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JENNIFER G TRIHOULIS MD
NPI 1699891705
Psychiatry & Neurology - Psychiatry in Columbia, MS

Active since March 21, 2007PECOS Enrolled
89.76/100
CMS Quality Rating
1113 HIGHWAY 98 BYP STE B, COLUMBIA, MS 39429(601) 336-2220(601) 336-2221 Get Directions Write a Review

NPPES record last updated: December 16, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jennifer G Trihoulis Md NPPES

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

JENNIFER G TRIHOULIS MD (NPI 1699891705) is an individual psychiatry provider in Columbia, Mississippi, licensed in Mississippi (19631) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699891705
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameJENNIFER G TRIHOULISCredential: MD
Location Address1113 HIGHWAY 98 BYP STE BColumbia, MS 39429-3746
Mailing Address5266 Old Highway 11 Ste 70-309Hattiesburg, MS 39402-7817 · (601) 336-2220 · Fax (601) 336-2221
Phone(601) 336-2220
Fax(601) 336-2221
Sole ProprietorYes
Enumeration DateMarch 21, 2007
Last NPPES UpdateDecember 16, 2011
✔ NPI 1699891705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MS · 19631
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1113 HIGHWAY 98 BYP STE B, Columbia, MS 39429
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer G Trihoulis Md 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Jennifer Trihoulis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Covington County Hospital
31 mi
Multi-Specialty
1207 S FIR AVE
Collins, MS 39428
  • Reassigned Medicare billing, Mississippi enrollment
  • 6 clinicians in this Medicare group
NPI 1831895911 (601) 698-0263
Behavioral Consultant Solutions, LLC
76 mi
Clinical
313 ABBEY CT
Biloxi, MS 39531
  • Reassigned Medicare billing, Mississippi enrollment
  • 14 clinicians in this Medicare group
NPI 1275282311 (601) 408-0719

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
59 services14 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
38 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39429 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
$159.18 typical visit price
range $51.65 – $159.18
Typical copayment $39.79 (range $12.91 – $39.79)
Most-billed visit code 99205
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.76/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.59
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

JENNIFER TRIHOULIS MD, LLC
Psychiatry & Neurology (Psychiatry)
1113 HIGHWAY 98 BYP STE B
COLUMBIA, MS 39429
Marion County (601) 336-2220

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 Jennifer Trihoulis's NPI number?

The NPI number for Jennifer Trihoulis is 1699891705. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is Jennifer Trihoulis located?

Jennifer Trihoulis practices at 1113 Highway 98 Byp Ste B, Columbia, MS 39429. The listed phone number is (601) 336-2220.

What is Jennifer Trihoulis's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Jennifer Trihoulis enrolled in Medicare?

Yes. Jennifer Trihoulis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jennifer Trihoulis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Trihoulis reassigns Medicare benefits to 2 organizations: Covington County Hospital (Collins, MS) and Behavioral Consultant Solutions, LLC (Biloxi, MS). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Trihoulis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Trihoulis accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 4 other insurers list Jennifer Trihoulis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jennifer Trihoulis was last updated on December 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.