Justin Roger Chew, DDS
Dentist · Grass Valley, CA
Justin Roger Chew, DDS is a dentist with a practice address in Grass Valley, California, and NPI 1700512456, issued on Jul 26, 2022. Check the license (California DDS109896, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Roger Chew
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License numbers
- DDS109896 CA
2901601517 MI
Self-reported in NPPES; status is on the state search - Practice location
- 300 Sierra College Dr Ste 110, Grass Valley, CA 95945
- Phone
- (916) 790-7597
- Enumerated
- Jul 26, 2022
- Record last updated
- Jan 7, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Justin Roger Chew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DDS109896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dentist in 2024
24 Medicare Part D claims for 18 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin14 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.
Justin Roger Chew among 14,729 dentist records in California
Justin Roger Chew, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 86% of them.
- NPI issued2022 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 dentist records list a practice address in Grass Valley
They are 18 of the 1,540 NPPES records with a practice address in Grass Valley, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Grass Valley → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Alma Blanco Reyes, DDSGrass Valley, CA 959451356537229
- Nathan Brott, DDSGrass Valley, CA 959451053581033
- Paul Evans, D.D.S.Grass Valley, CA 959451912021379
- Paul Falvey, DDS MSGrass Valley, CA 959451235329442
- Amalia Griego, DDSGrass Valley, CA 959451134149917
- Richard Hochwald, D.D.S.Grass Valley, CA 959451902937642
- Maria Ahleen Medina, DMDGrass Valley, CA 959451508206657
- Gregory Moulton, DDSGrass Valley, CA 959451699824813
Common questions
What is Justin Roger Chew, DDS's NPI number?
Justin Roger Chew, DDS's National Provider Identifier (NPI) is 1700512456, issued on Jul 26, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Justin Roger Chew, DDS located?
The NPPES record lists a practice address at 300 Sierra College Dr Ste 110, Grass Valley, CA, 95945. Phone: (916) 790-7597. Providers update this record themselves, so call before visiting.
How can I verify Justin Roger Chew, DDS's license?
NPPES lists California license number DDS109896, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Roger Chew, DDS prescribe under Medicare Part D?
In 2024, Justin Roger Chew, DDS had 24 Medicare Part D claims for 18 beneficiaries; the average among dentist prescribers was 86. 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.