Dental
Mary M. O'connor, DDS, INC
Mary M. O'connor, DDS, INC was paid $2.20M by Medicaid between Jan 2018 and Dec 2024, across 25 billing codes. Its largest line is D0120, dental checkup, returning patient — 30% of everything it billed.
33Billing provider infoMARY M. O'CONNOR, DDS, INC
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
33aNPI1700070646assigned 09/04/2007
33bProvider typePediatric Dentist
28Total paid$2.20M
24GClaims76,467
24DCodes billed25
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Pediatric Dentist providers in California
Rank by total paid#91 of 332
Median peer was paid$450K
This provider vs. median4.9×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 14,285 | $291K | |
| 2019 | 12,947 | $359K | |
| 2020 | 9,422 | $246K | |
| 2021 | 10,727 | $312K | |
| 2022 | 10,641 | $369K | |
| 2023 | 9,323 | $321K | |
| 2024incomplete | 9,122 | $307K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| D0120 | Dental checkup, returning patientPeriodic oral evaluation - established patient | 30% | 11,825 | 11,753 | $657K |
| D1120 | Dental cleaning, childProphylaxis - child | 20% | 11,933 | 11,841 | $446K |
| D2392 | Resin-based composite - two surfaces, posterior, primary or permanent | 8.3% | 2,943 | 1,431 | $182K |
| D9920 | 6.9% | 1,958 | 1,923 | $151K | |
| D1206 | Topical application of fluoride varnish | 6.7% | 13,016 | 12,943 | $147K |
| D1110 | Prophylaxis - adult | 4.6% | 1,303 | 1,300 | $102K |
| D1351 | Sealant - per tooth | 4.4% | 3,856 | 944 | $97K |
| D0230 | Intraoral - periapical each additional radiographic image | 3.6% | 16,837 | 7,444 | $80K |
| D2391 | Resin-based composite - one surface, posterior, primary or permanent | 3.0% | 1,389 | 815 | $67K |
| D0274 | Bitewings - four radiographic images | 2.2% | 2,341 | 2,331 | $48K |
| D0150 | Comprehensive oral evaluation - new or established patient | 1.7% | 588 | 587 | $37K |
| D0272 | Bitewings - two radiographic images | 1.7% | 3,288 | 3,256 | $37K |
13 more codes
| D7140 | Extraction, erupted tooth or exposed root | 1.6% | 660 | $36K |
| D0220 | Intraoral - periapical first radiographic image | 1.1% | 2,141 | $25K |
| D9430 | 1.0% | 758 | $23K | |
| D0145 | Oral evaluation for a patient under three years of age | <1% | 338 | $16K |
| D0210 | Intraoral - complete series of radiographic images | <1% | 379 | $15K |
| D0330 | Panoramic radiographic image | <1% | 393 | $11K |
| D2330 | <1% | 171 | $10K | |
| D2335 | <1% | 89 | $8K | |
| D9410 | <1% | 115 | $3K | |
| D9420 | <1% | 39 | $3K | |
| D2393 | Resin-based composite - three surfaces, posterior, primary or permanent | <1% | 21 | $2K |
| D1208 | Topical application of fluoride, excluding varnish | <1% | 39 | $288.00 |
| D0350 | <1% | 47 | $153.60 |
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.
From NPPES
Who's on the registration
Authorized officialO'CONNOR, MARY (PRESIDENT)