Individual provider Active NPI

Iris Elena Ysern Zarranz, LCSW-C, LICSW, LCSW

  • Clinical Social Worker
  • Rockville, MD
National Provider Identifier
1245329275
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
10442 Issued in MD
Practice address
25 Wood LN
Rockville, MD 20850-2228
Phone
(240) 507-8509
NPI assigned
Oct 11, 2006
Last updated
Sep 2, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 0904014721 VA
Clinical Social Worker 1041C0700X LC20002319 DC
Clinical Social Worker 1041C0700X 10442 MD Primary

Addresses

Primary practice location

25 Wood LN
Rockville, MD 20850-2228

Mailing address

25 Wood LN
Rockville, MD 20850-2228
Phone (240) 507-8509

Other names 1

  • Ms. Iris Elena Ysern-Gonzales Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Opted out of Medicare
Yes, effective Apr 1, 2024 through Apr 1, 2028

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

State licenses

LicenseStateTypeSpecialty
LC20002319DCMDClinical Social Worker
0904014721VAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Ysern Therapy & Consulting, LLC Clinical CurrentSince Dec 6, 2022 Accepting new patients
Montgomery County Maryland Government Past Accepting new patients

Locations

16031 Comprint Cir
Gaithersburg, MD 20877
Phone (301) 502-5028

25 Wood Ln
Rockville, MD 20850
Phone (240) 507-8509

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1245329275",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 WOOD LN",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208502228",
            "telephone_number": "240-507-8509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 WOOD LN",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208502228",
            "telephone_number": "240-507-8509"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YSERN ZARRANZ",
        "first_name": "IRIS",
        "middle_name": "ELENA",
        "name_prefix": "Ms.",
        "credential": "LCSW-C, LICSW, LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-11",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "VA",
            "license": "0904014721",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "DC",
            "license": "LC20002319",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "10442",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "IRIS",
            "last_name": "YSERN-GONZALES",
            "middle_name": "ELENA",
            "prefix": "MS.",
            "credential": "LCSW-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Rockville, MD

Sources for this page

Verify at the official NPI Registry.