Duncan Greene Howard, DDS
General Practice Dentistry · West Covina, CA
Duncan Greene Howard, DDS is a general practice dentistry with a practice address in West Covina, California, and NPI 1881633345, issued on Jun 6, 2006. Check the license (California 21903, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Duncan Greene Howard
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 21903 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1710 W Cameron Ave, West Covina, CA 91790
- Phone
- (626) 962-3559
- Enumerated
- Jun 6, 2006
- Record last updated
- Sep 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Duncan Greene Howard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average general practice dentistry in 2024
14 Medicare Part D claims for 14 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Duncan Greene Howard among 17,852 general practice dentistry records in California
Duncan Greene Howard, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 general practice dentistry records list a practice address in West Covina
They are 55 of the 2,450 NPPES records with a practice address in West Covina, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in West Covina → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Georgina Babol-Banez, DMDWest Covina, CA 917901891848628
- Shaileshkumar Bhatt, D.D.S.West Covina, CA 917901750487328
- Min Do, DDSWest Covina, CA 917901568532463
- Katherine Forbes, DDSWest Covina, CA 917901437175122
- Gary Lee, DDSWest Covina, CA 917901972689263
- Phong Lu, DDSWest Covina, CA 917901609986686
- Lin Ma, DDSWest Covina, CA 917901841336856
- Emmanuel Magalong, DDSWest Covina, CA 917901033289236
Common questions
What is Duncan Greene Howard, DDS's NPI number?
Duncan Greene Howard, DDS's National Provider Identifier (NPI) is 1881633345, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Duncan Greene Howard, DDS located?
The NPPES record lists a practice address at 1710 W Cameron Ave, West Covina, CA, 91790. Phone: (626) 962-3559. Providers update this record themselves, so call before visiting.
How can I verify Duncan Greene Howard, DDS's license?
NPPES lists California license number 21903, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Duncan Greene Howard, DDS prescribe under Medicare Part D?
In 2024, Duncan Greene Howard, DDS had 14 Medicare Part D claims for 14 beneficiaries; the average among general practice dentistry prescribers was 83. 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.