Calvin Chang, DDS
Dentist · Ashton, MD
Calvin Chang, DDS is a dentist with a practice address in Ashton, Maryland, and NPI 1285289215, issued on Aug 6, 2019. Check the license (Maryland 16794, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Calvin Chang
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 16794 MD
Self-reported in NPPES; status is on the state search - Practice location
- 16610 Harbour Town Dr, Ashton, MD 20861
- Phone
- (301) 633-4640
- Enumerated
- Aug 6, 2019
- Record last updated
- Mar 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Calvin Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 16794Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average dentist in 2024
20 Medicare Part D claims for 17 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.
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.
Industry payments in 2024: $18.33
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
1 dentist records list a practice address in Ashton
They are 1 of the 27 NPPES records with a practice address in Ashton, and 1,870 dentist records in Maryland.
Other dentist records in Maryland
- Vargha Abbasian, D.D.S.Elkton, MD1356656854
- Anahita Abdehou, DDSRosedale, MD1902062292
- Ossob Abdillahi, DMDGaithersburg, MD1932237385
- Laylo Abdurahmonova, DDSManchester, MD1861367427
- Thomas Abecket, DDSLaurel, MD1265774087
- Martin Abel, D.D.S.Rockville, MD1285604058
- Shannon Abel, D.D.S.Rockville, MD1326018185
- Ryan Abi Jomaa, DDSOlney, MD1295664613
- Median Abraha, DDSOxon Hill, MD1518642248
- Ampili Abraham, DDSCatonsville, MD1750430005
Common questions
What is Calvin Chang, DDS's NPI number?
Calvin Chang, DDS's National Provider Identifier (NPI) is 1285289215, issued on Aug 6, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Calvin Chang, DDS located?
The NPPES record lists a practice address at 16610 Harbour Town Dr, Ashton, MD, 20861. Phone: (301) 633-4640. Providers update this record themselves, so call before visiting.
How can I verify Calvin Chang, DDS's license?
NPPES lists Maryland license number 16794, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Calvin Chang, DDS prescribe under Medicare Part D?
In 2024, Calvin Chang, DDS had 20 Medicare Part D claims for 17 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.