Mark A. Wisniewski, DDS
General Practice Dentistry · Greenfield, MA
Mark A. Wisniewski, DDS is a general practice dentistry with a practice address in Greenfield, Massachusetts, and NPI 1831107705, issued on Aug 4, 2006. Check the license (Massachusetts 16697, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark A. Wisniewski
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 16697 MA
Self-reported in NPPES; status is on the state search - Practice location
- 78 Country Club RD, Greenfield, MA 01301
- Phone
- (413) 774-5591
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (413) 772-6768
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,489 in Massachusetts → Look up another NPI →
Verify Mark A. Wisniewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 16697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average general practice dentistry in 2024
15 Medicare Part D claims, 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.
Most prescribed
- Amoxicillin11 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.
Mark A. Wisniewski among 3,489 general practice dentistry records in Massachusetts
Mark A. Wisniewski, DDS is one of 3,489 general practice dentistry records with a practice address in Massachusetts. 58% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 77% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Dentistry providers in Massachusetts
There are 3,489 general practice dentistry records in Massachusetts.
All 3,489 in Massachusetts → Every provider in Greenfield → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Gene Goldstein, DMDGreenfield, MA 013011700996626
- Nancy Hanratty, DMDGreenfield, MA 013011871667113
- Manual Santiago-Patterson, DMDGreenfield, MA 013011275600595
- Jeffrey Traft, DDSGreenfield, MA 013011437125853
- Allison Van Der Velden, DMDGreenfield, MA 013011144660432
- Theodore Zervas, DMDGreenfield, MA 013011093821159
- Emil Pauli, D.M..D.Athol, MA 013311689705303
- Andrew Budz, D.D.S.Williamstown, MA 012671447349709
Common questions
What is Mark A. Wisniewski, DDS's NPI number?
Mark A. Wisniewski, DDS's National Provider Identifier (NPI) is 1831107705, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Wisniewski, DDS located?
The NPPES record lists a practice address at 78 Country Club RD, Greenfield, MA, 01301. Phone: (413) 774-5591. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Wisniewski, DDS's license?
NPPES lists Massachusetts license number 16697, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mark A. Wisniewski, DDS prescribe under Medicare Part D?
In 2024, Mark A. Wisniewski, DDS had 15 Medicare Part D claims; 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.