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Contact Information

RYAN D GUERRETTAZ, MD
8701 WATERTOWN PLANK RD
MILWAUKEE, WI53226-3548
 Phone: 414-955-4575
 Fax:
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Pediatric Hematology-Oncology

2080P0207X 37 Physician/Pediatric Medicine
 

Internal Medicine

207R00000X 11 Physician/Internal Medicine
 

Student in an Organized Health Care Education/Training Program

390200000X
Indicates primary specialty

NPI Profile & details for RYAN D GUERRETTAZ · (Male)

NPI # 1861951725
Status Active
Credentials MD
Entity Individual
Enumeration date 03/19/2019
Last updated 06/26/2023 - About 3 years ago
Sole proprietor 1 No
Identifiers
  • IL License # 125.074606
  • WI License # 81491-20
Hospital affiliation(s) Not Available
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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