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

Alexandra M Herweck, MD, MPH

Individual provider Reproductive Endocrinology Physician · NPI 1609453257

Alexandra M Herweck, MD, MPH is an Obstetrics/Gynecology in Chicago, Illinois. Qualified in 2021, 5 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
5
Licensed in
IL
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

259 E Erie St Ste 2400
Chicago, IL 60611-3907
Phone: (312) 695-7269
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Reproductive Endocrinology Physician (primary) Taxonomy 207VE0102X · Licence 036.174659 (IL)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 036174659 (IL)

Record details

NPI number1609453257
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedMarch 28, 2021
Last updated in NPPESNovember 20, 2025
Certification dateNovember 20, 2025
Mailing address676 N Saint Clair St Ste 2310, Chicago, IL 60611-2915

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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