Active NPI
Lillian E Mess, MSN/NP
- Family Nurse Practitioner
- Port Huron, MI
National Provider Identifier
1811949159
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 4704192213
- Practice address
- 1221 Pine Grove Ave
Port Huron, MI 48060-3511 - Phone
- (810) 987-5000
- Fax
- (810) 985-2633
- NPI assigned
- May 16, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 4704192213 | MI | Primary |
Addresses
Primary practice location
1221 Pine Grove Ave
Port Huron, MI 48060-3511
Mailing address
1221 Pine Grove Ave
Port Huron, MI 48060-3511
Phone (810) 987-5000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 4704192213 | Other | MI | LICENSE NUMBER |
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: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Master of Science - Nursing, Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4704192213 | MI | MD | Family Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147737600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1811949159",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1221 PINE GROVE AVE",
"city": "PORT HURON",
"state": "MI",
"postal_code": "480603511",
"telephone_number": "810-987-5000",
"fax_number": "810-985-2633"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1221 PINE GROVE AVE",
"city": "PORT HURON",
"state": "MI",
"postal_code": "480603511",
"telephone_number": "810-987-5000",
"fax_number": "810-985-2633"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MESS",
"first_name": "LILLIAN",
"middle_name": "E",
"credential": "MSN/NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-16",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MI",
"license": "4704192213",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "LICENSE NUMBER",
"identifier": "4704192213",
"state": "MI"
}
],
"endpoints": [],
"other_names": []
}Other providers in Port Huron, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.