Kristie Lynne Mast, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD067538L Issued in PA

Practice address

4417 N 6TH St
Philadelphia, PA 19140-2319

Phone

(215) 302-3600

Fax

(215) 329-2369

NPI assigned

May 11, 2006

Sex

Female

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

Specialty

Family Practice

Education

Medical College of Pennsylvania, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Esperanza Health Center, Inc.Group PAC ID 6103815071, 32 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Esperanza Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Philadelphia, PA
  • NPI 1255726659
  Medicare reassignment Care Compare group NPD
• Esperanza Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Philadelphia, PA
  • NPI 1306933346
  NPD (past)

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

{
    "created_epoch": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745280000000",
    "number": "1922058759",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4417 N 6TH ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191402319",
            "telephone_number": "215-302-3600",
            "fax_number": "215-329-2369"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4417 N 6TH ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191402319",
            "telephone_number": "215-302-3600",
            "fax_number": "215-329-2369"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2940 N 5th St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191332801",
            "country_code": "US",
            "telephone_number": "215-302-3600",
            "fax_number": "215-329-2369",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "861 E Allegheny Ave",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191342401",
            "country_code": "US",
            "telephone_number": "215-302-3600",
            "fax_number": "215-329-2369",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAST",
        "first_name": "KRISTIE",
        "middle_name": "LYNNE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-11",
        "last_updated": "2025-04-22",
        "certification_date": "2025-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PA",
            "license": "MD067538L",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01784620",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kelly Massop-McAllister, RN, IBCLC
• Mast Community Charter School II
• Mast Community Charter School III
• Darren Mast, DO
• Elaine Marie Mast
• Marjorie Masten
• Master Care Rehabilitation, PC
• Master Your Emotions LLC
• Christina L Master, MD
• Stephen R Master, MD

• Family Medicine Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Family Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 2025; 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.