Greenwich Fertility and IVF Center, PC vs Illume Fertility
Two fertility clinics in the Stamford and Bridgeport area, about 15 miles apart. Their CDC live-birth rates at every patient age, what each posts for IVF and other treatments, refund programs and services, side by side and cited.
Greenwich Fertility and IVF Center, PC (Greenwich, CT) and Illume Fertility (Norwalk, CT) are fertility clinics in the Stamford and Bridgeport area, about 15 miles apart. For patients under 35, Greenwich Fertility and IVF Center, PC reported a live-birth rate of 47.6% per intended egg retrieval and Illume Fertility reported 50.9% (CDC data for 2022). Greenwich Fertility and IVF Center, PC posts no IVF price on its website. Illume Fertility posts no IVF price on its website. A higher rate can reflect who a clinic treats as much as how well it treats them, and posted prices cover different services, so read the terms below.
Success rates at every age
Each clinic's CDC live-birth rate per intended egg retrieval, for patients using their own eggs, in each age band (2022 data). Read the row for your age. A dash means the CDC reported no rate for that clinic at that age.
For patients under 35, Greenwich Fertility and IVF Center, PC reported a live-birth rate of 47.6% per intended egg retrieval and Illume Fertility reported 50.9% (CDC data for 2022). Greenwich Fertility and IVF Center, PC reported the higher rate for patients 35 to 37, 38 to 40 and over 40, and Illume Fertility for patients under 35.
These are averages for each clinic's own patients, who differ in age, diagnosis and treatment history, so a higher rate can reflect who a clinic treats as much as how well it treats them. The CDC's own guidance says "comparisons between clinics should be made with caution", because clinics "have different patient populations or ART treatment methods". See how to read IVF success rates.
What each clinic posts on its website
Each amount is the clinic's own posted figure, linked to the page it was read on, with what it covers. The two clinics' amounts rarely cover the same services, so we never call one cheaper from posted prices: read the terms, then ask both for an itemized quote.
Greenwich Fertility and IVF Center, PC
Posts no IVF price on its website (read Sep 25, 2026). Its price comes from a quote, usually after a consultation.
Illume Fertility
Posts no IVF price on its website (read Oct 1, 2026). Its price comes from a quote, usually after a consultation.
Refund programs and multi-cycle packages
How IVF refund programs workGreenwich Fertility and IVF Center, PC
Offers no IVF refund program or multi-cycle package on its website (read Oct 6, 2026).
Illume Fertility
- Sunfish IVF Success Program (Gold)
A refund if no live birth (amount not posted); covers up to 2 egg retrievals; medications extra
Price not posted
Read Oct 6, 2026. Full terms on its page
Egg freezing
What egg freezing costsGreenwich Fertility and IVF Center, PC
Posts no egg freezing price on its website (read Oct 4, 2026).
Greenwich Fertility and IVF Center, PC
Posts no IUI price on its website (read Oct 8, 2026).
Reciprocal IVF
What reciprocal IVF costsGreenwich Fertility and IVF Center, PC
No reciprocal IVF price or description we could confirm.
Illume Fertility
Describes reciprocal IVF as one of its services, without a price (read Oct 11, 2026).
If you are paying without insurance, ask each clinic for a Good Faith Estimate: an itemized list of expected charges it must give you within 3 business days of your request. Two itemized estimates are the only like-for-like price comparison. To see what your own plan would cost, use the IVF cost calculator.
What each clinic offers
From each clinic's own report to the CDC ART Services and Profile dataset. A field marked not reported was left blank in the CDC data.
Where they are, and what insurance must cover
Greenwich Fertility and IVF Center, PC is in Greenwich, CT and Illume Fertility is in Norwalk, CT, about 15 miles apart. Both are in the Stamford and Bridgeport metro area. Contact details come from the CDC and may have changed.
Greenwich Fertility and IVF Center, PC
55 Holly Hill Ln, Suite 270, Greenwich, CT 06830
- Phone
- (203) 863-2990
- Medical director
- Barry R. Witt, MD
- CDC status
- Open
Illume Fertility
761 Main Ave, Suite 200, Norwalk, CT 06851
- Phone
- (203) 750-7400
- Medical director
- Mark P. Leondires, MD
- CDC status
- Open
Insurance law
- Connecticut: Must cover IVFYes, for many plans: Connecticut requires some fully-insured health plans to cover IVF. Connecticut's full answer
The law that applies follows your health plan, not the clinic you choose, and it does not reach self-funded employer plans. See what your insurer or employer covers.
Common questions about Greenwich Fertility and IVF Center, PC and Illume Fertility
Which has the higher IVF success rate, Greenwich Fertility and IVF Center, PC or Illume Fertility?
For patients under 35, Greenwich Fertility and IVF Center, PC reported a live-birth rate of 47.6% per intended egg retrieval and Illume Fertility reported 50.9% (CDC data for 2022). Greenwich Fertility and IVF Center, PC reported the higher rate for patients 35 to 37, 38 to 40 and over 40, and Illume Fertility for patients under 35. These are averages for each clinic's own patients, who differ in age, diagnosis and treatment history, so a higher rate can reflect who a clinic treats as much as how well it treats them.
How much does IVF cost at Greenwich Fertility and IVF Center, PC compared with Illume Fertility?
Neither Greenwich Fertility and IVF Center, PC nor Illume Fertility posts an IVF price on its website, so both prices come from a quote, usually after a consultation. If you are paying without insurance, ask each clinic for a Good Faith Estimate: an itemized list of expected charges it must give you within 3 business days of your request. Ask what each quote covers: medications, monitoring, anesthesia, embryo freezing and a frozen transfer are often billed separately.
Do Greenwich Fertility and IVF Center, PC and Illume Fertility offer IVF refund programs?
Greenwich Fertility and IVF Center, PC offers no refund program or multi-cycle package on its website, and Illume Fertility offers a program that returns money if treatment fails (each clinic's own website, read on Oct 6, 2026). Before you sign up for any program, ask for the written contract: what counts as success, how much comes back, and which medications and procedures are excluded.
Which is the larger clinic, Greenwich Fertility and IVF Center, PC or Illume Fertility?
Illume Fertility is the larger clinic: it reported 1,511 cycles to the CDC and Greenwich Fertility and IVF Center, PC reported 241, about 6.3 times as many. Cycle volume shows how busy a clinic is, not how good it is.
How far apart are Greenwich Fertility and IVF Center, PC and Illume Fertility?
Greenwich Fertility and IVF Center, PC is in Greenwich, CT and Illume Fertility is in Norwalk, CT, about 15 miles apart. Both are in the Stamford and Bridgeport metro area.
Does insurance cover IVF at Greenwich Fertility and IVF Center, PC and Illume Fertility?
Yes, for many plans: Connecticut requires some fully-insured health plans to cover IVF. Fully-insured plans must cover infertility treatment for people covered for at least 12 months, including up to two IVF cycles, four cycles of ovulation induction and three of IUI over a lifetime. Fertility preservation: Fertility preservation is covered when a medically necessary treatment may cause infertility. State insurance laws reach only fully-insured plans, and 67% of covered US workers are in self-funded employer plans, which set their own fertility benefits whatever the state requires. About 50% of employers with 500 or more workers now cover IVF.