Mari E. Welch, APN
- Industry payments
- $17
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 1600 Rockland Rd, Wilmington, DE 19803
- Practice phone
- Call (302) 651-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Mari Welch'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.
Mari E. Welch is a pediatric nurse practitioner in Wilmington, Delaware
Mari Welch practices with Bayhealth, a medical group.
Mari Welch's NPI, 1538433479, was assigned on February 23, 2012. Mari Welch holds Delaware license LJ0000273.
- NPI
- 1538433479NPI Registry (opens in a new tab)
- NPI enumeration date
- February 23, 2012
- NPI status
- Active
- Practice phone
- (302) 651-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Mari E. Welch's practice address is in Wilmington, Delaware
Mari Welch's practice address in the NPI Registry is 1600 Rockland Rd, Wilmington, DE 19803. The practice phone is (302) 651-4200.
- NPI Registry address1600 Rockland Rd, Wilmington, DE 19803Phone(302) 651-4200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mari E. Welch is affiliated with 1 medical group
Mari Welch is part of Bayhealth, a medical group in Dover, Delaware.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mari E. Welch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mari Welch practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bayhealth | 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 Bayhealth and 6.2K+ hospitals, with verified contacts in the same login.
Mari E. Welch is one of 63 pediatric nurse practitioners in Delaware
Nurse practitioner is Mari Welch's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Mari Welch is licensed in Delaware.
Specialties and state licenses
- Pediatric nurse practitioner, DelawarePrimary
Pediatric nurse practitioners near Mari Welch
Counts of pediatric 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
Mari E. Welch received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mari Welch from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $17.
Companies that paid Mari Welch 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 Mari E. Welch'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 | Dmand AI Affiliation Data |
| 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 Mari E. Welch
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mari E. Welch's NPI number?
Mari E. Welch's NPI number is 1538433479. It was assigned on February 23, 2012, and it is active in the NPI Registry.
What does Mari E. Welch specialize in?
Mari E. Welch is a pediatric nurse practitioner in Wilmington, Delaware. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Mari E. Welch practice?
Mari Welch practices at 1600 Rockland Rd, Wilmington, DE 19803. Mari Welch's primary practice is Bayhealth, a medical group.
What is Mari E. Welch's office phone number?
The practice phone on file for Mari Welch is (302) 651-4200.
What is Mari E. Welch's medical license number?
Mari Welch holds Delaware license LJ0000273.
What medical group is Mari E. Welch part of?
Mari Welch is part of Bayhealth in Dover, Delaware.
Has Mari E. Welch received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Mari Welch from 1 company from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Mari E. Welch been practicing?
Mari Welch's NPI was assigned in 2012.
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