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

Diorella Guloy, DO

Individual provider Internal Medicine Physician · NPI 1477782597

Diorella Guloy, DO is an Internal Medicine in Berwyn, Illinois. Qualified in 2009, 17 years ago. Practices with Loyola Medical Group LLC, a 123-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
17
Licensed in
IL
In the registry since
2009
Specialties on file
2
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

3249 Oak Park Ave
Berwyn, IL 60402-3429
Phone: (708) 783-9100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036129072 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036129072 (IL)

Record details

NPI number1477782597
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 10, 2009
Last updated in NPPESJune 11, 2024
Certification dateJune 11, 2024
Mailing address3249 Oak Park Ave, Berwyn, IL 60402-3429

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Loyola Medical Group Llc — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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