Keith Robert Chertok, DDS
Periodontics · Berkeley, CA
Keith Robert Chertok, DDS is a periodontics with a practice address in Berkeley, California, and NPI 1427077973, issued on Jul 18, 2006. Check the license (California 38634, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith Robert Chertok
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 38634 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2620 Ashby Ave Ste 101, Berkeley, CA 94705
- Phone
- (510) 548-0150
- Enumerated
- Jul 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 548-0156
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Verify Keith Robert Chertok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 38634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average periodontics in 2024
744 Medicare Part D claims for 201 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 143 claims were for opioids.
Most prescribed
- Amoxicillin212 claims
- Chlorhexidine Gluconate198 claims
- Acetaminophen-Codeine132 claims
- Lorazepam116 claims
- Azithromycin39 claims
- Ibuprofen27 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: $2,000.00
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Straumann USA LLC. 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.
Keith Robert Chertok among 929 periodontics records in California
Keith Robert Chertok, 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% 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 updated2007 · 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).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Berkeley → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Nikta GhaderiBerkeley, CA 947051235512625
- Carol Grimm, D.D.S.Berkeley, CA 947051801998364
- Pia Lodberg, DDSBerkeley, CA 947051164518684
- John Rech, D.D.S.Berkeley, CA 947051962410423
- Luis Kim, D.D.S.Albany, CA 947071134342025
- Anand Maharathi, DMDBerkeley, CA 947091306086186
- Yuri Veber, D.D.S., M.S.Oakland, CA 946181437245172
- Gretchen Bruce, DDSOakland, CA 946121417167206
Common questions
What is Keith Robert Chertok, DDS's NPI number?
Keith Robert Chertok, DDS's National Provider Identifier (NPI) is 1427077973, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith Robert Chertok, DDS located?
The NPPES record lists a practice address at 2620 Ashby Ave Ste 101, Berkeley, CA, 94705. Phone: (510) 548-0150. Providers update this record themselves, so call before visiting.
How can I verify Keith Robert Chertok, DDS's license?
NPPES lists California license number 38634, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Keith Robert Chertok, DDS prescribe under Medicare Part D?
In 2024, Keith Robert Chertok, DDS had 744 Medicare Part D claims for 201 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.