DR. GLENNALYN TIANGSON MD
NPI 1376129783
Family Medicine in Rockford, IL
About Dr. Glennalyn Tiangson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GLENNALYN TIANGSON MD (NPI 1376129783) is an individual family medicine provider in Rockford, Illinois, licensed in Illinois (036.168222) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Uw Health, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Glennalyn Tiangson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Glennalyn Tiangson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 474 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uw Health
Acute Care Hospitals · Rockford, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Glennalyn Tiangson's NPI number?
The NPI number for Glennalyn Tiangson is 1376129783. It was assigned to this individual provider in the NPPES registry on March 24, 2021.
Where is Glennalyn Tiangson located?
Glennalyn Tiangson practices at 3505 N Bell School Rd, Rockford, IL 61114. The listed phone number is (779) 696-0300.
What is Glennalyn Tiangson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Glennalyn Tiangson enrolled in Medicare?
Yes. Glennalyn Tiangson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Glennalyn Tiangson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Glennalyn Tiangson reassigns Medicare benefits to Swedishamerican Hospital (Rockford, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Glennalyn Tiangson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Glennalyn Tiangson accept?
Health plans from Quartz list Glennalyn Tiangson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Glennalyn Tiangson affiliated with any hospitals?
According to CMS data, Glennalyn Tiangson is affiliated with Uw Health.
When was this NPI record last updated?
The NPPES record for Glennalyn Tiangson was last updated on June 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Glennalyn Tiangson, MD · NPI 1376129783
Family Medicine physician in Rockford, Illinois. Individual provider, active in the CMS NPPES registry since March 24, 2021.
## Identity
- **NPI:** 1376129783 (Entity type: Individual)
- **Enumerated:** March 24, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036.168222 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3505 N BELL SCHOOL RD, Rockford, IL 61114-6624
- **Phone:** (779) 696-0300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Swedishamerican Hospital (NPI 1073167664, Rockford, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** June 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1376129783) · Data from the CMS NPPES public registry.