Sherry Lynn Missildine, RN, MSN, ACNP-BC

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

AP115139 Issued in TX

Practice address

2001 N Jefferson Ave Ste 204B
Mount Pleasant, TX 75455-2310

Phone

(903) 577-6290

Fax

(903) 577-6245

NPI assigned

Jul 13, 2006

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 identifiers 4

Other names 1

• Sherry Lynn Porier Former name

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Titus County Hospital DistrictGroup PAC ID 0143203257, 107 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Titus Regional Medical Center Hospital, Mount Pleasant, TX, CCN 450080

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner, Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: smissildine@71bbcd5a.micromddirect.com
• Direct secure messaging: smissildine234773@christushealth.direct-ci.net

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.

• Titus County Hospital District

  • Multi-Specialty Clinic/Center
  • Mount Pleasant, TX
  • NPI 1063548881
  Medicare reassignment Care Compare group NPD
• Christus Trinity Clinic Texas

  • Family Medicine Physician
  • Tyler, TX
  • NPI 1285684225
  Medicare reassignment NPD
• Christus Trinity Clinic Texas

  • Rural Health Clinic/Center
  • Winnsboro, TX
  • NPI 1801673165
  NPD
• Titus County Hospital District

  • Radiation Oncology Clinic/Center
  • Mount Pleasant, TX
  • NPI 1730876558
  NPD
• Titus County Hospital District

  • General Acute Care Hospital
  • Mt Pleasant, TX
  • NPI 1174526529
  NPD (past)

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

• Titus County Hospital District

  • Multi-Specialty Clinic/Center
  • Mount Pleasant, TX
  • NPI 1063548881

  Hospital

  Care Compare affiliation
• Titus County Hospital District

  • General Acute Care Hospital
  • Mt Pleasant, TX
  • NPI 1174526529
  Care Compare affiliation

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

{
    "created_epoch": "1152748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1215952965",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4743 ARAPAHOE AVE STE 202",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803031128",
            "telephone_number": "303-835-0936",
            "fax_number": "303-998-0007"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2001 N JEFFERSON AVE STE 204B",
            "city": "MOUNT PLEASANT",
            "state": "TX",
            "postal_code": "754552310",
            "telephone_number": "903-577-6290",
            "fax_number": "903-577-6245"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2602 Saint Michael Dr Ste 302B",
            "address_purpose": "LOCATION",
            "city": "Texarkana",
            "state": "TX",
            "postal_code": "755035228",
            "country_code": "US",
            "telephone_number": "903-614-5180",
            "fax_number": "903-614-5169",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MISSILDINE",
        "first_name": "SHERRY",
        "middle_name": "LYNN",
        "credential": "RN, MSN, ACNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-13",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CO",
            "license": "658",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TX",
            "license": "704242",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TX",
            "license": "AP115139",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200223530A",
            "state": "OK"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8Y8806",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MCR PIN - CTC",
            "identifier": "1F7305",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "197789401",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SHERRY",
            "last_name": "PORIER",
            "middle_name": "LYNN",
            "credential": "RN, MSN, ACNP-BC",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Acute Care Nurse Practitioner in Mount Pleasant, TX
• Providers in Mount Pleasant, TX by specialty
• Acute Care Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.