CHRISTOPHER JOHN MISTRETTA FNP-BC
NPI 1700694833
Nurse Practitioner - Family in Dorchester, MA

Active since December 20, 2024PECOS EnrolledAccepts Medicare Assignment
19 W TREMLETT ST UNIT 2, DORCHESTER, MA 02124(978) 821-0889 Get Directions Write a Review

NPPES record last updated: December 20, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Christopher John Mistretta Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER JOHN MISTRETTA FNP-BC (NPI 1700694833) is an individual family provider in Dorchester, Massachusetts, licensed in Massachusetts (RN2274343) and active in the NPI registry since December 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1700694833
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameCHRISTOPHER JOHN MISTRETTACredential: FNP-BC
Location Address19 W TREMLETT ST UNIT 2Dorchester, MA 02124-5155
Mailing Address19 W Tremlett St Unit 2Dorchester, MA 02124-5155 · (978) 821-0889
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 20, 2024
NPPES CertifiedDecember 3, 2024
✔ NPI 1700694833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2274343
19 W TREMLETT ST UNIT 2, Dorchester, MA 02124

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher John Mistretta Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648793968
PECOS Enrollment IDI20250327002041
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Christopher Mistretta reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1153 CENTRE ST
Boston, MA 02130
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: Atrius Health Inc
  • 1,317 clinicians in this Medicare group
Internal Medicine
416 BELMONT ST
Worcester, MA 01604
  • Reassigned Medicare billing, Massachusetts enrollment
  • 22 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Mistretta's NPI number?

The NPI number for Christopher Mistretta is 1700694833. It was assigned to this individual provider in the NPPES registry on December 20, 2024.

Where is Christopher Mistretta located?

Christopher Mistretta practices at 19 W Tremlett St Unit 2, Dorchester, MA 02124. The listed phone number is (978) 821-0889.

What is Christopher Mistretta's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Christopher Mistretta enrolled in Medicare?

Yes. Christopher Mistretta is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Christopher Mistretta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Mistretta reassigns Medicare benefits to 2 organizations: Harvard Vanguard Medical Associates (Boston, MA) and Worcester Internal Medicine, Inc. (Worcester, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Mistretta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christopher Mistretta was last updated on December 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.