Diligent Home Health Care Agency

Primary specialty

Home Health AgencyTaxonomy code 251E00000X

Legal business name

DILIGENT HOME HEALTH CARE AGENCY

Practice address

960 E Green St Ste 302
Pasadena, CA 91106-2401

Phone

(661) 263-4414

Fax

(661) 263-4404

NPI assigned

Mar 8, 2019

Organization subpart

No

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

Authorized official

Name

Vigen Stepanyan

Title

Ceo

Phone

(661) 263-4414

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Home health agency certification: CCN 559498

Legal name

DILIGENT HOME HEALTH CARE AGENCY

Certification status

Active

Provider type (POS)

Home health agency

Participating since

Feb 15, 2021

Last certification

Feb 15, 2021

Ownership / control type

Proprietary

Organization structure

CorporationProprietary

Incorporated

Dec 19, 2018 in CA

Enrollment address

960 E Green St
Ste 302
Pasadena, CA 91106-2401
HHA Branch

Listed as

Diligent Home Health Care AgencyCCN 559498

Ownership

Proprietary

Certified

Feb 15, 2021

Medicare certification status

ActiveFrom the Provider of Services file

Services

Nursing, Medical social, Home health aide, Physical therapy, Speech pathology, Occupational therapy

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

All disclosed owners & managing parties 1

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

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

{
    "created_epoch": "1552003200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776729600000",
    "number": "1780142745",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 E GREEN ST STE 302",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911062401",
            "telephone_number": "661-263-4414",
            "fax_number": "661-263-4404"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "960 E GREEN ST STE 302",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911062401",
            "telephone_number": "661-263-4414",
            "fax_number": "661-263-4404"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DILIGENT HOME HEALTH CARE AGENCY",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-03-08",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A",
        "authorized_official_last_name": "STEPANYAN",
        "authorized_official_first_name": "VIGEN",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "661-263-4414"
    },
    "taxonomies": [
        {
            "code": "251E00000X",
            "taxonomy_group": "",
            "desc": "Home Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dien Sun, DDS, Inc.
• Vivian Thutrang Diep, L.AC.
• Todd B Dietrick, M.D.
• William Robert Dietrick, MD
• Gina Joanne Digiovanni, N.P.
• Hildy S. Dimarzio, PSY.D., LCSW
• Giancarlo Pasquale Dimassa, MD
• Luis Dimen, M.D.
• Lesley Anne Tordilla Dimson, COTA/L
• Paul Hai Vu Dinh, P.T.

• Home Health Agency in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Home Health Agency in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
• 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.