NPPES file of Aug 9, 2026

Matthew Andrzej Krzystyniak

Physician Assistant · Concord, MA

Matthew Andrzej Krzystyniak is a physician assistant with a practice address in Concord, Massachusetts, and NPI 1902785470, issued on Aug 29, 2025. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1902785470
Name
Matthew Andrzej Krzystyniak
Primary taxonomy
Physician Assistant 363A00000X
Practice location
131 Old Road TO 9 Acre Cor Ste 230, Concord, MA 01742
Phone
(978) 287-8950
Enumerated
Aug 29, 2025
Record last updated
Aug 29, 2025
Medicare enrollment
Enrolled (PECOS I20251212003005); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Matthew Andrzej Krzystyniak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Emerson Practice Associates, IncConcord, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Andrzej Krzystyniak among 4,713 physician assistant records in Massachusetts

Matthew Andrzej Krzystyniak is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 91% of them.

  • NPI issued2025 · 91% of these records are older, 3% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2025 · median 2019 among the 3,217 with a school on file
  • Record last updated2025 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 physician assistant records list a practice address in Concord

They are 28 of the 1,078 NPPES records with a practice address in Concord, and 4,713 physician assistant records in Massachusetts.

The 8 physician assistant records with the nearest ZIP codes

  1. Kylie Altavesta, PA-CConcord, MA 017421235776832
  2. Cheri Colantuoni, PA-CConcord, MA 017421912003849
  3. Kristen Corcoran, PA-CConcord, MA 017421366003865
  4. Denise Doner, PA-CConcord, MA 017421609358969
  5. Raquel Donnelly, PA-CConcord, MA 017421689125536
  6. Robin Grimes, PHYSICIAN ASSISTANTConcord, MA 017421508088543
  7. Laura Helsing, PA-C, MPAS, MPHConcord, MA 017421760723571
  8. Mia Henner, PA-CConcord, MA 017421679064372

Common questions

What is Matthew Andrzej Krzystyniak's NPI number?

Matthew Andrzej Krzystyniak's National Provider Identifier (NPI) is 1902785470, issued on Aug 29, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Andrzej Krzystyniak located?

The NPPES record lists a practice address at 131 Old Road TO 9 Acre Cor Ste 230, Concord, MA, 01742. Phone: (978) 287-8950. Providers update this record themselves, so call before visiting.

How can I verify Matthew Andrzej Krzystyniak's license?

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. 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.