Jacob S. Barber, DDS
Oral & Maxillofacial Surgeons (Oral and Maxillofacial Surgery (Dentist))
Medicare and federal program status
Opted out of Medicare from July 1, 2015 through July 1, 2027. Medicare does not pay for this clinician’s services: patients with Medicare sign a private contract and pay the clinician directly. They can still order tests and refer Medicare patients to other providers.
Source: CMS Medicare Opt Out Affidavits (record last updated August 15, 2025). Opting out is a legal choice many clinicians make, often to run a cash or concierge practice.
At a glance
- In the NPI registry since
- 2012
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2012Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Oral and Maxillofacial Surgery (Dentist) primary
CA license D60304
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Chlorhexidine Gluconate Other prescribers in Oakland, CA | 261 |
| Amoxicillin Other prescribers in Oakland, CA | 173 |
| Ibuprofen Other prescribers in Oakland, CA | 136 |
| Clindamycin Hcl Other prescribers in Oakland, CA | 29 |
| Hydrocodone-Acetaminophen (hydrocodone/acetaminophen) Other prescribers in Oakland, CA | 21 |
| Amoxicillin-Clavulanate Potass (amoxicillin/potassium clav) Other prescribers in Oakland, CA | 19 |
| Cephalexin Other prescribers in Oakland, CA | 13 |
| Tramadol Hcl Other prescribers in Oakland, CA | 13 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 2 companies reported 11 payments worth $819 in total to this clinician.
| Dentsply Sirona Inc | $419 |
|---|---|
| Dentsply Ih Ab | $400 |
| Food and Beverage | $419 |
|---|---|
| Compensation for services other than consulting (speaking, faculty) | $400 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Dentsply Ih Ab Dec 4, 2025 | Compensation for services other than consulting (speaking, faculty) | $400 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.