NPPES file of Aug 9, 2026

Mark Douglas Wellman, PNP

Pediatric Nurse Practitioner · Concord, MA

Mark Douglas Wellman, PNP is a pediatric nurse practitioner with a practice address in Concord, Massachusetts, and NPI 1831171255, issued on Nov 20, 2005. Check the license (Massachusetts 124639, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831171255
Name
Mark Douglas Wellman
Credential
PNP
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License number
124639 MA
Self-reported in NPPES; status is on the state search
Practice location
101 Thoreau St, Concord, MA 01742
Phone
(978) 369-9401
Enumerated
Nov 20, 2005
Record last updated
Jul 13, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 101 Thoreau St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eshita Bakshi, D.O.Pediatrics Physician1811199433
  2. Aisling Gaughan, M.D., F.A.A.P.Pediatrics Physician1609857861

Verify Mark Douglas Wellman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 124639
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Mark Douglas Wellman among 1,311 pediatric nurse practitioner records in Massachusetts

Mark Douglas Wellman, PNP is one of 1,311 pediatric nurse practitioner records with a practice address in Massachusetts. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileNo · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Massachusetts

There are 1,311 pediatric nurse practitioner records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Logan Finegan, CPNPConcord, MA 017421164913182
  2. Taylor Lord, CPNPConcord, MA 017421194006726
  3. Nancy Mizzoni, N.P.Concord, MA 017421730354515
  4. Matthew Morgan, PNPConcord, MA 017421457083560
  5. Deborah Stang, NPConcord, MA 017421154381150
  6. Jessie Taylor, N.P.Concord, MA 017421235467598
  7. Emily DesantisHolliston, MA 017461508741018
  8. Anne Reilly, CPNPHolliston, MA 017461922182989

Common questions

What is Mark Douglas Wellman, PNP's NPI number?

Mark Douglas Wellman, PNP's National Provider Identifier (NPI) is 1831171255, issued on Nov 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Douglas Wellman, PNP located?

The NPPES record lists a practice address at 101 Thoreau St, Concord, MA, 01742. Phone: (978) 369-9401. Providers update this record themselves, so call before visiting.

How can I verify Mark Douglas Wellman, PNP's license?

NPPES lists Massachusetts license number 124639, 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.