Oscar Alberto Castrejon, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

V5247 Issued in TX

Practice address

4739 Radiant CT
Las Cruces, NM 88011-7191

Phone

(575) 640-5187

NPI assigned

Jul 10, 2008

Last updated

May 6, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NM, TX2 enrollments

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 2

Specialty

Family Practice

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southwest Emergency Medical Associates of NM PCGroup PAC ID 8426324294, 55 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Medical Center Hospital, Las Cruces, NM, CCN 320018
• Three Crosses Regional Hospital LLC Hospital, Las Cruces, NM, CCN 320091
• Los Alamos Medical Center Hospital, Los Alamos, NM, CCN 320033

Merit-based Incentive Payment System (MIPS)

Final score

98.44 of 100Reported as group

Quality

96.88

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Southwest Emergency Medical Associates of NM PC

  • Emergency Medicine Physician
  • Las Cruces, NM
  • NPI 1720505571
  Medicare reassignment Care Compare group NPD
• Los Alamos Emergency Medical Associates Inc

  • Emergency Medicine Physician
  • Los Alamos, NM
  • NPI 1679965883
  Medicare reassignment NPD
• Three Crosses Regional Hospital LLC

  • Multi-Specialty Clinic/Center
  • Las Cruces, NM
  • NPI 1487248050
  Medicare reassignment NPD
• Emergency Services of Texas PA

  • Emergency Medicine Physician
  • Orange, TX
  • NPI 1174932131
  Medicare reassignment NPD
• Nes Arizona Inc

  • Emergency Medicine Physician
  • Fort Mohave, AZ
  • NPI 1285163121

  NM

  Medicare reassignment NPD

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

• PHC-Las Cruces Inc

  dba Memorial Medical Center of Las Cruces

  • General Acute Care Hospital
  • Las Cruces, NM
  • NPI 1700821808
  Care Compare affiliation
• PHC-Los Alamos Inc

  dba Los Alamos Medical Center

  • Rural Acute Care Hospital
  • Los Alamos, NM
  • NPI 1285701623
  Care Compare affiliation
• Three Crosses Regional Hospital LLC

  • General Acute Care Hospital
  • Las Cruces, NM
  • NPI 1760020044
  Care Compare affiliation

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

{
    "created_epoch": "1215648000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746489600000",
    "number": "1508020355",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1205 S SOLANO DR",
            "city": "LAS CRUCES",
            "state": "NM",
            "postal_code": "880013709",
            "telephone_number": "575-640-5187"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4739 RADIANT CT",
            "city": "LAS CRUCES",
            "state": "NM",
            "postal_code": "880117191",
            "telephone_number": "575-640-5187"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTREJON",
        "first_name": "OSCAR",
        "middle_name": "ALBERTO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-10",
        "last_updated": "2025-05-06",
        "certification_date": "2025-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NM",
            "license": "RS2008-0577",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "V5247",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NM",
            "license": "RS2008-0577",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sofia Castillo
• Susanna V Castillo
• Thorn Castillo
• Sheena Castle
• Eduardo A. Castrejon, M.D. P.A.
• Perla Castrillo
• Vivianna Castro Rodriguez, B.S.
• Diana Del Pilar Castro Zambrana
• Cristian Castro
• Lilian Castro

• Emergency Medicine Physician in Las Cruces, NM
• Providers in Las Cruces, NM by specialty
• Emergency Medicine Physician in New Mexico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 2025; 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.