Richard William Chapman, D.D.S.
Dentist · Claremont, CA
Richard William Chapman, D.D.S. is a dentist with a practice address in Claremont, California, and NPI 1912080904, issued on Oct 23, 2006. Check the license (California 47238, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard William Chapman
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 47238 CA
Self-reported in NPPES; status is on the state search - Practice location
- 540 W Baseline RD, Claremont, CA 91711
- Phone
- (909) 621-6796
- Enumerated
- Oct 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (909) 626-1821
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 540 W Baseline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Douglas Brown, D.D.S, M.S.Orthodontics and Dentofacial Orthopedics Dentistry1629081880
- Brian Smith, D.D.S.General Practice Dentistry1396825758
Verify Richard William Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 47238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average dentist in 2024
102 Medicare Part D claims for 59 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Penicillin V Potassium39 claims
- Amoxicillin26 claims
- Cephalexin14 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.
Richard William Chapman among 14,729 dentist records in California
Richard William Chapman, D.D.S. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% 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 updated2007 · 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).
22 dentist records list a practice address in Claremont
They are 22 of the 800 NPPES records with a practice address in Claremont, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Claremont → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Roya Ardeshirpour-Amani, DDSClaremont, CA 917111982772851
- Harry Brown, DDSClaremont, CA 917111053461764
- Shawn Bruening, DDSClaremont, CA 917111679793046
- Steve FountainClaremont, CA 917111487750154
- Haris Hashimi, DDSClaremont, CA 917111114119849
- Teri Llop, DDSClaremont, CA 917111649200171
- Richard McCloskey, DDSClaremont, CA 917111952580771
- Krutav Patel, DDSClaremont, CA 917111447483219
Common questions
What is Richard William Chapman, D.D.S.'s NPI number?
Richard William Chapman, D.D.S.'s National Provider Identifier (NPI) is 1912080904, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard William Chapman, D.D.S. located?
The NPPES record lists a practice address at 540 W Baseline RD, Claremont, CA, 91711. Phone: (909) 621-6796. Providers update this record themselves, so call before visiting.
How can I verify Richard William Chapman, D.D.S.'s license?
NPPES lists California license number 47238, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Richard William Chapman, D.D.S. prescribe under Medicare Part D?
In 2024, Richard William Chapman, D.D.S. had 102 Medicare Part D claims for 59 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.