Alexander Blau, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

C2-0024675 Issued in DE

Practice address

4755 Ogletown Stanton Rd
Newark, DE 19718-2200

Phone

(302) 733-1000

NPI assigned

Feb 22, 2017

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in DE, MD2 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

Emergency Medicine

Education

Philadelphia College of Osteopathic Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Christiana Care Emergency Physicians LLCGroup PAC ID 8022468057, shared by 2 NPIs, 70 clinicians

Christiana Care Health Services IncGroup PAC ID 9739097569, 1,480 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Christiana Care Health System Dialysis facility, Newark, DE, CCN 082300
• Christiana Hospital Hospital, Newark, DE, CCN 080001
• Union Hospital of Cecil County Hospital, Elkton, MD, CCN 210032

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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 and National Provider Directory roles.

• Christiana Care Health Services, Inc

  • Endocrinology, Diabetes & Metabolism Physician
  • Wilmington, DE
  • NPI 1770568107
  Medicare reassignment Care Compare group NPD
• Christiana Care Emergency Physicians LLC

  • Emergency Medicine Physician
  • Newark, DE
  • NPI 1639956451
  Medicare reassignment NPD
• Christiana Care Emergency Physicians LLC

  • Emergency Medicine Physician
  • Elkton, MD
  • NPI 1871375899
  Medicare reassignment NPD
• Christiana Care Health Services Inc

  • Diagnostic Radiology Physician
  • Newark, DE
  • NPI 1952335556

  Emergency Medicine

  NPD
• Christiana Care Health Services Inc

  • Neurology Physician
  • Chadds Ford, PA
  • NPI 1881228484
  NPD

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

• Christiana Care Health Services, Inc.

  • General Acute Care Hospital
  • Wilmington, DE
  • NPI 1134194038
  Care Compare affiliation
• Union Hospital of Cecil County

  • General Acute Care Hospital
  • Elkton, MD
  • NPI 1376523357
  Care Compare affiliation

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

{
    "created_epoch": "1487721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1154860237",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON RD",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200",
            "telephone_number": "302-733-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON RD",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200",
            "telephone_number": "302-733-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "621 Middletown Odessa Rd",
            "address_purpose": "LOCATION",
            "city": "Middletown",
            "state": "DE",
            "postal_code": "197099602",
            "country_code": "US",
            "telephone_number": "302-203-1300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "501 W 14th St",
            "address_purpose": "LOCATION",
            "city": "Wilmington",
            "state": "DE",
            "postal_code": "198011013",
            "country_code": "US",
            "telephone_number": "302-320-4182",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "106 Bow St",
            "address_purpose": "LOCATION",
            "city": "Elkton",
            "state": "MD",
            "postal_code": "219215544",
            "country_code": "US",
            "telephone_number": "410-398-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BLAU",
        "first_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-02-22",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "DE",
            "license": "C2-0024675",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "H0102940",
            "primary": false
        },
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "MD",
            "license": "H0102940",
            "primary": false
        },
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "PA",
            "license": "OS026130",
            "primary": false
        },
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "DE",
            "license": "C2-0024675",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patricia L Blair, MSN, ACNS-NP
• Elizabeth Pearl Blanford, DPT
• Bethany Blank, PA-C
• Emily Nicole Blaszkow
• Philip Mark Blatt, MD
• Janet W Blaylock, MOT, CHT
• Spencer Bleazard
• Ian A Blizzard, PA-C
• Maxwell Blodgett, MD
• Rachel Bloom, RN

• Emergency Medicine Physician in Newark, DE
• Providers in Newark, DE by specialty
• Emergency Medicine Physician in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.