Active NPI
Erin Topaltzas
- Mental Health Counselor
- Rockville, MD
National Provider Identifier
1538041363
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- Practice address
- 9707 Key West Ave
Rockville, MD 20850-3992 - Phone
- (240) 363-4357
- NPI assigned
- Jul 23, 2025
- Sex
- Unspecified or another gender identity
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | Primary |
Addresses
Primary practice location
9707 Key West Ave
Rockville, MD 20850-3992
Mailing address
9707 Key West Ave Ste 100
Rockville, MD 20850-3992
Phone (240) 363-4357
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1753228800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753228800000",
"number": "1538041363",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9707 KEY WEST AVE STE 100",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208503992",
"telephone_number": "240-363-4357"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9707 KEY WEST AVE",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208503992",
"telephone_number": "240-363-4357"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TOPALTZAS",
"first_name": "ERIN",
"sole_proprietor": "YES",
"sex": "X",
"enumeration_date": "2025-07-23",
"last_updated": "2025-07-23",
"certification_date": "2025-07-23",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": null,
"license": null,
"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 Jul 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.