Marcus Samuel Davis, MD
Family Medicine Physician · Metairie, LA
Marcus Samuel Davis, MD is a family medicine physician with a practice address in Metairie, Louisiana, and NPI 1245973122, issued on Apr 18, 2022. Check the license (Louisiana 342909, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marcus Samuel Davis
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 342909 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2005 Veterans Memorial Blvd, Metairie, LA 70002
- Phone
- (504) 842-3000
- Enumerated
- Apr 18, 2022
- Record last updated
- Oct 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20250807003595); 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 2005 Veterans Memorial Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marcus Samuel Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 342909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average family medicine physician in 2024
1,175 Medicare Part D claims for 157 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium90 claims
- Gabapentin50 claims
- Albuterol Sulfate Hfa49 claims
- Amlodipine Besylate49 claims
- Metformin Hcl48 claims
- Rosuvastatin Calcium45 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: $14.81
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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
- Ochsner Clinic LLCMetairie, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcus Samuel Davis among 1,728 family medicine physician records in Louisiana
Marcus Samuel Davis, MD 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2021 · median 2006 among the 1,201 with a school on file
- Record last updated2025 · 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).
66 family medicine physician records list a practice address in Metairie
They are 66 of the 5,682 NPPES records with a practice address in Metairie, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Metairie → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Leandro Area, MDMetairie, LA 700021972560977
- Michael Berger, MDMetairie, LA 700021386003911
- Michael Davis, MDMetairie, LA 700021629061726
- Dung Hoang, MDMetairie, LA 700021902858962
- Charlie Le, M.D.Metairie, LA 700021811152465
- Tai NguyenMetairie, LA 700021275823916
- Dung Tran, MDMetairie, LA 700021386644342
- Vivian Vu, M.D.Metairie, LA 700021952578106
Common questions
What is Marcus Samuel Davis, MD's NPI number?
Marcus Samuel Davis, MD's National Provider Identifier (NPI) is 1245973122, issued on Apr 18, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Samuel Davis, MD located?
The NPPES record lists a practice address at 2005 Veterans Memorial Blvd, Metairie, LA, 70002. Phone: (504) 842-3000. Providers update this record themselves, so call before visiting.
How can I verify Marcus Samuel Davis, MD's license?
NPPES lists Louisiana license number 342909, 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 Marcus Samuel Davis, MD prescribe under Medicare Part D?
In 2024, Marcus Samuel Davis, MD had 1,175 Medicare Part D claims for 157 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.