Robert David Brennan, DDS
Endodontics · Santa Barbara, CA
Robert David Brennan, DDS is an endodontics with a practice address in Santa Barbara, California, and NPI 1861573065, issued on Oct 17, 2006. Check the license (California 48705, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert David Brennan
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 48705 CA
Self-reported in NPPES; status is on the state search - Practice location
- 122 S Patterson Ave # C-234, Santa Barbara, CA 93111
- Phone
- (805) 964-0374
- Enumerated
- Oct 17, 2006
- Record last updated
- Jan 26, 2022
- Fax
- (805) 964-4510
- Entity
- Type 1 · individual
8 nearest endodontics records → All 1,018 in California → Look up another NPI →
Verify Robert David Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 48705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average endodontics in 2024
180 Medicare Part D claims for 130 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 32 claims were for opioids.
Most prescribed
- Amoxicillin83 claims
- Hydrocodone-Acetaminophen26 claims
- Diazepam19 claims
- Amoxicillin-Clavulanate Potass17 claims
- Clindamycin Hcl12 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.
Industry payments in 2024: $13.48
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 2,057 providers of this specialty with any payment received $49,739.86 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.
Robert David Brennan among 1,018 endodontics records in California
Robert David Brennan, DDS is one of 1,018 endodontics records with a practice address in California. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in California
There are 1,018 endodontics records in California.
All 1,018 in California → Every provider in Santa Barbara → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Tad Suzuki, DDSSanta Barbara, CA 931111497860886
- Amir Arad, D.D.S., M.S.Santa Barbara, CA 931101295176212
- Kathy Patmore, DDSSanta Barbara, CA 931051407030679
- Sean Robertson, DDSSanta Barbara, CA 931051356359343
- Ingrid Lawaty, D.M.D.Santa Barbara, CA 931031073643771
- Clifford Ruddle, D.D.S.Santa Barbara, CA 931031841561651
- L. Stehen BuchananSanta Barbara, CA 931011891959060
- Cami Ferris-Wong, D.D.SSanta Barbara, CA 931011770793002
Common questions
What is Robert David Brennan, DDS's NPI number?
Robert David Brennan, DDS's National Provider Identifier (NPI) is 1861573065, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert David Brennan, DDS located?
The NPPES record lists a practice address at 122 S Patterson Ave # C-234, Santa Barbara, CA, 93111. Phone: (805) 964-0374. Providers update this record themselves, so call before visiting.
How can I verify Robert David Brennan, DDS's license?
NPPES lists California license number 48705, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Robert David Brennan, DDS prescribe under Medicare Part D?
In 2024, Robert David Brennan, DDS had 180 Medicare Part D claims for 130 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.
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.