Individual provider Active NPI

Alexander Chyu

  • Physical Therapist
  • Rockville, MD
National Provider Identifier
1508771460
Registry record updated Aug 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
224408 Issued in MD
Practice address
9420 Key West Ave Ste 140
Rockville, MD 20850-6332
Phone
(301) 545-1677
NPI assigned
Aug 17, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X 224408 MD Primary

Addresses

Primary practice location

9420 Key West Ave Ste 140
Rockville, MD 20850-6332

Mailing address

8827 Tuckerman LN
Potomac, MD 20854-3166

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Proactive Hand and Physical Therapy, LLC PastSince Nov 3, 2024 Accepting new patients
Proactive Hand and Physical Therapy PastSince Sep 11, 2016 Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1786924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1508771460",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8827 TUCKERMAN LN",
            "city": "POTOMAC",
            "state": "MD",
            "postal_code": "208543166"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9420 KEY WEST AVE STE 140",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208506332",
            "telephone_number": "301-545-1677"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHYU",
        "first_name": "ALEXANDER",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-17",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "MD",
            "license": "224408",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.