WALTER J ZAWACKI (NP) – Nurse Practitioner, NPI 1013002799

WALTER J ZAWACKI (NP) is a healthcare provider. based in Boston, Massachusetts. specializing in Nurse Practitioner. They hold the professional credentials NP. They hold a License No. 262962 (MA). The NPI Number for WALTER J ZAWACKI (NP) is 1013002799

Main info

Male
20 Years Of Experience
Accepts Medicare Assignment
Name
WALTER J ZAWACKI (NP)
NPI
1013002799
Phone
(800) 225-8885
Address
PO BOX 415348
Enumeration Date
4 October 2006
Last Update Date
1 June 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5088565381
Graduation Year
2006 (20 years ago)
PAC ID
8729085709
Group Practice PAC ID
6800868779
Professional Enrollment ID
I20061106000113

Contacts

FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Secure Messaging
wzawacki32431@UmassMemorial.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

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Provider Addresses for WALTER J ZAWACKI (NP)

  • PO BOX 415348

    BOSTON, MA 022415348

    Phone: (800) 225-8885

    Fax: (508) 334-1977

    Type: Mailing

  • Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom

    MASS GENERAL PHYSICIANS ORGANIZATION INC

    CHARLESTOWN, MA 021299142

    Phone: (617) 724-0287

    Type: Mailing

  • Massachusetts General Hospital, 55, Fruit Street, Beacon Hill, Boston, Suffolk County, Massachusetts, 02114, United States

    BOSTON, MA 02114

    Phone: (617) 726-8315

    Type: Location

  • 119 BELMONT ST

    WORCESTER, MA 016052903

    Phone: (508) 334-8934

    Fax: (508) 334-5248

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02241)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6800868779View full group profile
NameSpecialtyState
Diagnostic RadiologyMA
Diagnostic RadiologyMA
Diagnostic RadiologyMA
Diagnostic Radiology, Interventional Radiology, Diagnostic RadiologyPA
Diagnostic RadiologyMA
Diagnostic RadiologyMA
-MA
Interventional Radiology, Diagnostic Radiology, Pain Management, Diagnostic RadiologyNJ
-MA
Nurse PractitionerMA

Reviews

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Frequently asked questions

What is the registry number for WALTER J ZAWACKI (NP)?
The registry entry for WALTER J ZAWACKI (NP) shows NPI 1013002799.
Does the public listing show WALTER J ZAWACKI (NP) as active?
WALTER J ZAWACKI (NP)'s NPI record reflects an active status in NPPES.
What services align with WALTER J ZAWACKI (NP)'s listing?
WALTER J ZAWACKI (NP)'s public classification highlights Nurse Practitioner. Clinical services aligned with this taxonomy classification.
What city is tied to WALTER J ZAWACKI (NP)?
The directory associates WALTER J ZAWACKI (NP) with Boston, Massachusetts. Check all listed addresses for suites or satellite offices.
Who maintains WALTER J ZAWACKI (NP)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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