Active NPI
Lydia J Mathis, LPC
- Mental Health Counselor
- Boulder, CO
National Provider Identifier
1780355867
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- License
- LPC.0022484
- Practice address
- 1800 30TH St Ofc 100a
Boulder, CO 80301-1088 - Phone
- (720) 310-5512
- NPI assigned
- Sep 28, 2021
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | LPC.0022484 | CO | |
| Mental Health Counselor | 101YM0800X | LPC.0022484 | CO | Primary |
Addresses
Primary practice location
1800 30TH St Ofc 100a
Boulder, CO 80301-1088
Mailing address
3800 Colorado Ave Unit B
Boulder, CO 80303-2102
Phone (937) 999-8374
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Mental Health Counselor
- Education
- Other, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
3201 S Tamarac Dr
Denver, CO 80231-4360
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Jewish Family Service of Colorado | Current | Accepting new patients | |
| Jewish Family Service of Colorado | Current | Accepting new patients | |
| Prosocial, LLC | Mental Health | Current | Accepting new patients |
Locations
1650 38th St
Ste 100E
Boulder, CO 80301
Phone (303) 330-3589
1800 30th St
Ofc 100A
Boulder, CO 80301
3201 S Tamarac Dr
Denver, CO 80231
Phone (303) 597-5000
Organizations & group practices 3
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.
-
- Mental Health Counselor
- Boulder, CO
- NPI 1205799236
-
- Community/Behavioral Health Agency
- Boulder, CO
- NPI 1265159842
-
- Voluntary or Charitable Agency
- Denver, CO
- NPI 1336161371
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1632787200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785369600000",
"number": "1780355867",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3800 COLORADO AVE UNIT B",
"city": "BOULDER",
"state": "CO",
"postal_code": "803032102",
"telephone_number": "937-999-8374"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1800 30TH ST OFC 100A",
"city": "BOULDER",
"state": "CO",
"postal_code": "803011088",
"telephone_number": "720-310-5512"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MATHIS",
"first_name": "LYDIA",
"middle_name": "J",
"credential": "LPC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-09-28",
"last_updated": "2026-07-30",
"certification_date": "2026-07-30",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "CO",
"license": "LPC.0022484",
"primary": false
},
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "CO",
"license": "LPC.0022484",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Boulder, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.