William K Gretzinger is a Emergency Medical Services (Emergency Medicine) Physician based in Petoskey, MI and is specialized in Emergency Medical Services. William K Gretzinger practices in Petoskey, MI and has the professional credentials of DO. The NPI Number for William K Gretzinger is 1518994979 and holds a License No. 5101011330 (Michigan).
The current practice location address for William K Gretzinger is 416 Connable Ave, Petoskey, MI and can be reached out via phone at 231-487-4000.
Identifier | Type | State | Issuer |
---|---|---|---|
114081517 | 05 | MI |
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