Tammy Joy Senn, CNM

Primary specialty

Advanced Practice MidwifeTaxonomy code 367A00000X

License

R134698 Issued in MD

Practice address

10710 Charter Dr Ste 200
Columbia, MD 21044-3259

Phone

(410) 997-0580

Fax

(410) 997-6019

NPI assigned

Sep 10, 2008

Last updated

Sep 10, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Tammy Joy Hurley Former name

Medicare fee-for-service enrollment

Enrolled in MD

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Midwife

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tsenn137894@direct.hopkinsmedicine.org

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.

• Johns Hopkins University

  dba Jhu - Anesthesia Pain MGMT

  • Pain Medicine (Anesthesiology) Physician
  • Baltimore, MD
  • NPI 1922008549
  Medicare reassignment NPD
• Tammy Senn, LLC

  dba Sennsua Intimate Wellness

  • Health Service Clinic/Center
  • Glenwood, MD
  • NPI 1962027052
  NPD Authorized official
• Johns Hopkins University

  dba Jhu - OB/GYN

  • Obstetrics & Gynecology Physician
  • Lutherville, MD
  • NPI 1255315339
  NPD
• Johns Hopkins University

  dba JHU - 4692 Millennium Drive - Physician

  • Ophthalmology Physician
  • Belcamp, MD
  • NPI 1376342774
  NPD
• DRS.Esposito,Mayer, Hogan & Assic

  • Obstetrics Physician
  • Columbia, MD
  • NPI 1982646550
  NPD (past)
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Williamsport Obstetrics & Gynecology, P.C.

  • Gynecology Physician
  • Williamsport, PA
  • NPI 1033140280
  NPD (past)

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

{
    "created_epoch": "1221004800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1225287642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9910 FRANKLIN SQUARE DR STE 2110",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212364902",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10710 CHARTER DR STE 200",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210443259",
            "telephone_number": "410-997-0580",
            "fax_number": "410-997-6019"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SENN",
        "first_name": "TAMMY",
        "middle_name": "JOY",
        "credential": "CNM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-09-10",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "PA",
            "license": "MW010178",
            "primary": false
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "DE",
            "license": "LK-0010277",
            "primary": false
        },
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "MD",
            "license": "R134698",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TAMMY",
            "last_name": "HURLEY",
            "middle_name": "JOY",
            "credential": "CNM",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Valerie Beth Seligson, OD
• Martha S. Selonick, M.D.
• Mara Senchak, DMD
• Senior Doc Maryland PC
• Seniors Counseling Seniors LLC
• Sunny Seo
• Sasan Sepehri
• Sequon Inc (Columbia Medical Pharmacy)
• Sequon, Inc. (Terrapin Pharmacy)
• Serene Touch Health Services Agency

• Advanced Practice Midwife in Columbia, MD
• Providers in Columbia, MD by specialty
• Advanced Practice Midwife in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.