Individual provider Active NPI

Zhiying Diao, PA-C

  • Physician Assistant
  • Rockville, MD
National Provider Identifier
1134844210
Registry record updated Feb 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C0008671 Issued in MD
Practice address
9901 Medical Center Dr
Rockville, MD 20850-3357
Phone
(240) 826-6000
NPI assigned
Oct 11, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 7, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X C0008671 MD Primary

Addresses

Primary practice location

9901 Medical Center Dr
Rockville, MD 20850-3357

Mailing address

9901 Medical Center Dr
Rockville, MD 20850-3357
Phone (240) 826-6000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20230220001766 DC Practitioner - Physician Assistant 7517339526 Reassigns benefits to 1 organization
I20250523002230 VA Practitioner - Physician Assistant 7517339526 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Valley Physician Enterprise IncGroup PAC ID 9931268091, 176 clinicians
Winchester Medical CenterGroup PAC ID 0244134021, 313 clinicians

Practice addresses (Care Compare)

1000 N Shenandoah Ave
Front Royal, VA 22630-3547
Phone (540) 636-0300

1830 Amherst St
Winchester, VA 22601-2808
Phone (540) 667-1828

1840 Amherst St
Winchester, VA 22601-2808
Phone (540) 536-8700

1860 Amherst St
Winchester, VA 22601-2808
Phone (540) 536-8000

1880 Amherst St
Winchester, VA 22601-2808
Phone (540) 536-6721

Hospital & facility affiliations

  • Winchester Medical Center Hospital, Winchester, VA, CCN 490005
  • Warren Memorial Hospital Hospital, Front Royal, VA, CCN 490033
  • Page Memorial Hospital, Inc Hospital, Luray, VA, CCN 491307
  • Shenandoah Memorial Hospital Hospital, Woodstock, VA, CCN 491305
  • Hampshire Memorial Hospital Hospital, Romney, WV, CCN 511311

Merit-based Incentive Payment System (MIPS)

Final score
95.19 of 100Reported as apm
Quality
79.78
Promoting interoperability
98
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
C0008671MDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Valley Physician Enterprise, Inc. CurrentSince Jun 23, 2025 Accepting new patients
Valley Physician Enterprise, Inc. CurrentSince Jun 23, 2025 Accepting new patients
Winchester Medical Center Current Accepting new patients
Winchester Medical Center, Inc. CurrentSince Jun 23, 2025 Accepting new patients
Winchester Medical Center CurrentSince Jun 23, 2025 Accepting new patients
Valley Physician Enterprise, Inc Past Accepting new patients
Winchester Medical Center Past Accepting new patients

Locations

1000 N Shenandoah Ave
Front Royal, VA 22630
Phone (540) 636-0300

220 Campus Blvd
Ste 320
Winchester, VA 22601

1880 Amherst St
Ste 310
Winchester, VA 22601
Phone (540) 536-6721

1840 Amherst St
Winchester, VA 22601
Phone (540) 536-8700

Interoperability endpoints

  • Direct secure messaging: zdiao1504080@valleyhealth.direct-ci.com

Organizations & group practices 8

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1665446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1675728000000",
    "number": "1134844210",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9901 MEDICAL CENTER DR",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503357",
            "telephone_number": "240-826-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9901 MEDICAL CENTER DR",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503357",
            "telephone_number": "240-826-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAO",
        "first_name": "ZHIYING",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-10-11",
        "last_updated": "2023-02-07",
        "certification_date": "2023-02-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C0008671",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville, MD

Sources for this page

Verify at the official NPI Registry.