Ashley Mergelmeyer, PA-C
- Part D claims, 2024
- 31
- Industry payments
- $160
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2018
- Practice address
- 27700 Medical Center Rd, Mission Viejo, CA 92691
- Practice phone
- Call (949) 364-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mission Hospital Mission Viejo
Mission Viejo, California
Find Ashley Mergelmeyer'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.
Ashley Mergelmeyer is a physician assistant in Mission Viejo, California
Ashley Mergelmeyer practices at Mission Hospital Mission Viejo in Mission Viejo, California.
Ashley Mergelmeyer's NPI, 1902397219, was assigned on May 22, 2018. Ashley Mergelmeyer holds California license PA58519.
- NPI
- 1902397219NPI Registry (opens in a new tab)
- NPI enumeration date
- May 22, 2018
- NPI status
- Active
- Practice phone
- (949) 364-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Ashley Mergelmeyer practices at Mission Hospital Mission Viejo in Mission Viejo, California
Ashley Mergelmeyer's primary practice is Mission Hospital Mission Viejo, at 27700 Medical Center Rd, Mission Viejo, CA 92691 in Orange County. The practice phone is (949) 364-1400.
- Mission Hospital Mission Viejo27700 Medical Center Rd, Mission Viejo, CA 92691 · Orange CountyPhone(949) 364-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ashley Mergelmeyer is affiliated with 1 site of care and 2 medical groups
Ashley Mergelmeyer's primary practice is Mission Hospital Mission Viejo in Mission Viejo, California. The medical group on file is Emergency Medicine Physicians. Dmand AI also links Ashley Mergelmeyer to 1 more medical group, 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 Ashley Mergelmeyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ashley Mergelmeyer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mission Hospital Mission Viejo | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Ashley Mergelmeyer is one of 11,482 physician assistants in California
Physician assistant is Ashley Mergelmeyer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Ashley Mergelmeyer's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
- Texas license
Physician assistants near Ashley Mergelmeyer
Counts of physician assistants 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
Ashley Mergelmeyer's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Ashley Mergelmeyer's median patient age at 57, with 34% women.
Ashley Mergelmeyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women34%
- Men66%
Source: Dmand AI Patient Panel Data
Ashley Mergelmeyer wrote 31 Medicare Part D claims in 2024
In 2024, Ashley Mergelmeyer wrote 31 Medicare Part D claims for 18 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Ashley Mergelmeyer's Part D claims, 2024
- Opioids39%12 of 31 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
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Ashley Mergelmeyer received $160 in industry payments in 2025
CMS Open Payments shows 6 general payments to Ashley Mergelmeyer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $127.
Companies that paid Ashley Mergelmeyer 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 Ashley Mergelmeyer'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Ashley Mergelmeyer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ashley Mergelmeyer's NPI number?
Ashley Mergelmeyer's NPI number is 1902397219. It was assigned on May 22, 2018, and it is active in the NPI Registry.
What does Ashley Mergelmeyer specialize in?
Ashley Mergelmeyer is a physician assistant in Mission Viejo, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ashley Mergelmeyer practice?
Ashley Mergelmeyer practices at 27700 Medical Center Rd, Mission Viejo, CA 92691. Ashley Mergelmeyer's primary practice is Mission Hospital Mission Viejo in Mission Viejo, California. Dmand AI also links Ashley Mergelmeyer to 1 medical group.
What is Ashley Mergelmeyer's office phone number?
The practice phone on file for Ashley Mergelmeyer is (949) 364-1400.
What is Ashley Mergelmeyer's medical license number?
Ashley Mergelmeyer holds California license PA58519, one of the licenses on file in 2 states.
Which states has Ashley Mergelmeyer been licensed in?
Dmand AI has state licenses on file for Ashley Mergelmeyer in California and Texas.
What medical group is Ashley Mergelmeyer part of?
Ashley Mergelmeyer is linked to Emergency Medicine Physicians. Dmand AI links Ashley Mergelmeyer to 1 more medical group.
Has Ashley Mergelmeyer received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to Ashley Mergelmeyer from 2 companies from 2025 to 2025. The largest total came from Integra LifeSciences Corporation.
How long has Ashley Mergelmeyer been practicing?
Ashley Mergelmeyer's NPI was assigned in 2018.
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