Catherine Weir, DO
Internal Medicine Physician · La Jolla, CA
Catherine Weir, DO is an internal medicine physician with a practice address in La Jolla, California, and NPI 1922635077, issued on Mar 26, 2020. Check the license (California 20A21029, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Weir
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A21029 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10710 N Torrey Pines RD # MS 312, La Jolla, CA 92037
- Phone
- (858) 554-8788
- Enumerated
- Mar 26, 2020
- Entity
- Type 1 · individual
Also registered at 10710 N Torrey Pines RD # MS 312
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Swati Patrawala, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1700669579
Verify Catherine Weir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21029Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
39 Medicare Part D claims for 18 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
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: $2,565.54
89 payments, mostly food and beverage; the largest payer was Genzyme Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 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.
220 internal medicine physician records list a La Jolla practice address
They are 220 of the 3,648 NPPES records with a La Jolla practice address, and 20,403 internal medicine physician records in California.
All 220 in La Jolla → All 20,403 in California → Every provider in La Jolla →
Other internal medicine physician records in California
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- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Catherine Weir, DO's NPI number?
Catherine Weir, DO's National Provider Identifier (NPI) is 1922635077, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Weir, DO located?
The NPPES record lists a practice address at 10710 N Torrey Pines RD # MS 312, La Jolla, CA, 92037. Phone: (858) 554-8788. Providers update this record themselves, so call before visiting.
How can I verify Catherine Weir, DO's license?
NPPES lists California license number 20A21029, 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 Catherine Weir, DO prescribe under Medicare Part D?
In 2024, Catherine Weir, DO had 39 Medicare Part D claims for 18 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.