": "902206214",
            "country_code": "US",
            "telephone_number": "310-225-3244",
            "fax_number": "310-698-7040",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2374 E Pacifica Pl",
            "address_purpose": "LOCATION",
            "city": "Rancho Dominguez",
            "state": "CA",
            "postal_code": "902206214",
            "country_code": "US",
            "telephone_number": "310-225-3221",
            "fax_number": "310-698-7040",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 Fivepoint",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926182621",
            "country_code": "US",
            "telephone_number": "888-333-4673",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GALLEGOS",
        "first_name": "NICOLAS",
        "name_prefix": "Dr.",
        "name_suffix": "II",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-05-18",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZC0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Cytopathology",
            "state": "CA",
            "license": "A124479",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CA",
            "license": "A124479",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PATHOLOGY",
            "identifier": "CB307397",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1000 Fivepoint",
            "city": "Irvine",
            "state": "CA",
            "country_code": "US",
            "postal_code": "926182377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Stacy J Arnold, M.D.
• Nicole Gracella Arredondo, RDA
• Scott Binder, MD
• Alessandro De Vito, M.D.
• Essilor Laboratories of America, Inc (Elite Optical)
• Eric F. Glassy, M.D.
• Wamda Goreal, M.D.
• Rasam Hajiannasab, MD
• Nicholas Max Harding-Jackson, MD
• Home Medix, Inc

• Anatomic Pathology & Clinical Pathology Physician in Rancho Dominguez, CA
• Providers in Rancho Dominguez, CA by specialty
• Anatomic Pathology & Clinical Pathology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.