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

MRS. LIANNE B COULTER PA-C
NPI 1326507062
Physician Assistant in Mission Viejo, CA

Active since March 12, 2019PECOS EnrolledAccepts Medicare Assignment
26991 CROWN VALLEY PKWY STE 100, MISSION VIEJO, CA 92691(949) 582-5430(949) 348-9513 Get Directions Write a Review

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

Record update history: Jul 16, 2026, Nov 15, 2025, Aug 7, 2025 and 1 more (4 updates tracked since 2019).

About Mrs. Lianne B Coulter Pa-c NPPES

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

MRS. LIANNE B COULTER PA-C (NPI 1326507062) is an individual physician assistant in Mission Viejo, California, licensed in California (15736) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1326507062
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. LIANNE B COULTERCredential: PA-C
Location Address26991 CROWN VALLEY PKWY STE 100Mission Viejo, CA 92691-6511
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380
Fax(949) 348-9513
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateMarch 12, 2019
Last NPPES UpdateJuly 16, 20264 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
NPI 1326507062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · 15736
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
26991 CROWN VALLEY PKWY STE 100, Mission Viejo, CA 92691

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Lianne B Coulter Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749513174
PECOS Enrollment IDI20190617002734
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
60 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 8

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

Family Medicine
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691
Internal Medicine (Rheumatology)
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691
Psychiatry & Neurology (Neurology)
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691
Nurse Practitioner (Family)
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691
Physician Assistant
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691
Internal Medicine
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691
Internal Medicine
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691
Physician Assistant
26991 CROWN VALLEY PKWY STE 100
MISSION VIEJO, CA 92691

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 Lianne Coulter's NPI number?

The NPI number for Lianne Coulter is 1326507062. It was assigned to this individual provider in the NPPES registry on March 12, 2019.

Where is Lianne Coulter located?

Lianne Coulter practices at 26991 Crown Valley Pkwy Ste 100, Mission Viejo, CA 92691. The listed phone number is (949) 582-5430.

What is Lianne Coulter's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Lianne Coulter enrolled in Medicare?

Yes. Lianne Coulter is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Lianne Coulter was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.