Provider Demographics
NPI:1518994979
Name:GRETZINGER, WILLIAM K (DO)
Entity Type:Individual
Prefix:
First Name:WILLIAM
Middle Name:K
Last Name:GRETZINGER
Suffix:
Gender:M
Credentials:DO
Other - Prefix:
Other - First Name:
Other - Middle Name:
Other - Last Name:
Other - Suffix:
Other - Last Name Type:
Other - Credentials:
Mailing Address - Street 1:930 SPRING STREET
Mailing Address - Street 2:
Mailing Address - City:PETOSKEY
Mailing Address - State:MI
Mailing Address - Zip Code:49770
Mailing Address - Country:US
Mailing Address - Phone:800-540-8739
Mailing Address - Fax:616-975-9827
Practice Address - Street 1:416 CONNABLE AVE
Practice Address - Street 2:ER DEPARTMENT
Practice Address - City:PETOSKEY
Practice Address - State:MI
Practice Address - Zip Code:49770
Practice Address - Country:US
Practice Address - Phone:231-487-4000
Practice Address - Fax:
Is Sole Proprietor?:No
Enumeration Date:2006-06-28
Last Update Date:2019-10-09
Deactivation Date:
Deactivation Code:
Reactivation Date:
Provider Licenses
StateLicense IDTaxonomies
MI5101011330207L00000X
MIWG011330207PE0004X
Provider Taxonomies
Primary?CodeTypeClassificationSpecialization
Yes207PE0004XAllopathic & Osteopathic PhysiciansEmergency MedicineEmergency Medical Services
No207L00000XAllopathic & Osteopathic PhysiciansAnesthesiology
Provider Identifiers
StateIdentifier IDID TypeIssuer
MI114081517Medicaid
F71231Medicare UPIN