Theresa Elizabeth Tassey, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

D0081082 Issued in MD

Practice address

301 Saint Paul St
Baltimore, MD 21202

Phone

(410) 332-9477

NPI assigned

Jun 12, 2013

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in MD, NE, VA, OK, NC, DE, IN7 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 7

Specialty

Emergency Medicine

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Midwest Emergency Grand Island IncGroup PAC ID 1153677828, 21 clinicians

Ies Oklahoma LLCGroup PAC ID 2769824937, 16 clinicians

Bayhealth Emergency Physicians LLCGroup PAC ID 7719240696, 80 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Francis Hospital South, LLC Hospital, Tulsa, OK, CCN 370218
• Saint Francis Hospital Muskogee Hospital, Muskogee, OK, CCN 370025
• Saint Francis Hospital, Inc Hospital, Tulsa, OK, CCN 370091
• CHI Health St. Francis Hospital, Grand Island, NE, CCN 280023
• Memorial Health Hospital, Lawton, OK, CCN 370056

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 and National Provider Directory roles.

• Ies Oklahoma LLC

  • Emergency Medicine Physician
  • Lawton, OK
  • NPI 1437916525
  Medicare reassignment Care Compare group NPD
• Midwest Emergency Grand Island Inc

  • Emergency Medicine Physician
  • Grand Island, NE
  • NPI 1508357930
  Medicare reassignment Care Compare group NPD
• Bayhealth Emergency Physicians LLC

  • Emergency Medicine Physician
  • Dover, DE
  • NPI 1073012696
  Medicare reassignment Care Compare group
• Christiana Care Emergency Physicians LLC

  • Emergency Medicine Physician
  • Elkton, MD
  • NPI 1871375899
  Medicare reassignment NPD
• University of Maryland Emergency Medicine Associates, PA

  • Emergency Medicine Physician
  • Baltimore, MD
  • NPI 1144271743
  Medicare reassignment NPD
• Christiana Care Emergency Physicians LLC

  • Emergency Medicine Physician
  • Newark, DE
  • NPI 1639956451
  Medicare reassignment NPD
• Emergency Coverage, LLC

  • Family Medicine Physician
  • Newport, TN
  • NPI 1427005008

  Emergency Medicine, NC, VA

  Medicare reassignment NPD
• Emergency Professionals of Indiana, P.C.

  • Emergency Medicine Physician
  • Fort Wayne, IN
  • NPI 1013951219
  Medicare reassignment NPD
• Ies ER Oklahoma LLC

  • Emergency Medicine Physician
  • Tulsa, OK
  • NPI 1447148093
  Medicare reassignment NPD
• Lake Spring Emergency Group, LLC

  • Emergency Medicine Physician
  • Salem, VA
  • NPI 1215429600
  Medicare reassignment NPD
• WHC Physician Group LLC

  • General Practice Physician
  • Washington, DC
  • NPI 1700154226

  MD

  Medicare reassignment NPD
• Bayhealth Medical Center, Inc.

  • Emergency Medicine Physician
  • Dover, DE
  • NPI 1679072144
  Medicare reassignment

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

• Comanche County Hospital Authority

  • Land Ambulance
  • Walters, OK
  • NPI 1285181610

  Hospital

  Care Compare affiliation
• Comanche County Hospital Authority

  • General Acute Care Hospital
  • Lawton, OK
  • NPI 1720022379
  Care Compare affiliation
• Comanche County Hospital Authority

  • Land Ambulance
  • Lawton, OK
  • NPI 1770525883

  Hospital

  Care Compare affiliation
• Saint Francis Hospital Muskogee Inc

  • General Acute Care Hospital
  • Muskogee, OK
  • NPI 1386188837
  Care Compare affiliation
• Saint Francis Hospital South LLC

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1376561944
  Care Compare affiliation
• Saint Francis Hospital, Inc.

  • Rehabilitation Hospital Unit
  • Tulsa, OK
  • NPI 1003039488
  Care Compare affiliation
• Saint Francis Hospital, Inc.

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1144228487
  Care Compare affiliation
• Saint Francis Medical Center

  • General Acute Care Hospital
  • Grand Island, NE
  • NPI 1982675955
  Care Compare affiliation

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

{
    "created_epoch": "1370995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1629416672",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 S PACA ST FL 6",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011645",
            "telephone_number": "667-214-2054",
            "fax_number": "410-244-6080"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 SAINT PAUL ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21202",
            "telephone_number": "410-332-9477"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "85 E US Highway 6",
            "address_purpose": "LOCATION",
            "city": "Valparaiso",
            "state": "IN",
            "postal_code": "463838947",
            "country_code": "US",
            "telephone_number": "219-983-8300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2100 Stantonsburg Rd",
            "address_purpose": "LOCATION",
            "city": "Greenville",
            "state": "NC",
            "postal_code": "278342818",
            "country_code": "US",
            "telephone_number": "252-744-4184",
            "fax_number": "252-744-4125",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TASSEY",
        "first_name": "THERESA",
        "middle_name": "ELIZABETH",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-06-12",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "335409",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IN",
            "license": "01093982A",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D0081082",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nathalee Arvita Tarver, ADT
• Sotirios Tasigiorgos, MD
• Evan Thomas Tasios, PA-C, MPH
• David J Tasker, M.D.
• Demesha Tasker
• Veronica Tassie
• Stefano Tassinari
• Asha Lakshmi Tata, PHARMD
• Aaron Tate-Moore, RN
• Emmeline Tate, NNP

• Emergency Medicine Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Emergency Medicine Physician in Maryland

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