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Contact Information

WILLIAM K GRETZINGER, DO
416 CONNABLE AVE
ER DEPARTMENT
PETOSKEY, MI49770
 Phone: 231-487-4000
 Fax:
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Emergency Medical Services

207PE0004X 93 Physician/Emergency Medicine
 

Anesthesiology

207L00000X 79 Physician/Addiction Medicine
Indicates primary specialty

NPI Profile & details for WILLIAM K GRETZINGER · (Male)

NPI Number 1518994979
Status Active
Credentials DO (Doctor of Osteopathic)
Entity Individual
Enumeration date 06/28/2006
Last updated 10/09/2019 - About 7 years ago
Sole proprietor 1 No
Identifiers
  • MI License # 5101011330
  • MI License # WG011330
  • MI Medicaid 114081517
Hospital affiliation(s)
  • MCLAREN-NORTHERN MICHIGAN - (Acute Care)
    416 CONNABLE AVE
    PETOSKEY, MI 49770
1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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