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

Loreen A Herwaldt, MD

Individual provider Internal Medicine Physician · NPI 1811979131

Loreen A Herwaldt, MD is an Infectious Disease in Iowa City, Iowa. Graduated from University of Wisconsin School of Medicine in 1977, 49 years ago. Practices with State University of Iowa, a 1,885-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
49
Trained at
University of Wisconsin School of Medicine
Licensed in
IA
In the registry since
2005
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

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 356-8150
Fax: (319) 356-4600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 540 E Jefferson St Ste 400, Iowa City, IA 52245-2479 — (319) 688-7440
  • 701 W Forevergreen Rd, North Liberty, IA 52317-9848 — (319) 356-2633

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 26211 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 26211 (IA)

Record details

NPI number1811979131
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 14, 2005
Last updated in NPPESAugust 5, 2025
Certification dateAugust 5, 2025

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice State University Of Iowa — 1885 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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