Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Jason Knapczyk, NP

Sees patients in Springfield, MA · Massachusetts

Summary

Jason Knapczyk, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Springfield, MA. NPI 1851456370. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jason Knapczyk, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
MaleGender (as listed)
Center for Human Development, Inc.Group practice

Quick answers

Where does Jason Knapczyk see patients?
Medicare's clinician data lists 1 practice location in Springfield, MA. Call before your visit to confirm the address.
What is Jason Knapczyk's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Jason Knapczyk accept Medicare assignment?
Yes. Medicare's clinician data says Jason Knapczyk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Jason Knapczyk offer telehealth?
Medicare's clinician data says Jason Knapczyk offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jason Knapczyk?
(413) 654-1602, as listed in official Medicare / NPI Registry data.
What is Jason Knapczyk's NPI number?
1851456370. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jason Knapczyk is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jason Knapczyk as a member of this group (CMS data updated 2026-10-02).

  • Center for Human Development, Inc.68 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Springfield

Clinicians with the same Medicare primary specialty in Springfield, MA — not a recommendation.

All nurse practitioners in Springfield →

Clinician information

CredentialNP
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1851456370
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians