MARY D WARZYNSKI NP
NPI 1316909013
Nurse Practitioner in Chestnut Hill, MA
About Mary D Warzynski Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY D WARZYNSKI NP (NPI 1316909013) is an individual nurse practitioner in Chestnut Hill, Massachusetts, licensed in Massachusetts (200847) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Mary D Warzynski Np 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.
Medicare Billing Reassignment
Medicare enrollment records show Mary Warzynski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chestnut Hill, MA 02467
- Reassigned Medicare billing, Massachusetts enrollment
- 1,317 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02467 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESTNUT HILL, MA 02467
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 Mary Warzynski's NPI number?
The NPI number for Mary Warzynski is 1316909013. It was assigned to this individual provider in the NPPES registry on April 6, 2006.
Where is Mary Warzynski located?
Mary Warzynski practices at 291 Independence Dr, Chestnut Hill, MA 02467. The listed phone number is (617) 325-2800.
What is Mary Warzynski's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mary Warzynski enrolled in Medicare?
Yes. Mary Warzynski 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 organization bills Medicare for Mary Warzynski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Warzynski reassigns Medicare benefits to Atrius Health, Inc. (Chestnut Hill, MA). The 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 Mary Warzynski'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 Mary Warzynski was last updated on October 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.
# Mary D Warzynski, NP · NPI 1316909013
Nurse Practitioner physician in Chestnut Hill, Massachusetts. Individual provider, active in the CMS NPPES registry since April 6, 2006.
## Identity
- **NPI:** 1316909013 (Entity type: Individual)
- **Enumerated:** April 6, 2006
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 200847 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 291 INDEPENDENCE DR, Chestnut Hill, MA 02467-3628
- **Phone:** (617) 325-2800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Atrius Health, Inc. (NPI 1952518391, Chestnut Hill, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** October 21, 2019
- **Other identifiers:** Other NP2979 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1316909013) · Data from the CMS NPPES public registry.