Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary E Wolff, NP
Nurse Practitioner in Fitchburg, WI · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619126729
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Registry record
Entity type Individual (Type 1)
Name Mary E Wolff
Credential NP
Sex Female
Practice address 5395 E Cheryl Pkwy, Fitchburg, WI, 53711
Phone (608) 276-4660
Fax (608) 278-4380
Enumeration date Sep 12, 2008
Last updated in NPPES Jan 26, 2016
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 66302-30 (WI) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2038641 | Other | WI | PHYSICIANS PLUS |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Mary Wolff practice?
The practice location on file with NPPES is in Fitchburg, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mary Wolff?
The National Provider Identifier (NPI) for Mary Wolff is 1619126729, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Holly Schaefer Hospice and Palliative Medicine (Psychiatry & Neurology) Physician · Fitchburg, WI NPI 1083680243 Anthony Braus Geriatric Psychiatry Physician · Fitchburg, WI NPI 1033188792 Bernard Micke Family Medicine Physician · Fitchburg, WI NPI 1841251147 Patrick Bertz Family Nurse Practitioner · Fitchburg, WI NPI 1508824673 Ann Schaffer Professional Counselor · Fitchburg, WI NPI 1316983042 Agrace Hospicecare, Incorporated Community Based Hospice Care Agency · Fitchburg, WI NPI 1861503534 Barbara Loevinger Psychiatry Physician · Fitchburg, WI NPI 1225127038 Janet Wright Clinical Social Worker · Fitchburg, WI NPI 1932285962
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-26.