Tiffany VI Diep

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

031822 Issued in NY

Practice address

462 1St Ave Ste 16N1-12
New York, NY 10016-9196

Phone

(212) 263-2085

Fax

(212) 263-1048

NPI assigned

Jun 5, 2024

Last updated

Sep 29, 2026By the provider in NPPES

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NY

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359

Interoperability endpoints

• Direct secure messaging: tdiep2071479@nychhc.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Spring Street Dermatology, PLLC

  • Dermatology Physician
  • New York, NY
  • NPI 1639408818
  Medicare reassignment

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

{
    "created_epoch": "1717545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1447091103",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "462 1ST AVE STE 16N1-12",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100169196",
            "telephone_number": "212-562-2359",
            "fax_number": "929-455-9549"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "462 1ST AVE STE 16N1-12",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100169196",
            "telephone_number": "212-263-2085",
            "fax_number": "212-263-1048"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIEP",
        "first_name": "TIFFANY",
        "middle_name": "VI",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-06-05",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "031822",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Crystal Diep
• Gustave Diep, MD
• Jenny Tien Diep, MD
• Thanh Thai Diep, RPH
• Thien an Hoang Diep
• Laura Dieppa Perea, MD
• Evelyn C Dier, PA
• Nancy Dier, LCSW
• Kerry Dierberg, M.D., MPH
• Gudrun Diermayr, P.T.

• Physician Assistant in New York, NY
• Providers in New York, NY by specialty
• Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.