Doctor profile · Federal record

Dr. Mark Zielinski, M.D.

Psychiatry Physician (CMS: Psychiatry) · Mental Health Counselor · Geriatric Psychiatry Physician · Baton Rouge, LA

  • NPI 1194875625
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5131 Odonovan Dr, Ste. 300
Baton Rouge, LA 708084782
(225) 374-0400
fax (225) 374-0430
Additional location
433 Plaza St
Bogalusa, LA 704273729
(985) 730-7152
fax (985) 730-7159

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 16, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Louisiana #09052R
Medicaid (2)
MS #08926398 · LA #1931268

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194875625. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
142
Distinct HCPCS
2
Medicare allowed
$18,380
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 115 59 $120
99215 Established patient office or other outpatient visit, 40-54 minutes 27 18 $169

In context: peer comparison

Among 14 peers in this city , average services per provider: 118. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, Inc. 1 $14.33

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,231
Patients
221
Total drug cost
$48,477
Drug Type Claims Patients Total cost
Duloxetine Hcl Generic 173 28 $2,850
Lamotrigine Generic 140 31 $2,282
Bupropion Xl (Bupropion Hcl) Brand 115 26 $2,805
Quetiapine Fumarate Generic 99 25 $2,380
Sertraline Hcl Generic 96 24 $686
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 94 23 $3,841
Trazodone Hcl Generic 94 23 $2,312
Clonazepam Generic 73 14 $452
Escitalopram Oxalate Generic 68 16 $975
Diazepam Generic 52 0 $332

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Zielinski's medical specialty?
Dr. Mark Zielinski practices Psychiatry Physician in Baton Rouge, LA.
Where does Dr. Mark Zielinski practice?
Dr. Mark Zielinski practices at 5131 Odonovan Dr, Baton Rouge, LA 708084782. Office phone: 2253740400.
What is Dr. Mark Zielinski's NPI?
Dr. Mark Zielinski's National Provider Identifier (NPI) is 1194875625, issued by NPPES.
Does Dr. Mark Zielinski accept Medicare assignment?
Yes. Dr. Mark Zielinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Zielinski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.