Pathologists (Anatomic & Clinical) in Louisiana
Data updated monthly · Last refresh October 2026
224 Anatomic Pathology & Clinical Pathology providers practice in Louisiana. The largest concentration is in New Orleans. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
224providers
New Orleanstop city
Anatomic Pathology & Clinical Pathology by city in Louisiana
Choose a city to see providers there.
Where Pathologists (Anatomic & Clinical) in Louisiana practice
From CMS Medicare enrollment records covering 97 of the 224 providers listed here (43%). Providers who do not bill Medicare are not included in these figures.
10%solo or small practice (under 10 clinicians)
43%mid-size group (10 to 99)
46%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Pathologists (Anatomic & Clinical) | All clinicians in group | Main city |
| The Delta Pathology Group LLC | 21 | 28 | Shreveport |
| Ochsner Clinic LLC | 19 | 2,845 | New Orleans |
| Pathology Group of Louisiana, A Professional Medical Corp.oration | 15 | 20 | Baton Rouge |
| Lsu Health Sciences Center Shreveport Faculty Group Practice | 10 | 567 | Shreveport |
| Louisiana State University School of Medicine in New Orleans Faculty G | 6 | 445 | New Orleans |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Pathologists (Anatomic & Clinical) affiliated |
| Ochsner Medical Center Acute | New Orleans | Nonprofit | 4 of 5 | 21 |
| Slidell Memorial Hospital | Slidell | Government | 2 of 5 | 17 |
| Ochsner Medical Center - Baton Rouge | Baton Rouge | Nonprofit | 4 of 5 | 16 |
| Ochsner Medical Center-Kenner | Kenner | Nonprofit | 4 of 5 | 16 |
| Lane Regional Medical Center | Zachary | Government | 3 of 5 | 13 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Anatomic Pathology & Clinical Pathology providers in Louisiana
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. George Collins, D.O.Alexandria, LA · No drug or device payments recorded (2025) ·
(318) 769-3219 Dr. Joseph Marrazzo, M.D.Alexandria, LA · No drug or device payments recorded (2025) ·
(318) 769-3219 Dr. Michael Constantinescu, MDAlexandria, LA · $202 in drug and device payments (2025) ·
(318) 445-4236 Dr. Samantha Redfield, M.D.Alexandria, LA · $114 in drug and device payments (2025) ·
(318) 769-3219 Dr. Stephen Norman, M.D.Alexandria, LA · No drug or device payments recorded (2025) ·
(318) 473-9888 Dr. Aimee Goodier, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Alan Hulett, PHDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Aleksandra Sowder, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Amberly Nunez, M.D.Baton Rouge, LA · $118 in drug and device payments (2025) ·
(225) 766-4999 Dr. Anthony Harton, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Beverly Ogden, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Brian Webb, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. David BoudreauxBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Deborah CavalierBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Deidra Long, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 761-5420 Dr. Dorothy Hayden, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 752-2470 Dr. Edgar Cooper, M.DBaton Rouge, LA · $14 in drug and device payments (2025) ·
(225) 766-4999 Dr. Frederick Stromeyer, M.DBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Jennifer Jastram-belcher, MDBaton Rouge, LA · $24 in drug and device payments (2025) ·
(225) 766-4999 Dr. John Simmons, M.D.Baton Rouge, LA · $35 in drug and device payments (2025) ·
(225) 766-4999 Dr. Jonathan Stone, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Junlin Zhang, MD, PHDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Leo Pei, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 752-2470 Dr. Matthew Auten, MD, PHDBaton Rouge, LA · $129 in drug and device payments (2025) ·
(225) 766-4999 Dr. Peggy Polk, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Richard Davis, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 755-4950 Dr. Richard Graham, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Robert KoscickBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Tanya Eichelberger, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Tracy Rauch, M.D.Baton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Vishakha Pardeshi, MBBS; MPHBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. William Bergeron, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 922-7885 Dr. Zarius Drummond, MDBaton Rouge, LA · No drug or device payments recorded (2025) ·
(225) 766-4999 Dr. Gloria Coker, M.D.Covington, LA · No drug or device payments recorded (2025) ·
(985) 892-7130 Dr. Jeffrey Loose, M.D.Covington, LA · No drug or device payments recorded (2025) ·
(985) 898-4097 Dr. Jordan Roberts, M.D.Covington, LA · No drug or device payments recorded (2025) ·
(985) 867-4046 Dr. Kim Kaye, M.D.Covington, LA · No drug or device payments recorded (2025) ·
(985) 867-4046 Dr. Sharon Tomberlin, MDCovington, LA · No drug or device payments recorded (2025) ·
(985) 898-4417 Dr. Todd Leleux, M.D.Crowley, LA · $2,509 in drug and device payments (2025) ·
(888) 950-0844 Dr. Gerard Bertolino, M.D.Houma, LA · No drug or device payments recorded (2025) ·
(985) 868-9300 Dr. Rebecca Boyd Whittemore, MDHouma, LA · No drug or device payments recorded (2025) ·
(985) 873-1335 Dr. Steven Kraus, M.D.Houma, LA · No drug or device payments recorded (2025) ·
(985) 868-9300 Dr. Sudha Pillarisetti, M.D.Houma, LA · No drug or device payments recorded (2025) ·
(985) 868-9300 Dr. Supriya Donthamsetty, D.OHouma, LA · No drug or device payments recorded (2025) ·
(985) 868-9300 Dr. Willard Dalton, MDHouma, LA · No drug or device payments recorded (2025) ·
(985) 873-4141 Dr. Jack Holden, M.D.Jarreau, LA · No drug or device payments recorded (2025) ·
(225) 627-5860 Dr. Alfred Hew, MDKenner, LA · No drug or device payments recorded (2025) ·
(504) 468-8600 Dr. Irma Oliva, M.D.Kenner, LA · No drug or device payments recorded (2025) ·
(504) 464-8024 Dr. William Bivin, M.D.Kenner, LA · No drug or device payments recorded (2025) ·
(504) 464-8643 Dr. Erin Langford, MDLafayette, LA · No drug or device payments recorded (2025) ·
(337) 470-4638 Common questions
How many Anatomic Pathology & Clinical Pathology providers are in Louisiana?There are 224 Anatomic Pathology & Clinical Pathology providers with active NPI records practicing in Louisiana, according to federal NPPES data refreshed monthly.
Which cities in Louisiana have the most Anatomic Pathology & Clinical Pathology providers?New Orleans (54), Shreveport (49), Baton Rouge (28) have the highest concentration of Anatomic Pathology & Clinical Pathology providers in Louisiana.
How many Anatomic Pathology & Clinical Pathology providers in Louisiana received drug or device company payments?55 of 224 Anatomic Pathology & Clinical Pathology providers in Louisiana (25%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Pathologists (Anatomic & Clinical) in Louisiana work in independent practices or large health systems?Among 97 Pathologists (Anatomic & Clinical) in Louisiana enrolled in Medicare, 10% bill through a solo or small practice with fewer than 10 clinicians, 43% through a mid-size group of 10 to 99, and 46% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Pathologists (Anatomic & Clinical) in Louisiana work at?According to CMS facility affiliation records, the Louisiana hospitals where the most Pathologists (Anatomic & Clinical) hold privileges are Ochsner Medical Center Acute in New Orleans; Slidell Memorial Hospital in Slidell; Ochsner Medical Center - Baton Rouge in Baton Rouge.
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