Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LILLIAN E MESS MSN/NP
NPI 1811949159
Nurse Practitioner - Family in Port Huron, MI

Active since May 16, 2006PECOS Enrolled
1221 PINE GROVE AVE, PORT HURON, MI 48060(810) 987-5000(810) 985-2633 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Lillian E Mess Msn/np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LILLIAN E MESS MSN/NP (NPI 1811949159) is an individual family provider in Port Huron, Michigan, licensed in Michigan (4704192213) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811949159
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameLILLIAN E MESSCredential: MSN/NP
Location Address1221 PINE GROVE AVEPort Huron, MI 48060-3511
Mailing Address1221 Pine Grove AvePort Huron, MI 48060-3511 · (810) 987-5000 · Fax (810) 985-2633
Fax(810) 985-2633
Sole ProprietorNo
Enumeration DateMay 16, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1811949159 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MI · 4704192213
1221 PINE GROVE AVE, Port Huron, MI 48060

Other Identifiers 1

Other4704192213MI · License Number

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Lillian E Mess Msn/np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48060 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Acute Care)
1221 PINE GROVE AVE
PORT HURON, MI 48060
Clinic/Center (Magnetic Resonance Imaging (MRI))
1221 PINE GROVE AVE
PORT HURON, MI 48060
Nurse Practitioner (Acute Care)
1221 PINE GROVE AVE
PORT HURON, MI 48060
Obstetrics & Gynecology
1221 PINE GROVE AVE
PORT HURON, MI 48060
Nurse Anesthetist, Certified Registered
1221 PINE GROVE AVE
PORT HURON, MI 48060
Emergency Medicine
1221 PINE GROVE AVE, PORT HURON HOSPITAL EMERGENCY DEPT
PORT HURON, MI 48060
Physical Therapist
1221 PINE GROVE AVE
PORT HURON, MI 48060
Emergency Medicine
1221 PINE GROVE AVE, MCLAREN PORT HURON - EMERGENCY MEDICINE DEPARTMENT
PORT HURON, MI 48060

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lillian Mess's NPI number?

The NPI number for Lillian Mess is 1811949159. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Lillian Mess located?

Lillian Mess practices at 1221 Pine Grove Ave, Port Huron, MI 48060. The listed phone number is (810) 987-5000.

What is Lillian Mess's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Lillian Mess enrolled in Medicare?

Yes. Lillian Mess is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lillian Mess was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.