MARY MARGARET KRZYSTOWCZYK NP
NPI 1912504978
Nurse Practitioner - Primary Care in Traverse City, MI
About Mary Margaret Krzystowczyk Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY MARGARET KRZYSTOWCZYK NP (NPI 1912504978) is an individual primary care provider in Traverse City, Michigan, licensed in Michigan (4704301134) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Margaret Krzystowczyk Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49684 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.
TRAVERSE CITY, MI 49684
TRAVERSE CITY, MI 49684
TRAVERSE CITY, MI 49684
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 Krzystowczyk's NPI number?
The NPI number for Mary Krzystowczyk is 1912504978. It was assigned to this individual provider in the NPPES registry on October 2, 2020.
Where is Mary Krzystowczyk located?
Mary Krzystowczyk practices at 1105 Sixth St, Traverse City, MI 49684. The listed phone number is (231) 935-5000.
What is Mary Krzystowczyk's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Mary Krzystowczyk enrolled in Medicare?
Yes. Mary Krzystowczyk is registered in the Medicare PECOS enrollment system.
What insurance does Mary Krzystowczyk accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Mary Krzystowczyk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Krzystowczyk was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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 Margaret Krzystowczyk, NP · NPI 1912504978
Primary Care physician in Traverse City, Michigan. Individual provider, active in the CMS NPPES registry since October 2, 2020.
## Identity
- **NPI:** 1912504978 (Entity type: Individual)
- **Enumerated:** October 2, 2020
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 4704301134 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1105 SIXTH ST, Traverse City, MI 49684-2300
- **Phone:** (231) 935-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** July 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1912504978) · Data from the CMS NPPES public registry.