Priya O'Callaghan, D.D.S.
NPI 1912030420 · Endodontics · Oakland, CA
Priya O'Callaghan, D.D.S. is a Endodontics provider in Oakland, CA (NPI 1912030420).
Provider details
- NPI number
- 1912030420
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Female
- Sole proprietor
- No
- License
- CA45882 (CO)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 316 | 280 |
| Clindamycin Hcl | 62 | 53 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 39 | 36 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 31 | 22 |
| Azithromycin | 28 | 21 |
| Chlorhexidine Gluconate | 27 | 25 |
| Ibuprofen | 22 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 across 1 record (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
- 2007-03-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Priya O'Callaghan's NPI number?
- Priya O'Callaghan's National Provider Identifier (NPI) is 1912030420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Priya O'Callaghan's specialty?
- Priya O'Callaghan is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
- Where is Priya O'Callaghan located?
- Priya O'Callaghan's practice location on file with NPPES is 1700 Broadway, Oakland, CA 94612-2116.
- What is Priya O'Callaghan's phone number?
- The practice phone number listed in the NPPES registry for Priya O'Callaghan is (510) 451-6828.
- Is Priya O'Callaghan's NPI active?
- Yes — Priya O'Callaghan's NPI (1912030420) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.