Brand J. Ahn, DDS
Periodontics · Larkspur, CA
Brand J. Ahn, DDS is a periodontics with a practice address in Larkspur, California, and NPI 1689726093, issued on Jan 17, 2007. Check the license (California 49443, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brand J. Ahn
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 49443 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Larkspur Landing Circle, Larkspur, CA 94939
- Phone
- (415) 461-5280
- Enumerated
- Jan 17, 2007
- Record last updated
- Mar 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (415) 461-8280
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Also registered at 2200 Larkspur Landing Circle
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jay SalzmanPeriodontics1205988623
- Fumio Shibata, DDSPeriodontics1730219106
Verify Brand J. Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 49443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average periodontics in 2024
396 Medicare Part D claims for 177 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Chlorhexidine Gluconate164 claims
- Amoxicillin151 claims
- Azithromycin39 claims
- Hydrocodone-Acetaminophen21 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: $264.05
7 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 2,966 providers of this specialty with any payment received $1,338.41 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.
Brand J. Ahn among 929 periodontics records in California
Brand J. Ahn, DDS is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 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 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 periodontics records list a practice address in Larkspur
They are 4 of the 291 NPPES records with a practice address in Larkspur, and 929 periodontics records in California.
All 929 in California → Every provider in Larkspur → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Hanna Brody, DDS MSLarkspur, CA 949391144867052
- Jay SalzmanLarkspur, CA 949391205988623
- Fumio Shibata, DDSLarkspur, CA 949391730219106
- Mary Brinker, D.M.D.Mill Valley, CA 949411447439153
- Paula Sebastiani, DDS, MSMill Valley, CA 949411235229592
- Brian Hollander, DDS MSNovato, CA 949471104902345
- Ira Simon, DDSNovato, CA 949471356415772
- Mercedes Heitman, DDSPetaluma, CA 949541669550869
Common questions
What is Brand J. Ahn, DDS's NPI number?
Brand J. Ahn, DDS's National Provider Identifier (NPI) is 1689726093, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brand J. Ahn, DDS located?
The NPPES record lists a practice address at 2200 Larkspur Landing Circle, Larkspur, CA, 94939. Phone: (415) 461-5280. Providers update this record themselves, so call before visiting.
How can I verify Brand J. Ahn, DDS's license?
NPPES lists California license number 49443, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Brand J. Ahn, DDS prescribe under Medicare Part D?
In 2024, Brand J. Ahn, DDS had 396 Medicare Part D claims for 177 beneficiaries; the average among periodontics prescribers was 277. 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.