Active NPI
Malvis N Tamon, DNP, APRN, FNP-BC
- Family Nurse Practitioner
- Frederick, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- R186855
- Practice address
- 300 Ballenger Center Dr
Frederick, MD 21703-7096 - Phone
- (301) 682-7213
- NPI assigned
- Jul 11, 2018
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | R186855 | MD | Primary |
Addresses
Primary practice location
300 Ballenger Center Dr
Frederick, MD 21703-7096
Mailing address
121 Congressional LN Ste 204
Rockville, MD 20852-1542
Phone (301) 917-4139
Other practice location 1
121 Congressional Ln Ste 204
Rockville, MD 20852-1542
Phone (301) 917-4139
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
10095 Ward Rd
Dunkirk Mktplace
Dunkirk, MD 20754-2731
Phone (866) 389-2727
121 Congressional LN
Suite 204
Rockville, MD 20852-1542
Phone (301) 917-4139
300 Ballenger Ctr Dr
Frederick, MD 21703-7096
Phone (866) 389-2727
5414 Rotary Ave
New Market, MD 21774-6117
Phone (866) 389-2727
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R186855 | MD | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| LJ Medical LLC | Current | Accepting new patients |
Locations
5550 Friendship Blvd
Ste 360
Chevy Chase, MD 20815
Phone (240) 241-0420
121 Congressional Ln
Ste 204
Rockville, MD 20852
Phone (301) 545-1000
6244 Montrose Rd
Rockville, MD 20852
Phone (301) 917-4139
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/DHEHDD/Endpoint/DHEHDD
- malvis.tamon@lml-md.direct.office.nextgen.com
- https://api.platform.athenahealth.com/10253/brand/1/csg/1/fhir/r4
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1531267200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775779200000",
"number": "1679059794",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "121 CONGRESSIONAL LN STE 204",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208521542",
"telephone_number": "301-917-4139",
"fax_number": "301-338-6463"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 BALLENGER CENTER DR",
"city": "FREDERICK",
"state": "MD",
"postal_code": "217037096",
"telephone_number": "301-682-7213"
}
],
"practiceLocations": [
{
"address_1": "121 Congressional Ln Ste 204",
"address_purpose": "LOCATION",
"city": "Rockville",
"state": "MD",
"postal_code": "208521542",
"country_code": "US",
"telephone_number": "301-917-4139",
"fax_number": "301-338-6463",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TAMON",
"first_name": "MALVIS",
"middle_name": "N",
"name_prefix": "Dr.",
"credential": "DNP, APRN, FNP-BC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2018-07-11",
"last_updated": "2026-04-10",
"certification_date": "2026-04-10",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MD",
"license": "R186855",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Frederick, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 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.
- 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.