Mark Henry Zielinski, M.D.
Psychiatry Physician · Baton Rouge, LA
Mark Henry Zielinski, M.D. is a psychiatry physician with a practice address in Baton Rouge, Louisiana, and NPI 1194875625, issued on Jan 10, 2007. Check the license (Louisiana 09052R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Henry Zielinski
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 09052R LA
Self-reported in NPPES; status is on the state search - Practice location
- 5131 Odonovan Dr, Baton Rouge, LA 70808
- Phone
- (225) 374-0400
- Enumerated
- Jan 10, 2007
- Record last updated
- Feb 16, 2022
- Fax
- (225) 374-0430
- Medicaid IDs
- 08926398 MS
1931268 LA - Medicare enrollment
- Enrolled (PECOS I20090709000280); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 583 in Louisiana → Look up another NPI →
Also registered at 5131 Odonovan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Bokun, P.N.P.Pediatric Nurse Practitioner1356340038
- Elizabeth Casselberry, NPPsychiatric/Mental Health Nurse Practitioner1497124325
- Kathleen Crapanzano, M.D.Psychiatry Physician1144373390
- Allison DillardPharmacist1013515394
- Aimee Ferrell, MDPediatrics Physician1881614824
- Joseph Grizzaffi, M.D.Child & Adolescent Psychiatry Physician1013064732
Verify Mark Henry Zielinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 09052RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average psychiatry physician in 2024
2,151 Medicare Part D claims for 145 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Duloxetine Hcl180 claims
- Lamotrigine164 claims
- Quetiapine Fumarate135 claims
- Dextroamphetamine-Amphetamine126 claims
- Sertraline Hcl120 claims
- Bupropion Xl111 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14.33
1 payment: food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Our Lady OF The Lake Physician Group LLCBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Henry Zielinski among 583 psychiatry physician records in Louisiana
Mark Henry Zielinski, M.D. is one of 583 psychiatry physician records with a practice address in Louisiana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1985 · median 2005 among the 279 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Louisiana
There are 583 psychiatry physician records in Louisiana.
All 583 in Louisiana → Every provider in Baton Rouge → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Elodie Braud, M.D.Baton Rouge, LA 708081699735548
- Renee Bruno, M.D.Baton Rouge, LA 708081144298522
- Kathleen Crapanzano, M.D.Baton Rouge, LA 708081144373390
- John Deback, M.D.Baton Rouge, LA 708081689674053
- Gerald Heintz, MDBaton Rouge, LA 708081265521579
- Zahid Imran, M.D.Baton Rouge, LA 708081477645836
- Erik Kinzie, M.D.Baton Rouge, LA 708081073539862
- Gopinath Kongara, M.D.Baton Rouge, LA 708081134161532
Common questions
What is Mark Henry Zielinski, M.D.'s NPI number?
Mark Henry Zielinski, M.D.'s National Provider Identifier (NPI) is 1194875625, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Henry Zielinski, M.D. located?
The NPPES record lists a practice address at 5131 Odonovan Dr, Baton Rouge, LA, 70808. Phone: (225) 374-0400. Providers update this record themselves, so call before visiting.
How can I verify Mark Henry Zielinski, M.D.'s license?
NPPES lists Louisiana license number 09052R, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Henry Zielinski, M.D. prescribe under Medicare Part D?
In 2024, Mark Henry Zielinski, M.D. had 2,151 Medicare Part D claims for 145 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.