Barry Portnoy, D.M.D.
General Practice Dentistry · Westborough, MA
Barry Portnoy, D.M.D. is a general practice dentistry with a practice address in Westborough, Massachusetts, and NPI 1235358482, issued on Apr 25, 2007. Check the license (Massachusetts 12907, 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
- Barry Portnoy
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 12907 MA
Self-reported in NPPES; status is on the state search - Practice location
- 18 Lyman St, Westborough, MA 01581
- Phone
- (508) 366-1700
- Enumerated
- Apr 25, 2007
- Entity
- Type 1 · individual
Also registered at 18 Lyman St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Margo Farnsworth, LMTMassage Therapist1073067435
- Wendy Miles, PH.DClinical Psychologist1053482018
- Ronnie Miller, PSY.D.Psychologist1841227097
- Grace NaylorSports Physical Therapist1073406971
- Stephanie SechWomen's Health Nurse Practitioner1386246270
Verify Barry Portnoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 12907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
15 general practice dentistry records list a Westborough practice address
They are 15 of the 565 NPPES records with a Westborough practice address, and 3,351 general practice dentistry records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 15 in Westborough → All 3,351 in Massachusetts → Every provider in Westborough →
Other general practice dentistry records in Massachusetts
- Mark Aaron, DMDGreat Barrington, MA1902020902
- Jamil Abbasy, DMDSouthampton, MA1992988026
- Muhannad AbdulghaniBrockton, MA1326806654
- Asma AbdullahShrewsbury, MA1225301237
- Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
- Rana Abood, DMDBoston, MA1376660936
- Rachelle Abou-Ezzi, D.M.DNorth Andover, MA1164579389
- Alaa AbougamraHaverhill, MA1730862418
- Mario Aboujaoude, DDSFitchburg, MA1962597237
- Sevak Abrahamian, DDSWilmington, MA1629096599
Common questions
What is Barry Portnoy, D.M.D.'s NPI number?
Barry Portnoy, D.M.D.'s National Provider Identifier (NPI) is 1235358482, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Barry Portnoy, D.M.D. located?
The NPPES record lists a practice address at 18 Lyman St, Westborough, MA, 01581. Phone: (508) 366-1700. Providers update this record themselves, so call before visiting.
How can I verify Barry Portnoy, D.M.D.'s license?
NPPES lists Massachusetts license number 12907, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.