Dr. Teresa Elizabeth Garrison, MD
- Medicare services, 2024
- 158
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 6,756
- Hospital affiliations
- 1
- Industry payments
- $76
- Practice address
- 1001 Gause Blvd, Slidell, LA 70458
- Practice phone
- Call (985) 643-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Teresa Elizabeth Garrison is an internist in Slidell, Louisiana
Dr. Garrison practices at Slidell Memorial Hospital in Slidell, Louisiana, part of Slidell Memorial Hospital.
Dr. Garrison's NPI, 1760748313, was assigned on April 9, 2012. Dr. Garrison graduated from Medical College of Georgia School of Medicine in 2012. Dr. Garrison holds Louisiana license 301687.
- NPI
- 1760748313NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163716010
- NPI enumeration date
- April 9, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (985) 643-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Teresa Elizabeth Garrison practices at Slidell Memorial Hospital in Slidell, Louisiana
Dr. Garrison's primary practice is Slidell Memorial Hospital, at 1001 Gause Blvd, Slidell, LA 70458 in St. Tammany Parish. The practice phone is (985) 643-2200.
- Slidell Memorial Hospital1001 Gause Blvd, Slidell, LA 70458 · St. Tammany ParishPhone(985) 643-2200
Source: Dmand AI Affiliation Data
Dr. Teresa Elizabeth Garrison is affiliated with 3 sites of care and 3 medical groups
Dr. Garrison's primary practice is Slidell Memorial Hospital in Slidell, Louisiana, part of Slidell Memorial Hospital. The medical group on file is Ochsner Health. Dmand AI also links Dr. Garrison to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Teresa Elizabeth Garrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Garrison practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Slidell Memorial Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Slidell Memorial Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Teresa Elizabeth Garrison is one of 1,571 internists in Louisiana
Internal medicine is Dr. Garrison's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Garrison is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Dr. Garrison
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Teresa Elizabeth Garrison billed Medicare for 158 services in 2024
CMS data shows 158 Medicare services from Dr. Garrison across 7 procedure codes in 2024, for 54 Medicare patients. Medicare paid $8,542 for them. Every service was in an office.
Dr. Garrison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1022024: 6635%
- Other services
- 2023: 372024: 363%
- Surgery
- 2023: 332024: 2233%
- Tests and treatments
- 2023: 472024: 1960%
- Lab and pathology
- 2023: 02024: 15
Dr. Garrison compared with the Louisiana median for internists, 2024
- Dr. Garrison
- Louisiana median
- Medicare services
- 158vs 42162% below
- Medicare patients
- 54vs 16066% below
- Part D claims
- 5,984vs 40814.7 times
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. Garrison's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Garrison and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Teresa Elizabeth Garrison treated 54 Medicare patients in 2024, average age 75
CMS counts 54 Medicare patients who saw Dr. Garrison in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.23, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Garrison's median patient age at 74, with 69% women.
Dr. Garrison's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Garrison's Medicare patients by sex, 2024
- Women4380%
- Men1120%
Chronic conditions among Dr. Garrison's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Diabetes39%
- Mood disorders39%
- Chronic kidney disease37%
- Heart failure37%
- Anxiety35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Garrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Teresa Elizabeth Garrison wrote 6,756 Medicare Part D claims in 2024
In 2024, Dr. Garrison wrote 6,756 Medicare Part D claims for 540 patients. 84% of them were for generic drugs. CMS names the drug for 5,984 of them, across 123 drugs with 11 or more claims each, at $656,109 in total drug cost. In 2023, CMS named 3,621 claims across 100 drugs.
Dr. Garrison's Part D claims by kind of drug, 2024
- Generic5,644 claims84%
- Brand-name1,044 claims15%
- Other68 claims1%
Dr. Garrison's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Garrison's Part D claims, 2024
- Opioids3%219 of 6,756 claims
- Antibiotics2%137 of 6,756 claims
- Antipsychotics, patients 65 and over0%19 of 6,756 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,6212024: 5,98465%
Drugs named by CMS: 123 in 2024, 100 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Teresa Elizabeth Garrison takes part in Medicare
Dr. Garrison accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Teresa Elizabeth Garrison received $76 in industry payments from 2019 to 2025
CMS Open Payments shows 4 general payments to Dr. Garrison from 2 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $62.
General payments to Dr. Garrison by program year, 2019 to 2025
Companies that paid Dr. Garrison the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Teresa Elizabeth Garrison graduated from Medical College of Georgia School of Medicine
Dr. Garrison graduated from Medical College of Georgia School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Teresa Elizabeth Garrison's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Teresa Elizabeth Garrison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Teresa Elizabeth Garrison's NPI number?
Dr. Teresa Elizabeth Garrison's NPI number is 1760748313. It was assigned on April 9, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Teresa Elizabeth Garrison?
Dr. Teresa Elizabeth Garrison is an internist in Slidell, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Teresa Elizabeth Garrison practice?
Dr. Garrison practices at 1001 Gause Blvd, Slidell, LA 70458. Dr. Garrison's primary practice is Slidell Memorial Hospital in Slidell, Louisiana, part of Slidell Memorial Hospital. Dmand AI also links Dr. Garrison to 2 group practices and clinics and 2 medical groups.
What is Dr. Teresa Elizabeth Garrison's office phone number?
The practice phone on file for Dr. Garrison is (985) 643-2200.
What is Dr. Teresa Elizabeth Garrison's medical license number?
Dr. Garrison holds Louisiana license 301687.
Which hospitals is Dr. Teresa Elizabeth Garrison affiliated with?
Dr. Garrison practices at Slidell Memorial Hospital in Slidell, Louisiana.
What medical group is Dr. Teresa Elizabeth Garrison part of?
Dr. Garrison is linked to Ochsner Health. Dmand AI links Dr. Garrison to 2 more medical groups.
Does Dr. Teresa Elizabeth Garrison accept Medicare?
Yes. CMS data shows Dr. Garrison billed Medicare for 158 services in 2024, and Dr. Garrison accepts Medicare assignment.
How many Medicare patients does Dr. Teresa Elizabeth Garrison see?
CMS counts 54 Medicare patients who saw Dr. Garrison in 2024, with an average age of 75.
What services does Dr. Teresa Elizabeth Garrison bill to Medicare?
In 2024, Dr. Garrison's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and infusion or chemotherapy administration (96372).
Show 4 more questionsShow fewer questions
Where did Dr. Teresa Elizabeth Garrison go to medical school?
Dr. Garrison graduated from Medical College of Georgia School of Medicine in 2012.
What drugs does Dr. Teresa Elizabeth Garrison prescribe most?
In 2024 Medicare Part D data, Dr. Garrison's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Amlodipine Besylate.
Has Dr. Teresa Elizabeth Garrison received payments from drug or device companies?
CMS Open Payments shows $76 in general payments to Dr. Garrison from 2 companies from 2019 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Teresa Elizabeth Garrison been practicing?
Dr. Garrison graduated from medical school in 2012, 14 years ago.
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