Active NPI
Heidi Gerondakis, CRNP
- Psychiatric/Mental Health Nurse Practitioner
- Highland, MD
National Provider Identifier
1922985126
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatric/Mental Health Nurse Practitioner
- License
- R228144
- Practice address
- 13334 Clarksville Pike BLDG C, Suite B
Highland, MD 20777 - Phone
- (301) 618-0829
- NPI assigned
- Aug 19, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | NP500328158 | DC | |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | R228144 | MD | Primary |
| General Practice Registered Nurse | 163WG0000X | R228144 | MD | |
| General Practice Registered Nurse | 163WG0000X | RN500328158 | DC |
Addresses
Primary practice location
13334 Clarksville Pike BLDG C, Suite B
Highland, MD 20777
Mailing address
12212 Snowden Woods Rd
Laurel, MD 20708-2496
Phone (443) 609-2278
Other practice location 1
12212 Snowden Woods Rd
Laurel, MD 20708-2496
Phone (301) 246-6898
Other practice location 2
1200 G St NW Ste 800
Washington, DC 20005-6705
Phone (301) 246-6898
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260127003625 | MD | Order and Referring Only - Nurse Practitioner | 3476031980 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN500328158 | DC | MD | General Practice Registered Nurse |
| NP500328158 | DC | MD | Psychiatric/Mental Health Nurse Practitioner |
| R228144 | MD | MD | Psychiatric/Mental Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Heidi Gerondakis, LLC | Psychiatric/Mental Health | Current | Accepting new patients |
| Frederick Health Hospital Inc | Past | 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.
-
- Psychiatric/Mental Health Nurse Practitioner
- Laurel, MD
- NPI 1841167954
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1755561600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775088000000",
"number": "1922985126",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12212 SNOWDEN WOODS RD",
"city": "LAUREL",
"state": "MD",
"postal_code": "207082496",
"telephone_number": "443-609-2278"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "13334 CLARKSVILLE PIKE BLDG C, SUITE B",
"city": "HIGHLAND",
"state": "MD",
"postal_code": "20777",
"telephone_number": "301-618-0829"
}
],
"practiceLocations": [
{
"address_1": "12212 Snowden Woods Rd",
"address_purpose": "LOCATION",
"city": "Laurel",
"state": "MD",
"postal_code": "207082496",
"country_code": "US",
"telephone_number": "301-246-6898",
"fax_number": "800-527-1962",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1200 G St NW Ste 800",
"address_purpose": "LOCATION",
"city": "Washington",
"state": "DC",
"postal_code": "200056705",
"country_code": "US",
"telephone_number": "301-246-6898",
"fax_number": "800-527-1962",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GERONDAKIS",
"first_name": "HEIDI",
"credential": "CRNP",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-08-19",
"last_updated": "2026-04-02",
"certification_date": "2026-04-02",
"status": "A"
},
"taxonomies": [
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "DC",
"license": "NP500328158",
"primary": false
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "MD",
"license": "R228144",
"primary": true
},
{
"code": "163WG0000X",
"taxonomy_group": "",
"desc": "Registered Nurse, General Practice",
"state": "MD",
"license": "R228144",
"primary": false
},
{
"code": "163WG0000X",
"taxonomy_group": "",
"desc": "Registered Nurse, General Practice",
"state": "DC",
"license": "RN500328158",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Highland, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 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.