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Edit this profileWhere to find Trisha L. Phemister, NP
- Carterville location main office
308 W Plaza Dr, Carterville, IL 62918 - Carterville location
310 W Plaza Dr, Carterville, IL 62918
About Trisha Phemister
Trisha L. Phemister, NP is a nurse practitioner — psychiatric/mental health based in Carterville, IL. Trisha is also listed as specializing in nurse practitioner. Medicare claims data shows Trisha provided 169 services to 62 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and psychiatric diagnostic evaluation with medical services. The provider's National Provider Identifier (NPI) is 1457017063.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (618) 985-4344
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
308 W PLAZA DR
Carterville, IL 62918
310 W Plaza Dr
Carterville, IL 62918
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Psychiatric/Mental Health generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cognitive issues
- Brain Fog and Mental Fatigue
- Dementia with behavioral symptoms
- Mild cognitive impairment
Mood disorders
- Emotional Numbness
- Menopause Mood Swings and Anxiety
- Bipolar disorder
- Depression
- Mood swings
- Postpartum depression
- Premenstrual dysphoric disorder
- Seasonal affective disorder
Sleep
- Neurologic sleep disorders
- Chronic Nightmares
- Insomnia and Sleep Problems
Addiction
Addiction & substance use
Anxiety & panic
Attention & learning
Behavioral health
Behavioral issues
Child & adolescent
- Oppositional defiant disorder
- Severe Temper Tantrums and Meltdowns
Cognitive disorders
- Dementia
- Executive dysfunction
Crisis & safety
Eating disorders
- Anorexia nervosa
- Binge eating
- Eating disorders
Medication side effects
- Involuntary Twitches from Meds
Obsessions & compulsions
Personality disorders
Psychotic disorders
- Delusional disorder
- Hearing Voices and Hallucinations
- Schizoaffective disorder
- Schizophrenia
Stress & lifestyle
- Burnout
- Chronic stress
- Gaslighting and manipulation
Trauma & stress
- Adjustment disorder
- Dissociative disorders
- Illness anxiety disorder
- Prolonged grief disorder
- Trauma
Procedures & services
Addiction treatment
- Dual Diagnosis Addiction Treatment
- Vivitrol and Naltrexone Treatment
- Suboxone Treatment and MAT
Consultations
- Holistic Mental Health Consultation
- Transcranial Magnetic Stimulation (TMS) Consultation
Crisis care
- Urgent Psychiatric Consultation
Evaluations & paperwork
- Child Psychiatric Evaluation
- Disability Mental Health Evaluation
- Gender-Affirming Mental Health Letter
- Psychiatric Clearance for Surgery
- School Accommodation Evaluation
- Treatment-Resistant Depression Evaluation
- Cognitive Assessment
Evaluations & testing
- ADHD Testing and Diagnosis
- Adolescent Psychiatric Evaluation
- Emotional Support Animal (ESA) Evaluation
- FMLA and Mental Health Leave Paperwork
- Postpartum Mental Health Screening
- Second Opinion on Mental Health Diagnosis
- DNA drug response testing
- Psychiatric evaluation
Interventional treatments
- Ketamine Therapy Consultation
- Spravato (Esketamine) Treatment
Medication management
- Antidepressant Prescription
- Antipsychotic Medication Management
- Anxiety Medication Management
- Benzodiazepine Tapering
- Lithium Monitoring and Blood Level Checks
- Long-Acting Antipsychotic Shot
- Non-Stimulant ADHD Medication Management
- Prescription Refill Visit
- Smoking Cessation Medication Visit
- Stimulant Medication Monitoring
- Switching Antidepressants
- Tardive Dyskinesia Treatment
- Weight Management for Psychiatric Med Side Effects
- Lab Work for Psychiatric Medications
- Medication management
- Mood Stabilizer Management
- Sleep Medication Management
- Tapering Off Psychiatric Medication
Therapy
- Somatic Calming and Relaxation Training
- Acceptance and commitment therapy (ACT)
- Anger Management Counseling
- Bereavement counseling
- Insomnia Treatment (CBT-I)
- Suicide safety planning
Therapy & counseling
- Couples and Family Mental Health Counseling
- Dialectical Behavior Therapy (DBT) Skills
- Cognitive Behavioral Therapy (CBT)
- Exposure and Response Prevention
- Mindfulness-based stress reduction
- Prolonged exposure therapy
- Supportive psychotherapy
Telehealth
- Telepsychiatry
Procedures Most Often Billed to Medicare
169 services · 62 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
24 | As often as other peers in Psychiatric Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
145 | More often than most peers in Psychiatric Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners in Carterville 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Trisha L. Phemister specialize in?
Trisha L. Phemister is a nurse practitioner in Carterville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Where is Trisha L. Phemister located?
Trisha L. Phemister is listed at 308 W Plaza Dr, Carterville, IL 62918. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Trisha L. Phemister's phone number?
The number on file is (618) 985-4344. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Trisha L. Phemister?
Trisha L. Phemister's National Provider Identifier is 1457017063. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Trisha L. Phemister train?
Trisha L. Phemister attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Trisha L. Phemister have?
Trisha L. Phemister has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Trisha L. Phemister do most often?
According to Medicare billing data, Trisha L. Phemister provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Trisha L. Phemister's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Trisha L. Phemister. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.