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

Dr. Holly Marie Loud, DO

Individual provider Emergency Medicine Physician · NPI 1831306612

Dr. Holly Marie Loud, DO is an Emergency Medicine in McHenry, Illinois. Qualified in 2007, 19 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
19
Licensed in
IL
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone: (815) 759-3100
Fax: (815) 363-9094
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 801 S Milwaukee Ave, Libertyville, IL 60048-3204 — (414) 290-6720

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036127057 (IL)

Record details

NPI number1831306612
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 17, 2007
Last updated in NPPESJanuary 31, 2023
Certification dateJanuary 31, 2023

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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