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

Dr. Glennalyn Tiangson, MD

Individual provider Family Medicine Physician · NPI 1376129783

Dr. Glennalyn Tiangson, MD is a Family Practice in Rockford, Illinois. Qualified in 2006, 20 years ago. Practices with Swedishamerican Hospital, a 387-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
20
Licensed in
IL
In the registry since
2021
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

3505 N Bell School Rd
Rockford, IL 61114-6624
Phone: (779) 696-0300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036.168222 (IL)

Record details

NPI number1376129783
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2021
Last updated in NPPESJune 25, 2024
Certification dateJune 25, 2024

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Swedishamerican Hospital — 387 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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