William Allen Kropa, DMD
General Practice Dentistry · Swampscott, MA
William Allen Kropa, DMD is a general practice dentistry with a practice address in Swampscott, Massachusetts, and NPI 1003951914, issued on Feb 20, 2007. Check the license (Massachusetts 14296, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Allen Kropa
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 14296 MA
Self-reported in NPPES; status is on the state search - Practice location
- 352 Humphrey Street, Swampscott, MA 01907
- Phone
- (781) 593-8566
- Enumerated
- Feb 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (781) 593-8566
- Entity
- Type 1 · individual
Also registered at 352 Humphrey Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Sullivan Kropa, DMDGeneral Practice Dentistry1841335858
Verify William Allen Kropa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 14296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12 general practice dentistry records list a practice address in Swampscott
They are 12 of the 229 NPPES records with a practice address in Swampscott, and 3,489 general practice dentistry records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12 in Swampscott → All 3,489 in Massachusetts → Every provider in Swampscott →
Other general practice dentistry records in Massachusetts
- Mark Aaron, DMDGreat Barrington, MA1902020902
- Heidi Aaronson, D.M.D.Wellesley, MA1134375652
- Jamil Abbasy, DMDSouthampton, MA1992988026
- Sama Abdul-Aziz, DMDBoston, MA1427543610
- Muhannad AbdulghaniBrockton, MA1326806654
- Noor AbdulkareemQuincy, MA1932809662
- Asma AbdullahShrewsbury, MA1225301237
- Abdulaziz Abdulwahed, BDSBoston, MA1730637414
- Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
- Rana Abood, DMDBoston, MA1376660936
Common questions
What is William Allen Kropa, DMD's NPI number?
William Allen Kropa, DMD's National Provider Identifier (NPI) is 1003951914, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Allen Kropa, DMD located?
The NPPES record lists a practice address at 352 Humphrey Street, Swampscott, MA, 01907. Phone: (781) 593-8566. Providers update this record themselves, so call before visiting.
How can I verify William Allen Kropa, DMD's license?
NPPES lists Massachusetts license number 14296, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. 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.