Alvin Sylvester Haynes, MD
Internal Medicine Physician · Slidell, LA
Alvin Sylvester Haynes, MD is an internal medicine physician with a practice address in Slidell, Louisiana, and NPI 1356438170, issued on Oct 5, 2006. Check the license (Louisiana 335283, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Alvin Sylvester Haynes
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 335283 LA
ME137146 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Gause Blvd, Slidell, LA 70458
- Phone
- (985) 280-8742
- Enumerated
- Oct 5, 2006
- Record last updated
- May 21, 2025
- Medicaid ID
- 270776400 FL
- Medicare enrollment
- Enrolled (PECOS I20231122001816); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 1001 Gause Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrea BenefieldCritical Care Neonatal Nurse Practitioner1578122180
Verify Alvin Sylvester Haynes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 335283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average internal medicine physician in 2024
3,977 Medicare Part D claims for 209 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium389 claims
- Metoprolol Tartrate171 claims
- Eliquis170 claims
- Amlodipine Besylate167 claims
- Gabapentin125 claims
- Levothyroxine Sodium123 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.
Bills Medicare through one group practice
- Apogee Medical Group, Louisiana, Inc.Slidell, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alvin Sylvester Haynes among 1,749 internal medicine physician records in Louisiana
Alvin Sylvester Haynes, MD 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
- Graduated1997 · median 2008 among the 1,216 with a school on file
- Record last updated2025 · 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).
39 internal medicine physician records list a practice address in Slidell
They are 39 of the 1,838 NPPES records with a practice address in Slidell, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Slidell → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Baker, MDSlidel, LA 704581013011303
- John Barton, MDSlidell, LA 704581841233095
- Aleta Declouet, M.D.Slidell, LA 704581033163977
- Marie Delvalle-Mahoney, M.D.Slidell, LA 704581972645786
- Peter Galvan, M.D.Slidell, LA 704581609876580
- James Griffee, M.D.Slidell, LA 704581427006055
- Michael Guarisco, M.D.Slidell, LA 704581699830539
- Thomas Hall, M.D.Slidell, LA 704581457349896
Common questions
What is Alvin Sylvester Haynes, MD's NPI number?
Alvin Sylvester Haynes, MD's National Provider Identifier (NPI) is 1356438170, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alvin Sylvester Haynes, MD located?
The NPPES record lists a practice address at 1001 Gause Blvd, Slidell, LA, 70458. Phone: (985) 280-8742. Providers update this record themselves, so call before visiting.
How can I verify Alvin Sylvester Haynes, MD's license?
NPPES lists Louisiana license number 335283, 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 Alvin Sylvester Haynes, MD prescribe under Medicare Part D?
In 2024, Alvin Sylvester Haynes, MD had 3,977 Medicare Part D claims for 209 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.