Leonard Christopher Treanor, M.D.
Family Medicine Physician · Hammond, LA
Leonard Christopher Treanor, M.D. is a family medicine physician with a practice address in Hammond, Louisiana, and NPI 1487823506, issued on Feb 22, 2008. Check the license (Louisiana 203457, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leonard Christopher Treanor
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 203457 LA
23274 WV
Self-reported in NPPES; status is on the state search - Practice location
- 42388 Pelican Professional Park, Hammond, LA 70403
- Phone
- (985) 542-6251
- Enumerated
- Feb 22, 2008
- Record last updated
- Apr 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (985) 345-2386
- Medicaid IDs
- 3810012786 WV
000000255773 OH
1091804 LA
7100063680 KY - Medicare enrollment
- Enrolled (PECOS I20100223000307); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 42388 Pelican Professional Park
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Dileo, DPMPrimary Podiatric Medicine Podiatrist1396774824
- Lana Dileo, FNP-CFamily Nurse Practitioner1790344380
- Darren Drummond, MDInternal Medicine Physician1801896360
- Mark Drummond, NPAAdult Health Nurse Practitioner1356462972
Verify Leonard Christopher Treanor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 203457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13.8 times the Medicare Part D claims of the average family medicine physician in 2024
48,811 Medicare Part D claims for 1,168 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 854 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,968 claims
- Pantoprazole Sodium1,803 claims
- Amlodipine Besylate1,443 claims
- Furosemide1,328 claims
- Eliquis1,301 claims
- Levothyroxine Sodium1,201 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $8,182.12
83 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Internal Medicine Clinic OF Tangipahoa, LLCHammond, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Christopher Treanor among 1,728 family medicine physician records in Louisiana
Leonard Christopher Treanor, M.D. is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2005 · median 2006 among the 1,201 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Hammond
They are 22 of the 1,766 NPPES records with a practice address in Hammond, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Hammond → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mark Daunis, MDHammond, LA 704031215992813
- Michael Drapcho, M.D.Hammond, LA 704031316981475
- Michael Dunn, MDHammond, LA 704031326006529
- Claude Gilbreath, M.D.Hammond, LA 704031356324594
- Ted Hudspeth, MDHammond, LA 704031811928112
- Juan Martinez, MDHammond, LA 704031194913335
- Genesa Metcalf, MDHammond, LA 704031548231020
- Christopher Miller, M.D.Hammond, LA 704031396742508
Common questions
What is Leonard Christopher Treanor, M.D.'s NPI number?
Leonard Christopher Treanor, M.D.'s National Provider Identifier (NPI) is 1487823506, issued on Feb 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Christopher Treanor, M.D. located?
The NPPES record lists a practice address at 42388 Pelican Professional Park, Hammond, LA, 70403. Phone: (985) 542-6251. Providers update this record themselves, so call before visiting.
How can I verify Leonard Christopher Treanor, M.D.'s license?
NPPES lists Louisiana license number 203457, 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 Leonard Christopher Treanor, M.D. prescribe under Medicare Part D?
In 2024, Leonard Christopher Treanor, M.D. had 48,811 Medicare Part D claims for 1,168 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Leonard Christopher Treanor, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.