Gabrielle O'Connor, M.D.
Endocrinology, Diabetes & Metabolism Physician · Laguna Beach, CA
Gabrielle O'Connor, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Laguna Beach, California, and NPI 1720118961, issued on Mar 6, 2007. Check the license (California A49115, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gabrielle O'Connor
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A49115 CA
Self-reported in NPPES; status is on the state search - Practice location
- 31852 Coast Hwy, Laguna Beach, CA 92651
- Phone
- (949) 499-5338
- Enumerated
- Mar 6, 2007
- Record last updated
- Mar 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (949) 499-7959
- Medicare enrollment
- Enrolled (PECOS I20050719001120); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 31852 Coast Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gabrielle O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
5,163 Medicare Part D claims for 575 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 41 claims were for opioids.
Most prescribed
- Levothyroxine Sodium836 claims
- Rosuvastatin Calcium312 claims
- Ozempic249 claims
- Synthroid201 claims
- Glimepiride188 claims
- Spironolactone151 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.
The MIPS final score for 2023 (Medicare payment program): 11.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $54.02
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
Other endocrinology, diabetes & metabolism physician records in California
- Evan Abel, MDSanta Monica, CA1619067238
- Anita Abraham, M.D.Stockton, CA1558380337
- Sallie Adams, M.D.Roseville, CA1255342085
- Helen Adelberg, M.D.Encino, CA1093935447
- Yewande Adepoju, DOOroville, CA1467892984
- David Aftergood, MDBeverly Hills, CA1639259328
- Nidhi Agarwal, MDTorrance, CA1518387125
- Bahar Aghighi, MDSanta Cruz, CA1770562134
- Tyler Aguinaldo, MDBurlingame, CA1306811906
- Susan Ahern, D.O.Ventura, CA1508156597
Common questions
What is Gabrielle O'Connor, M.D.'s NPI number?
Gabrielle O'Connor, M.D.'s National Provider Identifier (NPI) is 1720118961, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gabrielle O'Connor, M.D. located?
The NPPES record lists a practice address at 31852 Coast Hwy, Laguna Beach, CA, 92651. Phone: (949) 499-5338. Providers update this record themselves, so call before visiting.
How can I verify Gabrielle O'Connor, M.D.'s license?
NPPES lists California license number A49115, 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 Gabrielle O'Connor, M.D. prescribe under Medicare Part D?
In 2024, Gabrielle O'Connor, M.D. had 5,163 Medicare Part D claims for 575 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Gabrielle O'Connor, M.D.'s MIPS final score?
The 2023 MIPS final score is 11.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.