Individual provider Active NPI

Theo James Leriotis, D.O.

  • Emergency Medicine Physician
  • Wynnewood, PA
National Provider Identifier
1982043378
Registry record updated Jun 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
25MB10112300 Issued in NJ
Practice address
100 E Lancaster Ave
Wynnewood, PA 19096-3450
Phone
(484) 476-2000
NPI assigned
Jun 18, 2013
Last updated
Jun 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 25MB10112300 NJ Primary
Emergency Medicine Physician 207P00000X OS018913 PA

Addresses

Primary practice location

100 E Lancaster Ave
Wynnewood, PA 19096-3450

Mailing address

100 E Lancaster Ave
Wynnewood, PA 19096-3450

Other practice location 1

5501 Old York Rd
Albert Einstein Medical Center
Philadelphia, PA 19141-3018
Phone (215) 456-3834

Other practice location 2

100 E Lancaster Ave
Wynnewood, PA 19096-3450
Phone (484) 476-2000

Other practice location 3

1925 Pacific Ave
Atlantic City, NJ 08401-6713
Phone (609) 441-8127

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20180606001279 PA Practitioner - Emergency Medicine 4082985569 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Philadelphia College of Osteopathic Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Main Line Emergency Med Associates LLCGroup PAC ID 9234034729, 51 clinicians

Practice addresses (Care Compare)

100 E Lancaster Ave
Wynewood, PA 19096-3450
Phone (484) 337-3583

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Main Line Emergency Med Associates LLC Emergency Medicine CurrentSince Jul 1, 2018 Accepting new patients

Locations

56 W Main St
Ste 305
Christiana, DE 19702

100 E Lancaster Ave
Wynnewood, PA 19096
Phone (484) 337-3583

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1371513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1982043378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 E LANCASTER AVE",
            "city": "WYNNEWOOD",
            "state": "PA",
            "postal_code": "190963450"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 E LANCASTER AVE",
            "city": "WYNNEWOOD",
            "state": "PA",
            "postal_code": "190963450",
            "telephone_number": "484-476-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5501 Old York Rd",
            "address_2": "Albert Einstein Medical Center",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191413018",
            "country_code": "US",
            "telephone_number": "215-456-3834",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 E Lancaster Ave",
            "address_purpose": "LOCATION",
            "city": "Wynnewood",
            "state": "PA",
            "postal_code": "190963450",
            "country_code": "US",
            "telephone_number": "484-476-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1925 Pacific Ave",
            "address_purpose": "LOCATION",
            "city": "Atlantic City",
            "state": "NJ",
            "postal_code": "084016713",
            "country_code": "US",
            "telephone_number": "609-441-8127",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LERIOTIS",
        "first_name": "THEO",
        "middle_name": "JAMES",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-18",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NJ",
            "license": "25MB10112300",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "OS018913",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wynnewood, PA

Sources for this page

Verify at the official NPI Registry.