Dr. Sepi Dashti
- Illinois license active, first licensed Jun 2021
NPI 1619630480 · Illinois Department of Financial and Professional Regulation, checked Sep 2026 · named on its business listing
General dentist · Lincoln Square
Sigma Dental Clinic
1954 W Foster Ave, Chicago, IL 60640
5 stars in 100+ reviews
Opening hours below
Reviews
5 stars in 100+ reviews
4–5 stars: 99% · 1–2 stars: 1% · 151 written reviews
Last 12 months: 72 reviews · 99% 4–5 stars · Replies: 99% of reviews
39mention a clean office
38mention friendly, welcoming staff
29mention explaining everything before doing it
- Medicaid (Aetna, Blue Cross Blue Shield)
Reviewers trust the dentist’s recommendations
Some reviewers say they trust the dentist’s recommendations and do not believe she recommends work they don’t need.
How the visit felt
29Explaining everything before doing it
12A gentle touch
6Putting nervous patients at ease
Staff and office
39A clean office
38Friendly, welcoming staff
7An honest dentist
Fewer bad reviews, frequent replies
One- and two-star reviews are less common here than at most Chicago practices in this guide, and the clinic replies to nearly all reviews.
- One- and two-star reviews
- 1%of 151 written reviews
- A lower share than 82% of Chicago practices
- Middle Chicago practice: 5%
- Replies to reviews
- 99%of written reviews get a reply
- More replies than 97% of Chicago practices
- Middle Chicago practice: 33%
- Open Saturdays
- Yesopen Saturdays
- Licensed in Illinois since
- 2021its longest-licensed confirmed dentist
- Licensed more recently than 83% of Chicago dentists we list
- Middle Chicago dentist: first licensed 2007
Help understanding costs
Three reviewers describe help understanding costs, including insurance approval before a visit and an estimate that matched the insurance bill.
Medicaid (children)
Aetna (Medicaid) · Blue Cross Blue Shield of Illinois (Medicaid) · CountyCare (Medicaid) · Illinois HFS (Medicaid) · Meridian Health Plan of Illinois (Medicaid) · Molina Health Plan (Medicaid)
Insure Kids Now, Illinois, updated Jul 2026
Ways to pay
- Accepts payment plans (its business profile)
- Accepts credit cards, debit cards, mobile pay and checks (its business profile)
Who you'll see
What they can help with
-
Medicaid & low-cost
Listed by Insure Kids Now for Aetna and Blue Cross Blue Shield of Illinois and CountyCare and Illinois HFS and Meridian Health Plan of Illinois and Molina Health Plan (Illinois, updated Jul 2026)
Also listed on its website
-
Dental implants
Federal Open Payments records link a confirmed dentist to the treatment's maker · Listed category: Dental implants provider
-
Veneers & cosmetic
Listed on its business profile · Listed category: Cosmetic dentist
-
Emergency dentist
Listed on its business profile · Listed category: Emergency dental service
Your review of Sigma Dental Clinic
No account needed · read by us before it goes up
When you can go
- Open late
- until 7 pm, Monday to Friday
- 57% of Chicago practices stay open to 6 pm or later
- Saturday
- 9 am–2 pm
- 53% of Chicago practices open on Saturdays
Mon
10 am–7 pm
Tue
10 am–7 pm
Wed
10 am–7 pm
Thu
10 am–7 pm
Fri
10 am–7 pm
Sat
9 am–2 pm
Sun
Closed
6a9a12p3p6p9p
Hours from its listing. Check when you call.
Getting there
1954 W Foster AveChicago, IL 60640 Get directions
- Wheelchair-accessible restroom and seating
- LGBTQ+ friendly
Its business profile
Ready to call?
Sources and dates
Business listing and reviews, Sep 2026 · sigmadentalclinic.com, Sep 2026 · Illinois Department of Financial and Professional Regulation, Sep 2026 · NPI registry · Insure Kids Now, updated Jul 2026 · City of Chicago community areas