Erica Alexander Kostmayer, CRNP
- Industry payments
- $44
- Affiliated sites
- 2
- Medical groups
- 3
- State licenses
- 2
- Year NPI issued
- 2021
- Practice address
- 2101 Hwy 90, Gautier, MS 39553
- Practice phone
- Call (228) 497-8874
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Singing River Health System
Gautier, Mississippi
Find Erica Kostmayer'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.
Erica Alexander Kostmayer is a pediatric nurse practitioner in Gautier, Mississippi
Erica Kostmayer practices at Singing River Health System in Gautier, Mississippi.
Erica Kostmayer's NPI, 1306422464, was assigned on March 19, 2021. Erica Kostmayer holds Mississippi license 904935.
- NPI
- 1306422464NPI Registry (opens in a new tab)
- NPI enumeration date
- March 19, 2021
- NPI status
- Active
- Practice phone
- (228) 497-8874
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Erica Alexander Kostmayer practices at Singing River Health System in Gautier, Mississippi
Erica Kostmayer's primary practice is Singing River Health System, at 2101 Hwy 90, Gautier, MS 39553 in Jackson County. The practice phone is (228) 497-8874.
- Singing River Health System2101 Hwy 90, Gautier, MS 39553 · Jackson CountyPhone(228) 497-8874
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Erica Alexander Kostmayer is affiliated with 3 sites of care and 3 medical groups
Erica Kostmayer's primary practice is Singing River Health System in Gautier, Mississippi. The medical group on file is Singing River Health System. Dmand AI also links Erica Kostmayer to 2 more group practices and clinics and 2 medical groups, each 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 Erica Alexander Kostmayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Erica Kostmayer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Singing River Health System | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Erica Alexander Kostmayer is one of 84 pediatric nurse practitioners in Mississippi
Nurse practitioner is Erica Kostmayer's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Dmand AI has Erica Kostmayer's licenses on file in 2 states: Mississippi and Alabama.
Specialties and state licenses
- Pediatric nurse practitioner, MississippiPrimary
- Alabama license
Pediatric nurse practitioners near Erica Kostmayer
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
Erica Alexander Kostmayer's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Erica Kostmayer's median patient age at 10, with 52% women.
Erica Kostmayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women52%
- Men45%
Source: Dmand AI Patient Panel Data
Erica Alexander Kostmayer received $44 in industry payments in 2025
CMS Open Payments shows 2 general payments to Erica Kostmayer from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $44.
Companies that paid Erica Kostmayer 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 Erica Alexander Kostmayer'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 patients and the all-payer patient panel | Dmand AI Patient Panel 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 Erica Alexander Kostmayer
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What is Erica Alexander Kostmayer's NPI number?
Erica Alexander Kostmayer's NPI number is 1306422464. It was assigned on March 19, 2021, and it is active in the NPI Registry.
What does Erica Alexander Kostmayer specialize in?
Erica Alexander Kostmayer is a pediatric nurse practitioner in Gautier, Mississippi. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Erica Alexander Kostmayer practice?
Erica Kostmayer practices at 2101 Hwy 90, Gautier, MS 39553. Erica Kostmayer's primary practice is Singing River Health System in Gautier, Mississippi. Dmand AI also links Erica Kostmayer to 2 group practices and clinics and 2 medical groups.
What is Erica Alexander Kostmayer's office phone number?
The practice phone on file for Erica Kostmayer is (228) 497-8874.
What is Erica Alexander Kostmayer's medical license number?
Erica Kostmayer holds Mississippi license 904935, one of the licenses on file in 2 states.
Which states has Erica Alexander Kostmayer been licensed in?
Dmand AI has state licenses on file for Erica Kostmayer in Mississippi and Alabama.
What medical group is Erica Alexander Kostmayer part of?
Erica Kostmayer is linked to Singing River Health System. Dmand AI links Erica Kostmayer to 2 more medical groups.
Has Erica Alexander Kostmayer received payments from drug or device companies?
CMS Open Payments shows $44 in general payments to Erica Kostmayer from 1 company from 2025 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Erica Alexander Kostmayer been practicing?
Erica Kostmayer graduated from medical school in 2020, 6 years ago.
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