DR. HARRIETT MAE HIDALGO CHAN D.C.
NPI 1235472127
Chiropractor in River Forest, IL
About Dr. Harriett Mae Hidalgo Chan D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARRIETT MAE HIDALGO CHAN D.C. (NPI 1235472127) is an individual chiropractor in River Forest, Illinois, licensed in Illinois (038012377) and active in the NPI registry since March 2013. She maintains a secondary practice location in Chicago and is a graduate of National College Of Chiropractic (2012).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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. Harriett Mae Hidalgo Chan D.c. 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 Harriett Mae Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
River Forest, IL 60305
- Reassigned Medicare billing, Illinois enrollment
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
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.
Other Providers at the Same Location NPPES 2
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 Harriett Mae Chan's NPI number?
The NPI number for Harriett Mae Chan is 1235472127. It was assigned to this individual provider in the NPPES registry on March 29, 2013. The provider is also known as Mrs. Harriett Mae Chan Sumang.
Where is Harriett Mae Chan located?
Harriett Mae Chan practices at 7363 North Ave, River Forest, IL 60305. The listed phone number is (708) 209-1155.
What is Harriett Mae Chan's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Harriett Mae Chan enrolled in Medicare?
Yes. Harriett Mae Chan 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 Harriett Mae Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harriett Mae Chan reassigns Medicare benefits to Optimal Balance Chiropractic LLC (River Forest, 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 Harriett Mae Chan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Harriett Mae Chan was last updated on June 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Harriett Mae Hidalgo Chan, D.C. · NPI 1235472127
Chiropractor provider in River Forest, Illinois. Individual provider, active in the CMS NPPES registry since March 29, 2013.
## Identity
- **NPI:** 1235472127 (Entity type: Individual)
- **Enumerated:** March 29, 2013
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 038012377 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 7363 NORTH AVE, River Forest, IL 60305-1230
- **Phone:** (708) 209-1155 · **Fax:** (708) 209-1926
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Optimal Balance Chiropractic LLC (NPI 1104487602, River Forest, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** National College Of Chiropractic, class of 2012
## Record status
- **NPPES last updated:** June 21, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1235472127) · Data from the CMS NPPES public registry.