David C. Treen, M.D.
Surgery Physician · Marrero, LA
David C. Treen, M.D. is a surgery physician with a practice address in Marrero, Louisiana, and NPI 1235152828, issued on Jul 25, 2006. Check the license (Louisiana 017991, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David C. Treen
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 017991 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Medical Center Blvd, Marrero, LA 70072
- Phone
- (504) 349-6860
- Enumerated
- Jul 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 1342599 LA
- Medicare enrollment
- Enrolled (PECOS I20100209000635); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 432 in Louisiana → Look up another NPI →
Also registered at 1111 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Harris Blackman, M.D.Specialist1629041116
- Jonathan Boraski, M.D.Plastic Surgery Physician1245231612
- William Borron, MDPulmonary Disease Physician1790786861
Verify David C. Treen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 017991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average surgery physician in 2024
169 Medicare Part D claims for 62 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 34 claims were for opioids.
Most prescribed
- Pantoprazole Sodium58 claims
- Mounjaro36 claims
- Hydrocodone-Acetaminophen32 claims
- Ondansetron Odt12 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.
Industry payments in 2024: $348.60
7 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
David C. Treen among 432 surgery physician records in Louisiana
David C. Treen, M.D. is one of 432 surgery 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 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1984 · median 2004 among the 278 with a school on file
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Louisiana
There are 432 surgery physician records in Louisiana.
All 432 in Louisiana → Every provider in Marrero → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Robert Cummiskey, MDMarrero, LA 700721215985213
- Frank Divincenti, M.D.Marrero, LA 700721508861642
- Peter Lundberg, M.D.Marrero, LA 700721619267952
- Vaughn Nossaman, M.D.Marrero, LA 700721114345931
- William Steinhardt, MDMarrero, LA 700721811286610
- Charles Thomas, M.D.Marrero, LA 700721326043084
- Charles McGaff, MDLutcher, LA 700711730116716
- Jennifer Malsbury, D.O.La Place, LA 700681295984961
Common questions
What is David C. Treen, M.D.'s NPI number?
David C. Treen, M.D.'s National Provider Identifier (NPI) is 1235152828, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David C. Treen, M.D. located?
The NPPES record lists a practice address at 1111 Medical Center Blvd, Marrero, LA, 70072. Phone: (504) 349-6860. Providers update this record themselves, so call before visiting.
How can I verify David C. Treen, M.D.'s license?
NPPES lists Louisiana license number 017991, 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 David C. Treen, M.D. prescribe under Medicare Part D?
In 2024, David C. Treen, M.D. had 169 Medicare Part D claims for 62 beneficiaries; the average among surgery physician prescribers was 147. 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.