Marissa D. Guidry, FNP-C
- Medicare patients, 2024
- 590
- Part D claims, 2024
- 2,101
- Hospital affiliations
- 3
- Industry payments
- $732
- Medical groups
- 2
- Practice address
- 1214 Coolidge Avenue, Lafayette, LA 70503
- Practice phone
- Call (337) 289-7991
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Marissa Guidry's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Marissa D. Guidry is a family nurse practitioner in Lafayette, Louisiana
Marissa Guidry practices at Ochsner Lafayette General Medical Center in Lafayette, Louisiana, part of Ochsner Health System.
Marissa Guidry's NPI, 1265864599, was assigned on August 9, 2013. Marissa Guidry holds Louisiana license AP07367.
- NPI
- 1265864599NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810123577
- NPI enumeration date
- August 9, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (337) 289-7991
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marissa D. Guidry practices at Ochsner Lafayette General Medical Center in Lafayette, Louisiana
Marissa Guidry's primary practice is Ochsner Lafayette General Medical Center, at 1214 Coolidge Avenue, Lafayette, LA 70503 in Lafayette Parish. The practice phone is (337) 289-7991.
- Ochsner Lafayette General Medical Center1214 Coolidge Avenue, Lafayette, LA 70503 · Lafayette ParishPhone(337) 289-7991
Source: Dmand AI Affiliation Data
Marissa D. Guidry is affiliated with 5 sites of care and 2 medical groups
Marissa Guidry's primary practice is Ochsner Lafayette General Medical Center in Lafayette, Louisiana, part of Ochsner Health System. Marissa Guidry is also affiliated with Ochsner University Hospital & Clinics. The medical group on file is Family Health Plaza. Dmand AI also links Marissa Guidry to 1 more hospital, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marissa D. Guidry's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Guidry practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ochsner Lafayette General Medical Center | Available with a free account |
| +4 more sites and 1 medical group | 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 Ochsner Health System and 6.2K+ hospitals, with verified contacts in the same login.
Marissa D. Guidry is one of 3,703 family nurse practitioners in Louisiana
Family is Marissa Guidry's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Marissa Guidry is licensed in Louisiana.
Specialties and state licenses
- Family nurse practitioner, LouisianaPrimary
Family nurse practitioners near Marissa Guidry
Counts of family nurse practitioners 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
Marissa D. Guidry treated 590 Medicare patients in 2024, average age 76
CMS counts 590 Medicare patients who saw Marissa Guidry in 2024. The largest group is 65 to 74, with 256 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marissa Guidry's median patient age at 66, with 61% women.
Marissa Guidry's Medicare patients by age, 2024
Marissa Guidry's Medicare patients by sex, 2024
- Women38064%
- Men21036%
Chronic conditions among Marissa Guidry's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease37%
- Anxiety30%
- Diabetes26%
- Atrial fibrillation24%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Marissa Guidry's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marissa D. Guidry wrote 2,101 Medicare Part D claims in 2024
In 2024, Marissa Guidry wrote 2,101 Medicare Part D claims for 620 patients. 86% of them were for generic drugs.
Marissa Guidry's Part D claims by kind of drug, 2024
- Generic1,817 claims86%
- Brand-name271 claims13%
- Other13 claims1%
Drug classes CMS tracks in Marissa Guidry's Part D claims, 2024
- Opioids1%30 of 2,101 claims
- Antibiotics8%174 of 2,101 claims
- Antipsychotics, patients 65 and over1%17 of 2,101 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marissa D. Guidry offers telehealth to Medicare patients
Marissa Guidry accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Marissa Guidry as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Marissa D. Guidry received $732 in industry payments in 2025
CMS Open Payments shows 42 general payments to Marissa Guidry from 19 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $113.
Companies that paid Marissa Guidry the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Marissa D. Guidry'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 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 (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) |
| 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 Marissa D. Guidry
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marissa D. Guidry's NPI number?
Marissa D. Guidry's NPI number is 1265864599. It was assigned on August 9, 2013, and it is active in the NPI Registry.
What does Marissa D. Guidry specialize in?
Marissa D. Guidry is a family nurse practitioner in Lafayette, Louisiana. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Marissa D. Guidry practice?
Marissa Guidry practices at 1214 Coolidge Avenue, Lafayette, LA 70503. Marissa Guidry's primary practice is Ochsner Lafayette General Medical Center in Lafayette, Louisiana, part of Ochsner Health System. Dmand AI also links Marissa Guidry to 1 hospital, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Marissa D. Guidry's office phone number?
The practice phone on file for Marissa Guidry is (337) 289-7991.
What is Marissa D. Guidry's medical license number?
Marissa Guidry holds Louisiana license AP07367.
Which hospitals is Marissa D. Guidry affiliated with?
Marissa Guidry practices at Ochsner Lafayette General Medical Center in Lafayette, Louisiana. Marissa Guidry is also affiliated with Ochsner University Hospital & Clinics. Dmand AI links Marissa Guidry to 1 more hospital.
What medical group is Marissa D. Guidry part of?
Marissa Guidry is linked to Family Health Plaza. Dmand AI links Marissa Guidry to 1 more medical group.
Does Marissa D. Guidry accept Medicare?
Yes. CMS lists Marissa Guidry as accepting Medicare assignment.
Does Marissa D. Guidry offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Marissa Guidry as offering telehealth services.
How many Medicare patients does Marissa D. Guidry see?
CMS counts 590 Medicare patients who saw Marissa Guidry in 2024, with an average age of 76.
Has Marissa D. Guidry received payments from drug or device companies?
CMS Open Payments shows $732 in general payments to Marissa Guidry from 19 companies from 2025 to 2025. The largest total came from AtriCure, Inc.
How long has Marissa D. Guidry been practicing?
Marissa Guidry graduated from medical school in 2013, 13 years ago.
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