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

Ann M Griesacker, CRNP

Individual provider Family Nurse Practitioner · NPI 1437442993

Ann M Griesacker, CRNP is a Nurse Practitioner in Erie, Pennsylvania. Qualified in 2010, 16 years ago. Practices with Bay City Psychiatry, LLC, a 3-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
16
Licensed in
PA
In the registry since
2011
Specialties on file
2
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

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Practice location Address checks out

3250 W Lake Rd Ste 1
Erie, PA 16505-3691
Phone: (814) 454-1085
Fax: (814) 240-3976
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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 SP011370 (PA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence SP011370 (PA)

Record details

NPI number1437442993
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedMay 17, 2011
Last updated in NPPESJanuary 24, 2023
Certification dateJanuary 24, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Bay City Psychiatry, Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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