Mary Catherine Gaston
- Medicare services, 2024
- 491
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 442
- Hospital affiliations
- 1
- Industry payments
- $511
- Practice address
- 95 Judge Tanner Blvd, Covington, LA 70433
- Practice phone
- Call (504) 503-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lakeview Regional Medical Center
Covington, Louisiana
Find Mary Gaston's professional email, personal email and mobile number
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Mary Catherine Gaston is an internist in Covington, Louisiana
Mary Gaston practices at Lakeview Regional Medical Center in Covington, Louisiana.
Mary Gaston's NPI, 1467846428, was assigned on March 26, 2015. Mary Gaston graduated from Louisiana State University School of Medicine in Shreveport in 2015. Mary Gaston holds Louisiana license PGY.202806.
- NPI
- 1467846428NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961703558
- NPI enumeration date
- March 26, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (504) 503-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Catherine Gaston practices at Lakeview Regional Medical Center in Covington, Louisiana
Mary Gaston's primary practice is Lakeview Regional Medical Center, at 95 Judge Tanner Blvd, Covington, LA 70433 in Saint Tammany Parish. The practice phone is (504) 503-4000.
- Lakeview Regional Medical Center95 Judge Tanner Blvd, Covington, LA 70433 · Saint Tammany ParishPhone(504) 503-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mary Catherine Gaston is affiliated with 3 sites of care and 1 medical group
Mary Gaston's primary practice is Lakeview Regional Medical Center in Covington, Louisiana. Mary Gaston is also affiliated with East Jefferson General Hospital. The medical group on file is East Jefferson Physicians Group. Dmand AI also links Mary Gaston to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mary Catherine Gaston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Gaston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lakeview Regional Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Catherine Gaston is one of 1,571 internists in Louisiana
Internal medicine is Mary Gaston's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Mary Gaston is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Mary Gaston
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
Mary Catherine Gaston billed Medicare for 491 services in 2024
CMS data shows 491 Medicare services from Mary Gaston across 4 procedure codes in 2024, for 184 Medicare patients. Medicare paid $34,279 for them. Every service was in a facility, such as a hospital, rather than an office.
Mary Gaston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3972024: 47720%
- Other services
- 2023: 02024: 14
Mary Gaston compared with the Louisiana median for internists, 2024
- Mary Gaston
- Louisiana median
- Medicare services
- 491vs 42117% above
- Medicare patients
- 184vs 16015% above
- Part D claims
- 168vs 40859% below
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Mary Gaston'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mary Catherine Gaston treated 184 Medicare patients in 2024, average age 78
CMS counts 184 Medicare patients who saw Mary Gaston in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.41, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Gaston's median patient age at 79, with 57% women.
Mary Gaston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Gaston's Medicare patients by sex, 2024
- Women10457%
- Men8043%
Chronic conditions among Mary Gaston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Chronic kidney disease55%
- Heart failure51%
- Ischemic heart disease51%
- Anxiety48%
- Atrial fibrillation47%
Share of Medicare patients with each condition. A patient can have several.
Mary Gaston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Catherine Gaston wrote 442 Medicare Part D claims in 2024
In 2024, Mary Gaston wrote 442 Medicare Part D claims for 181 patients. 87% of them were for generic drugs. CMS names the drug for 168 of them, across 11 drugs with 11 or more claims each, at $8,673 in total drug cost. In 2023, CMS named 228 claims across 14 drugs.
Mary Gaston's Part D claims by kind of drug, 2024
- Generic384 claims87%
- Brand-name and other58 claims13%
Mary Gaston'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 Mary Gaston's Part D claims, 2024
- Opioids7%31 of 442 claims
- Antibiotics15%67 of 442 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: 2282024: 16826%
Drugs named by CMS: 11 in 2024, 14 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 Mary Catherine Gaston takes part in Medicare
Mary Gaston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Mary Catherine Gaston received $511 in industry payments from 2018 to 2025
CMS Open Payments shows 25 general payments to Mary Gaston from 11 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $122.
General payments to Mary Gaston by program year, 2018 to 2025
Companies that paid Mary Gaston the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mary Catherine Gaston graduated from Louisiana State University School of Medicine in Shreveport
Mary Gaston graduated from Louisiana State University School of Medicine in Shreveport in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mary Catherine Gaston'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (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 Mary Catherine Gaston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Catherine Gaston's NPI number?
Mary Catherine Gaston's NPI number is 1467846428. It was assigned on March 26, 2015, and it is active in the NPI Registry.
What does Mary Catherine Gaston specialize in?
Mary Catherine Gaston is an internist in Covington, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Mary Catherine Gaston practice?
Mary Gaston practices at 95 Judge Tanner Blvd, Covington, LA 70433. Mary Gaston's primary practice is Lakeview Regional Medical Center in Covington, Louisiana. Dmand AI also links Mary Gaston to 1 group practice or clinic.
What is Mary Catherine Gaston's office phone number?
The practice phone on file for Mary Gaston is (504) 503-4000.
What is Mary Catherine Gaston's medical license number?
Mary Gaston holds Louisiana license PGY.202806.
Which hospitals is Mary Catherine Gaston affiliated with?
Mary Gaston is affiliated with East Jefferson General Hospital.
What medical group is Mary Catherine Gaston part of?
Mary Gaston is linked to East Jefferson Physicians Group.
Does Mary Catherine Gaston accept Medicare?
Yes. CMS data shows Mary Gaston billed Medicare for 491 services in 2024, and Mary Gaston accepts Medicare assignment.
How many Medicare patients does Mary Catherine Gaston see?
CMS counts 184 Medicare patients who saw Mary Gaston in 2024, with an average age of 78.
What services does Mary Catherine Gaston bill to Medicare?
In 2024, Mary Gaston's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99223).
Show 4 more questionsShow fewer questions
Where did Mary Catherine Gaston go to medical school?
Mary Gaston graduated from Louisiana State University School of Medicine in Shreveport in 2015.
What drugs does Mary Catherine Gaston prescribe most?
In 2024 Medicare Part D data, Mary Gaston's most prescribed drugs by claims were Metoprolol Succinate, Amlodipine Besylate and Levothyroxine Sodium.
Has Mary Catherine Gaston received payments from drug or device companies?
CMS Open Payments shows $511 in general payments to Mary Gaston from 11 companies from 2018 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Mary Catherine Gaston been practicing?
Mary Gaston graduated from medical school in 2015, 11 years ago.
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