Edward A. Chapin, DDS
Dentist · Simi Valley, CA
Edward A. Chapin, DDS is a dentist with a practice address in Simi Valley, California, and NPI 1669487211, issued on Jul 30, 2006. Check the license (California 29227, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Edward A. Chapin
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 29227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1987 Royal Ave, Simi Valley, CA 93065
- Phone
- (805) 526-7720
- Enumerated
- Jul 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (805) 526-7119
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 1987 Royal Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Hansen, D.D.S.General Practice Dentistry1902026503
- James Hoehn, D.D.S.Dentist1972602647
Verify Edward A. Chapin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 29227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average dentist in 2024
50 Medicare Part D claims for 38 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin29 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.
Edward A. Chapin among 14,729 dentist records in California
Edward A. Chapin, 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 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).
48 dentist records list a practice address in Simi Valley
They are 48 of the 1,397 NPPES records with a practice address in Simi Valley, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Simi Valley → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Fatemeh DehestaniSimi Valley, CA 930651033274782
- Richard Green, D.D.S.Simi Valley, CA 930651518093939
- James Hoehn, D.D.S.Simi Valley, CA 930651972602647
- Maziar Izadi, DDSSimi Valley, CA 930651275547580
- Michael Kach, D.D.S.Simi Valley, CA 930651033203690
- Mark Kolchansky, D.D.SSimi Valley, CA 930651972667863
- Kenneth Kolz, D.D.S.Simi Valley, CA 930651265587133
- Leyla LeedsSimi Valley, CA 930651568668606
Common questions
What is Edward A. Chapin, DDS's NPI number?
Edward A. Chapin, DDS's National Provider Identifier (NPI) is 1669487211, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Edward A. Chapin, DDS located?
The NPPES record lists a practice address at 1987 Royal Ave, Simi Valley, CA, 93065. Phone: (805) 526-7720. Providers update this record themselves, so call before visiting.
How can I verify Edward A. Chapin, DDS's license?
NPPES lists California license number 29227, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Edward A. Chapin, DDS prescribe under Medicare Part D?
In 2024, Edward A. Chapin, DDS had 50 Medicare Part D claims for 38 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.