Lorelei Marie Opene, PA-C
Physician Assistant · Mission Viejo, CA
Lorelei Marie Opene, PA-C is a physician assistant with a practice address in Mission Viejo, California, and NPI 1659350445, issued on Jan 11, 2006. Check the license (California PA15204, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lorelei Marie Opene
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA15204 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27871 Medical Center RD, Mission Viejo, CA 92691
- Phone
- (949) 364-5090
- Enumerated
- Jan 11, 2006
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (949) 364-5427
- Medicare enrollment
- Enrolled (PECOS I20040803000527); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 27871 Medical Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lorelei Marie Opene in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA15204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average physician assistant in 2024
761 Medicare Part D claims for 365 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf182 claims
- Famotidine151 claims
- Pantoprazole Sodium96 claims
- Omeprazole95 claims
- Linzess20 claims
- Colesevelam Hcl18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $269.46
12 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lorelei Marie Opene among 14,451 physician assistant records in California
Lorelei Marie Opene, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1999 · median 2018 among the 7,214 with a school on file
- Record last updated2020 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 physician assistant records list a practice address in Mission Viejo
They are 50 of the 2,156 NPPES records with a practice address in Mission Viejo, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Mission Viejo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kira Babb, PA-CMission Viejo, CA 926911730318767
- Stephanie Blodgett, PA-CMission Viejo, CA 926911720287170
- Tria Brummond, PA-CMission Viejo, CA 926911952461659
- Cassandra Karn, P.A.Mission Viejo, CA 926911245247774
- Linda Kiehlmeir, P.A-CMission Viejo, CA 926911902834575
- Lara Manchik, P.A.C.Mission Viejo, CA 926911639108327
- John Mellott, P.A.Mission Viejo, CA 926911023041902
- Rakhi Paleker, PA-CMission Viejo, CA 926911396850962
Common questions
What is Lorelei Marie Opene, PA-C's NPI number?
Lorelei Marie Opene, PA-C's National Provider Identifier (NPI) is 1659350445, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lorelei Marie Opene, PA-C located?
The NPPES record lists a practice address at 27871 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 364-5090. Providers update this record themselves, so call before visiting.
How can I verify Lorelei Marie Opene, PA-C's license?
NPPES lists California license number PA15204, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lorelei Marie Opene, PA-C prescribe under Medicare Part D?
In 2024, Lorelei Marie Opene, PA-C had 761 Medicare Part D claims for 365 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.