Mary Margaret Krzystowczyk, NP

Primary specialty

Primary Care Nurse PractitionerTaxonomy code 363LP2300X

License

4704301134 Issued in MI

Practice address

1105 Sixth St
Traverse City, MI 49684-2300

Phone

(231) 935-5000

NPI assigned

Oct 2, 2020

Last updated

Jul 16, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Ih Physician Services PC

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Clinton Township, MI
  • NPI 1881432060

  Single Specialty

  Medicare reassignment NPD
• Munson Medical Center

  dba Endocrinology and Metabolism

  • Endocrinology, Diabetes & Metabolism Physician
  • Traverse City, MI
  • NPI 1083761860
  Medicare reassignment
• Northstar Palliative Care Inc

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Ann Arbor, MI
  • NPI 1033638077
  Medicare reassignment
• Ih Physician Services, PC

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Knoxville, TN
  • NPI 1770469389

  Single Specialty

  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1601596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1912504978",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1105 SIXTH ST",
            "city": "TRAVERSE CITY",
            "state": "MI",
            "postal_code": "496842300",
            "telephone_number": "231-935-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1105 SIXTH ST",
            "city": "TRAVERSE CITY",
            "state": "MI",
            "postal_code": "496842300",
            "telephone_number": "231-935-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KRZYSTOWCZYK",
        "first_name": "MARY",
        "middle_name": "MARGARET",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-10-02",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "CO",
            "license": "AG01200132",
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "MI",
            "license": "4704301134",
            "primary": true
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "CO",
            "license": "AG01200132",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Laura Elizabeth Kroll
• Margaret Kristen Kroll, AU.D.
• Paul L Kropf, O.D.
• Rebecca Ann Krouskop
• Mark David Krull, DDS
• Pamela Anne Kucharczyk, PHARMD
• Kimberly Kucharski, LLMSW
• Amy P Kudary, P.A.
• Ann K Kuenker, D.O.
• Craig Thomas Kuesel, D.O.

• Primary Care Nurse Practitioner in Traverse City, MI
• Providers in Traverse City, MI by specialty
• Primary Care Nurse Practitioner in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.