Katharine Isaacson, MD
Emergency Medicine Physician · Gretna, LA
Katharine Isaacson, MD is an emergency medicine physician with a practice address in Gretna, Louisiana, and NPI 1902485550, issued on Apr 2, 2021. Check the license (Louisiana 341525, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katharine Isaacson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 341525 LA
Self-reported in NPPES; status is on the state search - Practice location
- 120 Ochsner Blvd, Gretna, LA 70056
- Phone
- (504) 371-9355
- Enumerated
- Apr 2, 2021
- Record last updated
- Jul 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20240827002701); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,000 in Louisiana → Look up another NPI →
Also registered at 120 Ochsner Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Abukhader, PA-CPhysician Assistant1962192245
- Christopher Blackstock, M.D., PH.D.Vascular Surgery Physician1235665308
- Muhammad Arslan Asgh Cheema, M.D.Cardiovascular Disease Physician1003360215
- Rizwan Dudekula, M.D.Pulmonary Disease Physician1619383718
- Britney Duplechain, FNPFamily Nurse Practitioner1316543291
- Taylor Farrar, AU.D., CCC-AAudiologist1093438178
Verify Katharine Isaacson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 341525Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average emergency medicine physician in 2024
60 Medicare Part D claims for 46 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Belle Chasse Emergency Group LLCTerrytown, LA
- Kenner Emergency Group LLCKenner, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharine Isaacson among 1,000 emergency medicine physician records in Louisiana
Katharine Isaacson, MD is one of 1,000 emergency medicine physician records with a practice address in Louisiana. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2010 among the 653 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Gretna
They are 19 of the 770 NPPES records with a practice address in Gretna, and 1,000 emergency medicine physician records in Louisiana.
All 1,000 in Louisiana → Every provider in Gretna → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John 'Jay' Brown, MDGretna, LA 700561346283983
- Karen Cockerham, M.D.Gretna, LA 700561912941048
- John Krieg, M.D.Gretna, LA 700561972720381
- Jamie Kuo, MDTerrytown, LA 700561255530895
- John Langley, M.D.Gretna, LA 700561255374781
- Edward O'Brien, MDTerrytown, LA 700561972546521
- Charles Ochello, M.D.Gretna, LA 700561467643494
- Nikolaos Psomas, MDGretna, LA 700561881649820
Common questions
What is Katharine Isaacson, MD's NPI number?
Katharine Isaacson, MD's National Provider Identifier (NPI) is 1902485550, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Isaacson, MD located?
The NPPES record lists a practice address at 120 Ochsner Blvd, Gretna, LA, 70056. Phone: (504) 371-9355. Providers update this record themselves, so call before visiting.
How can I verify Katharine Isaacson, MD's license?
NPPES lists Louisiana license number 341525, 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 Katharine Isaacson, MD prescribe under Medicare Part D?
In 2024, Katharine Isaacson, MD had 60 Medicare Part D claims for 46 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.