Mairead Joan Torsney-Weir, MD
Geriatric Medicine (Family Medicine) Physician · Marina Del Rey, CA
Mairead Joan Torsney-Weir, MD is a geriatric medicine (family medicine) physician with a practice address in Marina Del Rey, California, and NPI 1669607511, issued on May 21, 2009. Check the license (California A124813, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mairead Joan Torsney-Weir
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- A124813 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4560 Admiralty Way Ste 100, Marina Del Rey, CA 90292
- Phone
- (310) 827-3700
- Enumerated
- May 21, 2009
- Record last updated
- Sep 4, 2024
- Fax
- (310) 578-5379
- Medicare enrollment
- Enrolled (PECOS I20131028000718); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 243 in California → Look up another NPI →
Also registered at 4560 Admiralty Way Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mairead Joan Torsney-Weir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
9,124 Medicare Part D claims for 267 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 124 claims were for opioids.
Most prescribed
- Atorvastatin Calcium574 claims
- Amlodipine Besylate409 claims
- Levothyroxine Sodium407 claims
- Eliquis302 claims
- Furosemide263 claims
- Gabapentin244 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.
Bills Medicare through 2 group practices
- Santo Nino Health CenterPanorama City, CA
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mairead Joan Torsney-Weir among 243 geriatric medicine (family medicine) physician records in California
Mairead Joan Torsney-Weir, MD is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 70% of them.
- NPI issued2009 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2009 · median 2004 among the 111 with a school on file
- Record last updated2024 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in California
There are 243 geriatric medicine (family medicine) physician records in California.
All 243 in California → Every provider in Marina Del Rey → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Usha Chopra, M. D.Lynwood, CA 902621336284355
- Maryam Farazmand, M.DHuntington Park, CA 902551861682478
- Frank Powell, M.D.Gardena, CA 902481578779484
- Omid Mousavi, M.D.Downey, CA 902421043444029
- Elham Ghadishah, M.D.Culver City, CA 902321174546071
- Junun Bae, DOSanta Monica, CA 904041598384901
- Elvira Gonzalez, MDSanta Monica, CA 904041740806975
- Scott Kaiser, MDSanta Monica, CA 904041205042470
Common questions
What is Mairead Joan Torsney-Weir, MD's NPI number?
Mairead Joan Torsney-Weir, MD's National Provider Identifier (NPI) is 1669607511, issued on May 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mairead Joan Torsney-Weir, MD located?
The NPPES record lists a practice address at 4560 Admiralty Way Ste 100, Marina Del Rey, CA, 90292. Phone: (310) 827-3700. Providers update this record themselves, so call before visiting.
How can I verify Mairead Joan Torsney-Weir, MD's license?
NPPES lists California license number A124813, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mairead Joan Torsney-Weir, MD prescribe under Medicare Part D?
In 2024, Mairead Joan Torsney-Weir, MD had 9,124 Medicare Part D claims for 267 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.