Basic Information
Provider Information
NPI: 1518994979
EntityType: 1
ReplacementNPI:  
OrganizationName:  
LastName: GRETZINGER
FirstName: WILLIAM
MiddleName: K
NamePrefix:  
NameSuffix:  
Credential: DO
OtherOrganizationName:  
OtherOrganizationType:  
OtherLastName:  
OtherFirstName:  
OtherMiddleName:  
OtherNamePrefix:  
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OtherCredential:  
OtherLastNameType:  
Mailing Information
Address1: 930 SPRING STREET
Address2:  
City: PETOSKEY
State: MI
PostalCode: 49770
CountryCode: US
TelephoneNumber: 8005408739
FaxNumber: 6169759827
Practice Location
Address1: 416 CONNABLE AVE
Address2: ER DEPARTMENT
City: PETOSKEY
State: MI
PostalCode: 49770
CountryCode: US
TelephoneNumber: 2314874000
FaxNumber:  
Other Information
ProviderEnumerationDate: 06/28/2006
LastUpdateDate: 10/09/2019
NPIDeactivationReasonCode:  
NPIDeactivationDate:  
NPIReactivationDate:  
ProviderGenderCode: M
AuthorizedOfficialLastName:  
AuthorizedOfficialFirstName:  
AuthorizedOfficialMiddleName:  
AuthorizedOfficialTitleorPosition:  
AuthorizedOfficialTelephone:  
IsSoleProprietor: N
IsOrganizationSubpart:  
ParentOrganizationLBN:  
AuthorizedOfficialNamePrefix:  
AuthorizedOfficialNameSuffix:  
AuthorizedOfficialCredential:  
NPICertificationDate:  

Taxonomy Information
TaxonomyLicenseStateSwitchTaxonomyGroupTaxonomyTypeTaxonomyClassSubSpecialty
207L00000X5101011330MIN Allopathic & Osteopathic PhysiciansAnesthesiology 
207PE0004XWG011330MIY Allopathic & Osteopathic PhysiciansEmergency MedicineEmergency Medical Services

ID Information
IDTypeStateIssuerDescription
11408151705MI MEDICAID


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