Chelsea L. Guest, DMD
Dentist · Crestline, CA
Chelsea L. Guest, DMD is a dentist with a practice address in Crestline, California, and NPI 1992256549, issued on Oct 19, 2016. Check the license (California DDS100335, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chelsea L. Guest
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- DDS100335 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23571 Lake Drive AT Fern, Crestline, CA 92325
- Phone
- (909) 338-1782
- Enumerated
- Oct 19, 2016
- Record last updated
- Oct 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Chelsea L. Guest in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DDS100335Check 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 dentist in 2024
123 Medicare Part D claims for 78 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Amoxicillin60 claims
- Ibuprofen21 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.
Chelsea L. Guest among 14,729 dentist records in California
Chelsea L. Guest, DMD 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 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 27% 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 updated2016 · 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).
3 dentist records list a practice address in Crestline
They are 3 of the 133 NPPES records with a practice address in Crestline, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Crestline → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Michael Ewert, DDSCrestline, CA 923251407160658
- Kevin Ewert, DDSCrestline, CA 923251619442472
- Jeffrey Agustin, DMDColton, CA 923241366756991
- Yvette Carrillo, DDSColton, CA 923241275033912
- Ash Dason, DDSColton, CA 923241235570094
- Mohamed El SayedColton, CA 923241679761019
- Sarah GillColton, CA 923241255220208
- Leslie HerediaColton, CA 923241649196692
Common questions
What is Chelsea L. Guest, DMD's NPI number?
Chelsea L. Guest, DMD's National Provider Identifier (NPI) is 1992256549, issued on Oct 19, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea L. Guest, DMD located?
The NPPES record lists a practice address at 23571 Lake Drive AT Fern, Crestline, CA, 92325. Phone: (909) 338-1782. Providers update this record themselves, so call before visiting.
How can I verify Chelsea L. Guest, DMD's license?
NPPES lists California license number DDS100335, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chelsea L. Guest, DMD prescribe under Medicare Part D?
In 2024, Chelsea L. Guest, DMD had 123 Medicare Part D claims for 78 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.