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

Zachary Benjamin Retzler, PA

Individual provider Medical Physician Assistant · NPI 1972886703

Zachary Benjamin Retzler, PA is a Physician Assistant in Saginaw, Michigan. Qualified in 2011, 15 years ago. Practices with Saginaw Cooperative Hospitals Inc, a 75-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
15
Licensed in
MI
In the registry since
2011
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

912 S Washington Ave Ste 1
Saginaw, MI 48601-2564
Phone: (989) 790-1001
Fax: (989) 790-1002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 5601006179 (MI)

Record details

NPI number1972886703
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedSeptember 28, 2011
Last updated in NPPESApril 2, 2021
Certification dateApril 2, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Saginaw Cooperative Hospitals Inc — 75 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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