Annelise Maeva Merriner, PA-C
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 111
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Industry payments
- $24
- Practice address
- 30492 Gateway Pl, Rancho Mission Viejo, CA 92694
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorialcare Medical Group - HOPD
Acute Care Hospital outpatient department · Rancho Mission Viejo, California
Find Annelise Merriner's professional email, personal email and mobile number
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Annelise Maeva Merriner is a physician assistant in Rancho Mission Viejo, California
Annelise Merriner practices at Memorialcare Medical Group - HOPD in Rancho Mission Viejo, California.
Annelise Merriner's NPI, 1811238777, was assigned on March 1, 2013. Annelise Merriner holds California license 22953.
- NPI
- 1811238777NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961711585
- NPI enumeration date
- March 1, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Annelise Maeva Merriner practices at Memorialcare Medical Group - HOPD in Rancho Mission Viejo, California
Annelise Merriner's primary practice is Memorialcare Medical Group - HOPD, at 30492 Gateway Pl, Rancho Mission Viejo, CA 92694.
- Memorialcare Medical Group - HOPD30492 Gateway Pl, Rancho Mission Viejo, CA 92694
Source: Dmand AI Affiliation Data
Annelise Maeva Merriner is affiliated with 3 sites of care and 2 medical groups
Annelise Merriner's primary practice is Memorialcare Medical Group - HOPD in Rancho Mission Viejo, California. Annelise Merriner is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is MemorialCare Medical Group. Dmand AI also links Annelise Merriner to 1 more group practice or clinic and 1 medical group, each named with a free account. Annelise Merriner's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Annelise Maeva Merriner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Annelise Merriner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorialcare Medical Group - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Annelise Maeva Merriner is one of 11,482 physician assistants in California
Physician assistant is Annelise Merriner's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Annelise Merriner's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
- Florida license
Physician assistants near Annelise Merriner
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
Annelise Maeva Merriner treated 29 Medicare patients in 2024, average age 71
CMS counts 29 Medicare patients who saw Annelise Merriner in 2024. 69% of them have arthritis, and 66% have high cholesterol. Their average risk score is 0.69, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Annelise Merriner's median patient age at 40, with 98% women.
Chronic conditions among Annelise Merriner's Medicare patients, 2024
- Arthritis69%
- High cholesterol66%
- High blood pressure52%
Share of Medicare patients with each condition. A patient can have several.
Annelise Merriner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Annelise Maeva Merriner wrote 111 Medicare Part D claims in 2024
In 2024, Annelise Merriner wrote 111 Medicare Part D claims for 44 patients. 87% of them were for generic drugs.
Annelise Merriner's Part D claims by kind of drug, 2024
- Generic97 claims87%
- Brand-name14 claims13%
Drug classes CMS tracks in Annelise Merriner's Part D claims, 2024
- Antibiotics16%18 of 111 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
Annelise Maeva Merriner scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Annelise Merriner for performance year 2024, reported as part of a group. Annelise Merriner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Annelise Merriner's MIPS scores, performance year 2024
- 87of 100Final score
- 81.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Annelise Maeva Merriner received $24 in industry payments in 2025
CMS Open Payments shows 1 general payment to Annelise Merriner from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $24.
Companies that paid Annelise Merriner 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 Annelise Maeva Merriner'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Annelise Maeva Merriner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Annelise Maeva Merriner's NPI number?
Annelise Maeva Merriner's NPI number is 1811238777. It was assigned on March 1, 2013, and it is active in the NPI Registry.
What does Annelise Maeva Merriner specialize in?
Annelise Maeva Merriner is a physician assistant in Rancho Mission Viejo, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Annelise Maeva Merriner practice?
Annelise Merriner practices at 30492 Gateway Pl, Rancho Mission Viejo, CA 92694. Annelise Merriner's primary practice is Memorialcare Medical Group - HOPD in Rancho Mission Viejo, California. Dmand AI also links Annelise Merriner to 1 group practice or clinic and 1 medical group.
What is Annelise Maeva Merriner's medical license number?
Annelise Merriner holds California license 22953, one of the licenses on file in 2 states.
Which states has Annelise Maeva Merriner been licensed in?
Dmand AI has state licenses on file for Annelise Merriner in California and Florida.
Which hospitals is Annelise Maeva Merriner affiliated with?
Annelise Merriner is affiliated with MemorialCare Saddleback Medical Center.
What medical group is Annelise Maeva Merriner part of?
Annelise Merriner is linked to MemorialCare Medical Group. Dmand AI links Annelise Merriner to 1 more medical group.
Does Annelise Maeva Merriner accept Medicare?
Yes. CMS lists Annelise Merriner as accepting Medicare assignment.
What is Annelise Maeva Merriner's MIPS score?
Annelise Merriner's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Annelise Maeva Merriner see?
CMS counts 29 Medicare patients who saw Annelise Merriner in 2024, with an average age of 71.
Has Annelise Maeva Merriner received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Annelise Merriner from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Annelise Maeva Merriner been practicing?
Annelise Merriner graduated from medical school in 2012, 14 years ago.
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