Dr. Matthew Paul Guillory, MD
- Medicare services, 2024
- 604
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 323
- Hospital affiliations
- 1
- Industry payments
- $3,229
- Practice address
- 1202 S Tyler Street, Covington, LA 70433
- Practice phone
- Call (985) 898-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Guillory's professional email, personal email and mobile number
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Dr. Matthew Paul Guillory is an internist in Covington, Louisiana
Dr. Guillory practices at St. Tammany Parish Hospital in Covington, Louisiana, part of St. Tammany Health System.
Dr. Guillory's NPI, 1376867382, was assigned on March 19, 2010. Dr. Guillory graduated from Louisiana State University School of Medicine in New Orleans in 2010. Dr. Guillory holds Louisiana license 204976.
- NPI
- 1376867382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587808415
- NPI enumeration date
- March 19, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (985) 898-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Paul Guillory practices at St. Tammany Parish Hospital in Covington, Louisiana
Dr. Guillory's primary practice is St. Tammany Parish Hospital, at 1202 S Tyler Street, Covington, LA 70433 in St. Tammany Parish. The practice phone is (985) 898-4000.
- St. Tammany Parish Hospital1202 S Tyler Street, Covington, LA 70433 · St. Tammany ParishPhone(985) 898-4000
Source: Dmand AI Affiliation Data
Dr. Matthew Paul Guillory is affiliated with 2 sites of care and 1 medical group
Dr. Guillory's primary practice is St. Tammany Parish Hospital in Covington, Louisiana, part of St. Tammany Health System. The medical group on file is St. Tammany Physicians Network. Dmand AI also links Dr. Guillory to 1 more clinical lab, named with a free account. Dr. Guillory's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Paul Guillory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guillory practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Tammany Parish Hospital | Available with a free account |
| +1 more affiliated site | 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 St. Tammany Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matthew Paul Guillory is one of 1,571 internists in Louisiana
Internal medicine is Dr. Guillory's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Guillory is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Dr. Guillory
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. Matthew Paul Guillory billed Medicare for 604 services in 2024
CMS data shows 604 Medicare services from Dr. Guillory across 3 procedure codes in 2024, for 193 Medicare patients. Medicare paid $41,771 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Guillory's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5602024: 6048%
Dr. Guillory compared with the Louisiana median for internists, 2024
- Dr. Guillory
- Louisiana median
- Medicare services
- 604vs 42143% above
- Medicare patients
- 193vs 16021% above
- Part D claims
- 89vs 40878% below
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. Guillory'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. Guillory and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Paul Guillory treated 193 Medicare patients in 2024, average age 78
CMS counts 193 Medicare patients who saw Dr. Guillory in 2024. The largest group is 75 to 84, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.26, 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. Guillory's median patient age at 69, with 53% women.
Dr. Guillory's Medicare patients by age, 2024
Dr. Guillory's Medicare patients by sex, 2024
- Women10353%
- Men9047%
Chronic conditions among Dr. Guillory's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Ischemic heart disease60%
- Chronic kidney disease54%
- Heart failure49%
- Mood disorders49%
- Depression46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guillory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Paul Guillory wrote 323 Medicare Part D claims in 2024
In 2024, Dr. Guillory wrote 323 Medicare Part D claims for 167 patients. 89% of them were for generic drugs. CMS names the drug for 89 of them, across 6 drugs with 11 or more claims each, at $388 in total drug cost. In 2023, CMS named 94 claims across 6 drugs.
Dr. Guillory's Part D claims by kind of drug, 2024
- Generic287 claims89%
- Brand-name and other36 claims11%
Dr. Guillory'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. Guillory's Part D claims, 2024
- Opioids6%20 of 323 claims
- Antibiotics25%82 of 323 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: 942024: 895%
Drugs named by CMS: 6 in 2024, 6 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. Matthew Paul Guillory takes part in Medicare
Dr. Guillory 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. Matthew Paul Guillory received $3,229 in industry payments from 2016 to 2025
CMS Open Payments shows 180 general payments to Dr. Guillory from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $676.
General payments to Dr. Guillory by program year, 2016 to 2025
Companies that paid Dr. Guillory the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Paul Guillory graduated from Louisiana State University School of Medicine in New Orleans
Dr. Guillory graduated from Louisiana State University School of Medicine in New Orleans in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Paul Guillory'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. Matthew Paul Guillory
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. Matthew Paul Guillory's NPI number?
Dr. Matthew Paul Guillory's NPI number is 1376867382. It was assigned on March 19, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Paul Guillory?
Dr. Matthew Paul Guillory is an internist in Covington, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Matthew Paul Guillory practice?
Dr. Guillory practices at 1202 S Tyler Street, Covington, LA 70433. Dr. Guillory's primary practice is St. Tammany Parish Hospital in Covington, Louisiana, part of St. Tammany Health System. Dmand AI also links Dr. Guillory to 1 clinical lab.
What is Dr. Matthew Paul Guillory's office phone number?
The practice phone on file for Dr. Guillory is (985) 898-4000.
What is Dr. Matthew Paul Guillory's medical license number?
Dr. Guillory holds Louisiana license 204976.
Which hospitals is Dr. Matthew Paul Guillory affiliated with?
Dr. Guillory practices at St. Tammany Parish Hospital in Covington, Louisiana.
What medical group is Dr. Matthew Paul Guillory part of?
Dr. Guillory is linked to St. Tammany Physicians Network.
Does Dr. Matthew Paul Guillory accept Medicare?
Yes. CMS data shows Dr. Guillory billed Medicare for 604 services in 2024, and Dr. Guillory accepts Medicare assignment.
How many Medicare patients does Dr. Matthew Paul Guillory see?
CMS counts 193 Medicare patients who saw Dr. Guillory in 2024, with an average age of 78.
What services does Dr. Matthew Paul Guillory bill to Medicare?
In 2024, Dr. Guillory'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 Dr. Matthew Paul Guillory go to medical school?
Dr. Guillory graduated from Louisiana State University School of Medicine in New Orleans in 2010.
What drugs does Dr. Matthew Paul Guillory prescribe most?
In 2024 Medicare Part D data, Dr. Guillory's most prescribed drugs by claims were Pantoprazole Sodium, Prednisone and Ciprofloxacin HCl.
Has Dr. Matthew Paul Guillory received payments from drug or device companies?
CMS Open Payments shows $3,229 in general payments to Dr. Guillory from 21 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Matthew Paul Guillory been practicing?
Dr. Guillory graduated from medical school in 2010, 16 years ago.
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