DR. HELEN TEMIDAYO WILLIAMS MD
NPI 1427214931
Family Medicine in Chicago, IL
About Dr. Helen Temidayo Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HELEN TEMIDAYO WILLIAMS MD (NPI 1427214931) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036136719) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS 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. Helen Temidayo Williams 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 Reassignments
2Medicare enrollment records show Helen Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60623
- Reassigned Medicare billing, Illinois enrollment
- 147 clinicians in this Medicare group
Chicago, IL 60624
- Reassigned Medicare billing, Illinois enrollment
- 4,870 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Helen Williams's NPI number?
The NPI number for Helen Williams is 1427214931. It was assigned to this individual provider in the NPPES registry on August 4, 2008.
Where is Helen Williams located?
Helen Williams practices at 3860 W Ogden Ave, Chicago, IL 60623. The listed phone number is (872) 588-3000.
What is Helen Williams's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Helen Williams enrolled in Medicare?
Yes. Helen Williams 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 organizations bill Medicare for Helen Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Williams reassigns Medicare benefits to 2 organizations: Lawndale Christian Health Center (Chicago, IL) and Advocate Health And Hospitals Corporation (Chicago, IL). Each 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 Helen Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Helen Williams accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Helen Williams 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.
When was this NPI record last updated?
The NPPES record for Helen Williams was last updated on August 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Helen Temidayo Williams, MD · NPI 1427214931
Family Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since August 4, 2008.
## Identity
- **NPI:** 1427214931 (Entity type: Individual)
- **Enumerated:** August 4, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036136719 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3860 W OGDEN AVE, Chicago, IL 60623-2460
- **Phone:** (872) 588-3000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Lawndale Christian Health Center (NPI 1245289214, Chicago, IL); Advocate Health And Hospitals Corporation (NPI 1801838339, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** August 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1427214931) · Data from the CMS NPPES public registry.