Physician Profile
Jennifer J. O'Brien, M.D., PhD
Unclaimed ProfileAbout Dr. O'brien
Jennifer J. O'Brien, M.D., PhD is a healthcare provider in New Orleans, LA specializing in anatomic & clinical pathology. Jennifer is also listed as specializing in pathology — clinical. Medicare claims data shows Jennifer provided 110 services to 61 patients. The services billed most often include mechanical separation of plasma from blood and blood bank physician services for cross match and/or evaluation and written report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (504) 842-3330
- Email not available
Practice Locations
1514 JEFFERSON HWY
New Orleans, LA 70121
4500 San Pablo Rd S
Jacksonville, FL 32224
Conditions Evaluated or Diagnosed
Within Anatomic & Clinical Pathology 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
Autoimmune & Joint
Blood cancer
Blood chemistry
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Hemochromatosis
- High White Blood Cell Count
- Iron-deficiency anemia
Blood disorders
Cancer & Tumors
- Breast Cancer Biopsy Findings
- Leukemia
- Lipoma
- Prostate Cancer Biopsy Results
- Suspicious Lung Spot
- Swollen Lymph Nodes
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
- Abnormal Liver Enzymes
- Celiac disease
- H. pylori infection
- Inflammatory bowel disease
- Precancerous Colon Polyps
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Procedures & services
Biopsy & Tissue Testing
- Bone Marrow Biopsy Testing
- Colon Polyp Biopsy Examination
- Fine Needle Aspiration Biopsy
- Frozen Section During Surgery
- Skin Biopsy Lab Review
- Special Tissue Staining
- Thyroid Biopsy Examination
Blood chemistry
Cancer & Genetic Testing
- Chromosome And Genetic Testing
- Flow Cytometry Test
- Liquid Biopsy
- Tumor Biomarker Testing
- Tumor Marker Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
- Blood Culture Test
- Colon cancer screening consult
- H. Pylori Breath Test
- STI and STD Screening
- Urine sediment test
Infectious disease
Inflammation testing
Pathology Consultations
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
- Blood Clotting Test
- Cholesterol screening
- Hemoglobin A1c Test
- Kidney Function Blood Test
- Liver Function Blood Test
- Routine blood work
- Thyroid Blood Test
Specialty Lab Panels
- Allergy Blood Testing
- Autoimmune Blood Panel
- Celiac Disease Blood Test
- Urine Drug Screen
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
Procedures Most Often Billed to Medicare
110 services · 61 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Mechanical separation of plasma from blood | Procedure | 36514 |
60 | More often than most peers in Anatomic & Clinical Pathology |
| Blood bank physician services for cross match and/or evaluation and written report | Lab test | 86077 |
50 | More often than most peers in Anatomic & Clinical Pathology |
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.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anatomic & clinical pathology specialists in New Orleans 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 10 related providers in 2 groups
Class of 2007 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Mechanical separation of plasma from blood 2
Providers in LA who bill this service to Medicare most often.
Common questions
What does Jennifer J. O'Brien, M.D. specialize in?
Jennifer J. O'Brien, M.D. is an anatomic & clinical pathology in New Orleans, LA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Jennifer J. O'Brien, M.D. located?
Jennifer J. O'Brien, M.D. is listed at 1514 Jefferson Hwy, New Orleans, LA 70121. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jennifer J. O'Brien, M.D.'s phone number?
The number on file is (504) 842-3330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Jennifer J. O'Brien, M.D.?
Jennifer J. O'Brien, M.D.'s National Provider Identifier is 1710131131. 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 Jennifer J. O'Brien, M.D. train?
Jennifer J. O'Brien, M.D. attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jennifer J. O'Brien, M.D. have?
Jennifer J. O'Brien, M.D. has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Jennifer J. O'Brien, M.D. do most often?
According to Medicare billing data, Jennifer J. O'Brien, M.D. performs procedures including mechanical separation of plasma from blood, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jennifer J. O'Brien, M.D.'s profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jennifer J. O'Brien, M.D.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.