Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gregory Waltz, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1811659592

Gregory Waltz, PMHNP is a Nurse Practitioner in Southfield, Michigan. Qualified in 2021, 5 years ago. Practices with Mustard Seed Family Counseling LLC, a 4-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
5
Licensed in
MI
In the registry since
2021
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

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Practice location Address checks out

29500 Southfield Rd
Southfield, MI 48076-2030
Phone: (248) 765-1795
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 4704314350 (MI)

Record details

NPI number1811659592
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedOctober 9, 2021
Last updated in NPPESOctober 9, 2021
Certification dateOctober 9, 2021
Mailing address4936 Wood St, Waterford, MI 48329-3479

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Mustard Seed Family Counseling Llc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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