Mark Henry Zielinski, M.D.

Psychiatry Psychiatry & Neurology

Mark Henry Zielinski is a Psychiatry Psychiatry & Neurology specialist based in Baton Rouge, LA with over 41 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: GERIATRIC PSYCHIATRY

(225) 374-0400Baton Rouge, LA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Mark Henry Zielinski, M.D. has been part of the Baton Rouge medical community since 2007 in group practice. A University of Texas Medical School at Houston graduate since 1985, he brings 41+ years of experience. He regularly sees Medicare patients with anxiety, mood disorders, and high cholesterol (per CMS claims data).

At a glance

  • Uses generic medications more than 80% of reporting doctors in Louisiana
  • Virtual visits available — no app or travel required
1 of 94 Psychiatry & Neurology providers in LASee all Psychiatry & Neurology in Baton Rouge41+ years experienceNPI since 2007

Older · 1557dNPPES updated 2022-02-16 · verify NPI on CMS · Verify license at Louisiana State Board of Medical Examiners

Contact & Location

Practice Location

5131 Odonovan Dr Ste. 300, Baton Rouge, LA 70808-4782

Fax: (225) 374-0430
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

Generic Rx

↑ Higher = better

91.7%

Louisiana avg: 83.2 · US avg: 82.8

Higher than most doctors nationally(+8.9 pts)

Better than 80% of reporting doctors in Louisiana

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

64

Unique beneficiaries

Standard volume

Prescription Recipients

128

Patients prescribed

Prescriptions Written

1,802

Total claims

Total Medicare drug cost: $137k

Percentile rankings compared against 231 reporting peers in Louisiana.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Anxiety Disorders, Mood Disorders, and High Cholesterol.

Anxiety Disorders
Higher than avg (+41%)75%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+41%) — a focus area for this doctor

Mood Disorders
75%

Conditions affecting emotional state, including depression and bipolar disorder

High Cholesterol
Lower than avg (-7%)63%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-7%) — less common here

Depression
Higher than avg (+29%)61%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↑ More patients than average (+29%) — a focus area for this doctor

Hypertension
Lower than avg (-12%)58%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-12%) — less common here

Arthritis
Lower than avg (-2%)47%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-2%) — less common here

ADHD
39%

Attention Deficit Hyperactivity Disorder — difficulty focusing, hyperactivity, and impulsivity

Bipolar Disorder
38%

A condition with extreme mood swings between emotional highs and lows

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$14 received from industry

1 transaction reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Mark Henry Zielinski's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1985

    Mcgovern Medical School at Uthealth Houston

  2. Board certified · Feb 15, 2022

    Self-reported via NPPES

  3. 41 years in practice

    Senior practitioner

Psychiatry & NeurologyAllopathic & Osteopathic Physicians

Psychiatrists are physicians who diagnose and treat mental health conditions including depression, anxiety disorders, bipolar disorder, schizophrenia, PTSD, and substance use disorders. They can prescribe medications and provide psychotherapy.

Taxonomy: 2084P0800X

Education & Training

University of Texas Medical School at Houston (Class of 1985)

Virtual Psychiatry & Neurology Care With Mark Henry Zielinski

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mark Henry Zielinski for anxiety counseling, mood disorder follow-ups, cholesterol management — no travel to Baton Rouge required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Mark Henry Zielinski

Dr. Zielinski is listed as active in the NPI registry with telehealth listed in Baton Rouge, LA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (225) 374-0400.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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