Leigh Soule Mahlum, MD
Obstetrics & Gynecology Physician · Gretna, LA
Leigh Soule Mahlum, MD is an obstetrics & gynecology physician with a practice address in Gretna, Louisiana, and NPI 1063973519, issued on Mar 27, 2019. Check the license (Louisiana 336512, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leigh Soule Mahlum
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 336512 LA
Self-reported in NPPES; status is on the state search - Practice location
- 515 Westbank Expy, Gretna, LA 70053
- Phone
- (504) 366-7233
- Enumerated
- Mar 27, 2019
- Record last updated
- Aug 14, 2023
- Fax
- (504) 362-5529
- Medicare enrollment
- Enrolled (PECOS I20230828003298); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 659 in Louisiana → Look up another NPI →
Also registered at 515 Westbank Expy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Bigelow, MDObstetrics & Gynecology Physician1063602506
- Elizabeth Blanton, MDObstetrics & Gynecology Physician1740256106
- Maggie Cahill, MDObstetrics & Gynecology Physician1548729718
- Sergio Castillo, MDObstetrics & Gynecology Physician1043286347
- Stacey Clasen, M.D.Obstetrics & Gynecology Physician1821042607
- Geoffrey Gillen, M.D.Obstetrics & Gynecology Physician1487717864
Verify Leigh Soule Mahlum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 336512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
107 Medicare Part D claims for 50 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol27 claims
- Alendronate Sodium11 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.
The MIPS final score for 2023 (Medicare payment program): 96.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $99.54
6 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- New Orleans Physician Services IncMarrero, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leigh Soule Mahlum among 659 obstetrics & gynecology physician records in Louisiana
Leigh Soule Mahlum, MD is one of 659 obstetrics & gynecology physician records with a practice address in Louisiana. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.
- NPI issued2019 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2004 among the 436 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 obstetrics & gynecology physician records list a practice address in Gretna
They are 20 of the 770 NPPES records with a practice address in Gretna, and 659 obstetrics & gynecology physician records in Louisiana.
All 659 in Louisiana → Every provider in Gretna → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mark Allen, MDGretna, LA 700531265508410
- Jennifer Bigelow, MDGretna, LA 700531063602506
- Elizabeth Blanton, MDGretna, LA 700531740256106
- Maggie Cahill, MDGretna, LA 700531548729718
- Sergio Castillo, MDGretna, LA 700531043286347
- Stacey Clasen, M.D.Gretna, LA 700531821042607
- Geoffrey Gillen, M.D.Gretna, LA 700531487717864
- Jeanne Hutchinson, M.D.Gretna, LA 700531962436352
Common questions
What is Leigh Soule Mahlum, MD's NPI number?
Leigh Soule Mahlum, MD's National Provider Identifier (NPI) is 1063973519, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Leigh Soule Mahlum, MD located?
The NPPES record lists a practice address at 515 Westbank Expy, Gretna, LA, 70053. Phone: (504) 366-7233. Providers update this record themselves, so call before visiting.
How can I verify Leigh Soule Mahlum, MD's license?
NPPES lists Louisiana license number 336512, 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 Leigh Soule Mahlum, MD prescribe under Medicare Part D?
In 2024, Leigh Soule Mahlum, MD had 107 Medicare Part D claims for 50 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Leigh Soule Mahlum, MD's MIPS final score?
The 2023 MIPS final score is 96.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.