Steven K Costalas, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

OS008477L Issued in PA

Practice address

100 West Lancaster Avenue
Wynnewood, PA 19096

Phone

(610) 645-2420

NPI assigned

Feb 3, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in PA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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.

• Main Line Emergency Med Associates LLC

  • Emergency Medicine Physician
  • Paoli, PA
  • NPI 1316919368
  Medicare reassignment

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

{
    "created_epoch": "1138924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1275505224",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3012",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198040012",
            "telephone_number": "800-456-4629",
            "fax_number": "302-224-2848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 WEST LANCASTER AVENUE",
            "city": "WYNNEWOOD",
            "state": "PA",
            "postal_code": "19096",
            "telephone_number": "610-645-2420"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COSTALAS",
        "first_name": "STEVEN",
        "middle_name": "K",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "OS008477L",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0016586430004",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Deena Coorie, DPT
• Kamala Corbitt
• Donald J Corey, MD
• Jane M Corey, CRNP
• Victoria A Cosgrove, PA-C
• Scott J. Cox, PA-C
• Erin Crabtree, CRNA
• Anna Crooks, LMFT
• Joseph Crooks, MD
• Jeta Cuka

• Emergency Medicine Physician in Wynnewood, PA
• Providers in Wynnewood, PA by specialty
• Emergency Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.