Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marianna Worczak, MD

Individual provider Family Medicine Physician · NPI 1609190560

Marianna Worczak, MD is a Family Practice in Hayward, Wisconsin. Qualified in 2010, 16 years ago. Practices with Medical Services, Inc, a 32-clinician group and accepts Medicare assignment. Licensed in New York and Wisconsin.

Years since qualifying
16
Licensed in
NY, WI
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

535 11040 N State Rd 77st
Hayward, WI 54843-3606
Phone: (715) 934-4985
Fax: (716) 372-6421
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 85750 (WI)
Family Medicine Physician Taxonomy 207Q00000X · Licence 270703 (NY)

Record details

NPI number1609190560
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2010
Last updated in NPPESOctober 8, 2025
Certification dateOctober 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Medical Services, Inc — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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