David J. St Germain, M.D.
Internal Medicine Physician · Metairie, LA
David J. St Germain, M.D. is an internal medicine physician with a practice address in Metairie, Louisiana, and NPI 1124086459, issued on May 3, 2006. Check the license (Louisiana 014799, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David J. St Germain
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 014799 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4224 Houma Blvd, Metairie, LA 70006
- Phone
- (504) 503-6025
- Enumerated
- May 3, 2006
- Record last updated
- Jun 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (504) 503-5201
- Medicaid ID
- 1311847 LA
- Medicare enrollment
- Enrolled (PECOS I20050103000632); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1978
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 4224 Houma Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David J. St Germain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 014799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average internal medicine physician in 2024
12,197 Medicare Part D claims for 757 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 326 claims were for opioids.
Most prescribed
- Atorvastatin Calcium671 claims
- Rosuvastatin Calcium624 claims
- Lisinopril535 claims
- Amlodipine Besylate497 claims
- Metformin Hcl435 claims
- Levothyroxine Sodium413 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: $1,429.35
85 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- East Jefferson Physicians Group LLCMetairie, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David J. St Germain among 1,749 internal medicine physician records in Louisiana
David J. St Germain, M.D. is one of 1,749 internal 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1978 · median 2008 among the 1,216 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 internal medicine physician records list a practice address in Metairie
They are 76 of the 5,682 NPPES records with a practice address in Metairie, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Metairie → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Alden, M.D.Metairie, LA 700061427036656
- Susan Caldwell, MDMetairie, LA 700061528055340
- Bradley Collins, MDMetairie, LA 700061629034541
- Frederick Dantagnan, MDMetairie, LA 700061124091574
- Monty Glorioso, MDMetairie, LA 700061962467191
- Maureen Hecker-Rodriguez, M.D.Metairie, LA 700061861453433
- Van Le, MDMetairie, LA 700061922042860
- Lawrence Levy, MDMetairie, LA 700061043276744
Common questions
What is David J. St Germain, M.D.'s NPI number?
David J. St Germain, M.D.'s National Provider Identifier (NPI) is 1124086459, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David J. St Germain, M.D. located?
The NPPES record lists a practice address at 4224 Houma Blvd, Metairie, LA, 70006. Phone: (504) 503-6025. Providers update this record themselves, so call before visiting.
How can I verify David J. St Germain, M.D.'s license?
NPPES lists Louisiana license number 014799, 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 J. St Germain, M.D. prescribe under Medicare Part D?
In 2024, David J. St Germain, M.D. had 12,197 Medicare Part D claims for 757 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.