Clarissa Ann Mashchak, M.D.

Primary specialty

Gynecology PhysicianTaxonomy code 207VG0400X

License

MD0000018459 Issued in TN

Practice address

4884 Sunkist Ter
Ooltewah, TN 37363-6851

Phone

(423) 774-8281

NPI assigned

Feb 4, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 2

Other names 1

• Dr. C. Ann Mashchak Professional name

Medicare fee-for-service enrollment

Enrolled in TN

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

Merit-based Incentive Payment System (MIPS)

Final score

93.78 of 100Reported as apm

Quality

80.38

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: cannmashchak@tnmhpf.allscriptsdirect.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.

• C. Ann Mashchak, M.D.

  • Specialist
  • Ooltewah, TN
  • NPI 1457518227
  NPD (past) Authorized official
• Memorial Health Partners Foundation Inc

  • Rural Health Clinic/Center
  • Trenton, GA
  • NPI 1467602482
  NPD

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

{
    "created_epoch": "1139011200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1245202183",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4884 SUNKIST TER",
            "city": "OOLTEWAH",
            "state": "TN",
            "postal_code": "373636851",
            "telephone_number": "423-774-8281"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4884 SUNKIST TER",
            "city": "OOLTEWAH",
            "state": "TN",
            "postal_code": "373636851",
            "telephone_number": "423-774-8281"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASHCHAK",
        "first_name": "CLARISSA",
        "middle_name": "ANN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-02-04",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "TN",
            "license": "MD0000018459",
            "primary": false
        },
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "TN",
            "license": "MD0000018459",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3032078",
            "state": "TN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD TN",
            "identifier": "4270474",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "C.",
            "last_name": "MASHCHAK",
            "middle_name": "ANN",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Joseph M Marangella, PT, DPT
• Obadias Marquez, MD
• Anna Marschner
• Anna Moses Marsh, RDLD
• Shannon Marsh
• Amanda McCall, PHARMD
• Shannon O McCallie, MD
• Britney McClain
• Jason Chad McDaniel, LPC-MHSP
• Mary Frances McDaniel, NP-C

• Gynecology Physician in Ooltewah, TN
• Providers in Ooltewah, TN by specialty
• Gynecology Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 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.