Teresa Elizabeth Garrison, M.D.
Internal Medicine Physician · Slidell, LA
Teresa Elizabeth Garrison, M.D. is an internal medicine physician with a practice address in Slidell, Louisiana, and NPI 1760748313, issued on Apr 9, 2012. Check the license (Louisiana 301687, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Teresa Elizabeth Garrison
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 301687 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Gause Blvd Ste C4, Slidell, LA 70458
- Phone
- (985) 288-6419
- Enumerated
- Apr 9, 2012
- Record last updated
- Mar 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20160816000642); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 1300 Gause Blvd Ste C4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shantel Batiste, NPFamily Nurse Practitioner1700347531
- Nerissa Christian, FNP-CFamily Nurse Practitioner1689105009
- Michael Guarisco, M.D.Internal Medicine Physician1699830539
- Melina Sapida, D.O.Family Medicine Physician1780881904
- Nichole Turner, FNP-BCFamily Nurse Practitioner1548900814
Verify Teresa Elizabeth Garrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 301687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,756 Medicare Part D claims for 540 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 219 claims were for opioids.
Most prescribed
- Atorvastatin Calcium284 claims
- Gabapentin233 claims
- Amlodipine Besylate214 claims
- Levothyroxine Sodium185 claims
- Losartan Potassium185 claims
- Rosuvastatin Calcium182 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: $46.83
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Centerwell Senior Primary Care LA PCShreveport, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Teresa Elizabeth Garrison among 1,749 internal medicine physician records in Louisiana
Teresa Elizabeth Garrison, 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 2012, is newer than 61% of them.
- NPI issued2012 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2012 · median 2008 among the 1,216 with a school on file
- Record last updated2026 · 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 Teresa Elizabeth Garrison, M.D.'s NPI number?
Teresa Elizabeth Garrison, M.D.'s National Provider Identifier (NPI) is 1760748313, issued on Apr 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Teresa Elizabeth Garrison, M.D. located?
The NPPES record lists a practice address at 1300 Gause Blvd Ste C4, Slidell, LA, 70458. Phone: (985) 288-6419. Providers update this record themselves, so call before visiting.
How can I verify Teresa Elizabeth Garrison, M.D.'s license?
NPPES lists Louisiana license number 301687, 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 Teresa Elizabeth Garrison, M.D. prescribe under Medicare Part D?
In 2024, Teresa Elizabeth Garrison, M.D. had 6,756 Medicare Part D claims for 540 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.