Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Anne Patricia Graff, RN, NP
Nurse Practitioner in Warren, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639399090
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Mrs. Anne Patricia Graff
Credential RN, NP
Sex Female
Practice address 26811 Ryan Rd, Warren, MI, 48091
Phone (586) 755-4433
Enumeration date Apr 26, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704162784 (MI) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
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
What is the NPI number for Anne Graff?
The National Provider Identifier (NPI) for Anne Graff is 1639399090, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anne Graff practice?
The practice location on file with NPPES is in Warren, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Comprehensive Geriatric Services Inc PC Group Psychotherapy Psychologist · Warren, MI NPI 1780639955 Jane Lozen Psychiatric/Mental Health Nurse Practitioner · Warren, MI NPI 1669427696 Comprehensive Geriatric Services Inc PC Psychiatry Physician · Warren, MI NPI 1528007697 Comprehensive Geriatric Services Inc PC Medical Physician Assistant · Warren, MI NPI 1437198504 Comprehensive Geriatric Services Inc PC Clinical Social Worker · Warren, MI NPI 1730128802 Comprehensive Geriatric Services Inc PC Psychiatric/Mental Health Nurse Practitioner · Warren, MI NPI 1649219718 Nancy Koenig-Forbis Clinical Psychologist · Warren, MI NPI 1467492959 Robeert Kelly Clinical Social Worker · Warren, MI NPI 1770523565
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.