Master Your Emotions LLC

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

Legal business name

MASTER YOUR EMOTIONS LLC

Doing business as

Master Your Emotions LLC

Practice address

5125 N Sydenham St
Philadelphia, PA 19141-1615

Phone

(267) 265-1278

NPI assigned

Jul 20, 2022

Organization subpart

No

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

Authorized official

Name

Ms. Ivy J Felder, MA, LPCNPI 1881343028

Title

Owner/ Therapist

Phone

(267) 265-1278

Specialties & licenses 1

Addresses

Other names 1

• Master Your Emotions LLC Doing business as

Medicare fee-for-service enrollment

Enrolled in PA

Enrollment records 1

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Ivy J Felder, LPC

  • Professional Counselor
  • Boyertown, PA
  • NPI 1881343028

  Mental Health

  Medicare reassignment Care Compare group NPD Authorized official
• Evelyne Boyani Nyangara, CRNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Easton, PA
  • NPI 1427302520
  Medicare reassignment Care Compare group NPD
• Rayna Ivory Gray

  • Clinical Social Worker
  • Philadelphia, PA
  • NPI 1891675120
  NPD
• Theresa Empson, LSW

  • Social Worker
  • Philadelphia, PA
  • NPI 1518884865
  NPD (past)

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

{
    "created_epoch": "1658275200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768780800000",
    "number": "1861127102",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5125 N SYDENHAM ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191411615",
            "telephone_number": "267-265-1278"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5125 N SYDENHAM ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191411615",
            "telephone_number": "267-265-1278"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "94 Glendale Rd",
            "address_purpose": "LOCATION",
            "city": "Boyertown",
            "state": "PA",
            "postal_code": "195127696",
            "country_code": "US",
            "telephone_number": "267-265-1278",
            "fax_number": "267-389-2785",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MASTER YOUR EMOTIONS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-07-20",
        "last_updated": "2026-01-19",
        "certification_date": "2026-01-19",
        "status": "A",
        "authorized_official_last_name": "FELDER",
        "authorized_official_first_name": "IVY",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "OWNER/ THERAPIST",
        "authorized_official_telephone_number": "267-265-1278",
        "authorized_official_name_prefix": "Ms.",
        "authorized_official_credential": "MA, LPC"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Master Your Emotions LLC",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Master Your Emotions LLC",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Darren Mast, DO
• Elaine Marie Mast
• Kristie Lynne Mast, M.D.
• Marjorie Masten
• Master Care Rehabilitation, PC
• Christina L Master, MD
• Stephen R Master, MD
• Masters Rehabilitation Center
• Michelle Masters, PHARMD
• Philip A Masters, MD

• Professional Counselor in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Professional Counselor in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.