Gabrielle O'Connor, M.D.
NPI 1720118961 · Endocrinology, Diabetes & Metabolism Physician · Laguna Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabrielle O'Connor, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Laguna Beach, CA (NPI 1720118961).
Provider details
- NPI number
- 1720118961
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A49115 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,477 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 684 | $125 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 482 | $176 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 168 | $89 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 71 | $213 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 48 | $114 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 836 | 227 |
| Rosuvastatin Calcium | 312 | 100 |
| Semaglutidebrand: Ozempic | 249 | 45 |
| Levothyroxine Sodiumbrand: Synthroid | 201 | 57 |
| Glimepiride | 188 | 54 |
| Spironolactone | 151 | 41 |
| Estradiol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-06
- Last updated
- 2008-03-01
Frequently asked questions
- What is Gabrielle O'Connor's NPI number?
- Gabrielle O'Connor's National Provider Identifier (NPI) is 1720118961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabrielle O'Connor's specialty?
- Gabrielle O'Connor is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Gabrielle O'Connor located?
- Gabrielle O'Connor's practice location on file with NPPES is 31852 Coast Hwy, Laguna Beach, CA 92651-6764.
- What is Gabrielle O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Gabrielle O'Connor is (949) 499-5338.
- Does Gabrielle O'Connor accept Medicare?
- Gabrielle O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabrielle O'Connor's NPI active?
- Yes — Gabrielle O'Connor's NPI (1720118961) is active in the NPPES registry as of the last update on 2008-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.