Valentina Masiero, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

0110010152 Issued in VA

Practice address

8691 Stonewall Rd
Manassas, VA 20110-4510

Phone

(571) 284-1430

NPI assigned

Jun 10, 2024

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

Medicare fee-for-service enrollment

Enrolled in VA

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

Physician Assistant

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Privia Medical Group, LLCGroup PAC ID 4385682061, 1,522 clinicians

Uva Community Health Medical Group LLCGroup PAC ID 4688587967, 339 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uva Health Haymarket Medical Center Hospital, Haymarket, VA, CCN 490144
• Uva Health Prince William Medical Center Hospital, Manassas, VA, CCN 490045
• Winchester Medical Center Hospital, Winchester, VA, CCN 490005

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: valentina.masiero.1@8042.direct.athenahealth.com

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.

• Privia Medical Group, LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1013042480
  Medicare reassignment Care Compare group NPD
• Uva Community Health Medical Group, LLC

  • Multi-Specialty Clinic/Center
  • Charlottesville, VA
  • NPI 1598475741
  Medicare reassignment Care Compare group NPD
• Privia Medical Group, LLC

  • Pain Medicine (Psychiatry & Neurology) Physician
  • Rockville, MD
  • NPI 1811715436
  NPD
• Uva Community Health Medical Group, LLC

  • Family Medicine Physician
  • Manassas, VA
  • NPI 1366744039
  NPD (past)

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

• Uva Prince William Medical Center

  • General Acute Care Hospital
  • Haymarket, VA
  • NPI 1124369137
  Care Compare affiliation
• Uva Prince William Medical Center

  • General Acute Care Hospital
  • Manassas, VA
  • NPI 1417005760
  Care Compare affiliation
• Winchester Medical Center

  • General Acute Care Hospital
  • Winchester, VA
  • NPI 1619928017
  Care Compare affiliation
• Winchester Medical Center

  • Clinical Medical Laboratory
  • Winchester, VA
  • NPI 1790024909

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1717977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768780800000",
    "number": "1083456073",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 748613",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303748613"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8691 STONEWALL RD",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201104510",
            "telephone_number": "571-284-1430"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1730 Amherst St",
            "address_purpose": "LOCATION",
            "city": "Winchester",
            "state": "VA",
            "postal_code": "226012807",
            "country_code": "US",
            "telephone_number": "540-773-8169",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASIERO",
        "first_name": "VALENTINA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-06-10",
        "last_updated": "2026-01-19",
        "certification_date": "2026-01-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "VA",
            "license": "0110010152",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karen Massiel Martinez Fermin, LPN
• Carmen Yolanda Martinez, PA
• Osman Masahudu
• Camila Masetto
• Lois Ann Masiello, MPT
• Carolyn Joy Mason, M.D.
• Colleen Mason, LSW
• Marsha Ann Mason, M.D.
• Sherri L Mason, APRN, FNP-C
• Philip N. Massey, M.D.

• Physician Assistant in Manassas, VA
• Providers in Manassas, VA by specialty
• Physician Assistant in Virginia

• 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; 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.