Stephen W. Baker, MD
Internal Medicine Physician · Slidel, LA
Stephen W. Baker, MD is an internal medicine physician with a practice address in Slidel, Louisiana, and NPI 1013011303, issued on Sep 8, 2006. Check the license (Louisiana 321454, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Stephen W. Baker
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 321454 LA
12640 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1051 Gause Blvd, Slidel, LA 70458
- Phone
- (985) 641-7577
- Enumerated
- Sep 8, 2006
- Record last updated
- May 3, 2023
- Fax
- (985) 643-0826
- Medicaid ID
- 0012038 MS
- Medicare enrollment
- Enrolled (PECOS I20210714002755); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Verify Stephen W. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 321454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,824 Medicare Part D claims for 502 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Amlodipine Besylate241 claims
- Eliquis195 claims
- Metoprolol Succinate184 claims
- Atorvastatin Calcium178 claims
- Jardiance164 claims
- Spironolactone132 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: $992.33
45 payments; by number, the most common kind was food and beverage; the largest payer was CVRx, 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
- Ochsner Clinic LLCSlidell, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen W. Baker among 1,749 internal medicine physician records in Louisiana
Stephen W. Baker, 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
- Graduated1983 · median 2008 among the 1,216 with a school on file
- Record last updated2023 · 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).
Internal Medicine Physician providers in Louisiana
There are 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- 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
- Alvin Haynes, MDSlidell, LA 704581356438170
Common questions
What is Stephen W. Baker, MD's NPI number?
Stephen W. Baker, MD's National Provider Identifier (NPI) is 1013011303, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen W. Baker, MD located?
The NPPES record lists a practice address at 1051 Gause Blvd, Slidel, LA, 70458. Phone: (985) 641-7577. Providers update this record themselves, so call before visiting.
How can I verify Stephen W. Baker, MD's license?
NPPES lists Louisiana license number 321454, 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 Stephen W. Baker, MD prescribe under Medicare Part D?
In 2024, Stephen W. Baker, MD had 2,824 Medicare Part D claims for 502 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.