Marianna Bilis, OD
- Medicare patients, 2024
- 2,339
- MIPS score, 2024
- 97
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 901 Maple Ave, Evanston, IL 60202
- Practice phone
- Call (773) 588-3090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Charles S Ovitsky
Evanston, Illinois
Find Marianna Bilis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Marianna Bilis is an optometrist in Evanston, Illinois
Marianna Bilis practices at Charles S Ovitsky in Evanston, Illinois.
Marianna Bilis' NPI, 1912976044, was assigned on March 14, 2006. Marianna Bilis graduated from Illinois College of Optometry at Chicago in 1996. Marianna Bilis holds Illinois license 046008924.
- NPI
- 1912976044NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204877723
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 588-3090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marianna Bilis practices at Charles S Ovitsky in Evanston, Illinois
Marianna Bilis' primary practice is Charles S Ovitsky, at 901 Maple Ave, Evanston, IL 60202 in Cook County. The practice phone is (773) 588-3090.
- Charles S Ovitsky901 Maple Ave, Evanston, IL 60202 · Cook CountyPhone(773) 588-3090
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marianna Bilis is affiliated with 2 sites of care and 1 medical group
Marianna Bilis' primary practice is Charles S Ovitsky in Evanston, Illinois. Dmand AI also links Marianna Bilis to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Marianna Bilis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marianna Bilis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charles S Ovitsky | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Marianna Bilis is one of 2,194 optometrists in Illinois
Optometrist is Marianna Bilis' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Marianna Bilis is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Marianna Bilis
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Marianna Bilis treated 2,339 Medicare patients in 2024, average age 78
CMS counts 2,339 Medicare patients who saw Marianna Bilis in 2024. The largest group is 85 and over, with 758 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 85% are also on Medicaid. Their average risk score is 2.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Marianna Bilis' median patient age at 79, with 56% women.
Marianna Bilis' Medicare patients by age, 2024
Marianna Bilis' Medicare patients by sex, 2024
- Women1,36758%
- Men97242%
Chronic conditions among Marianna Bilis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders72%
- Depression64%
- Alzheimer's and dementia61%
- Arthritis59%
- Anxiety56%
- Diabetes50%
Share of Medicare patients with each condition. A patient can have several.
Marianna Bilis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marianna Bilis scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Marianna Bilis for performance year 2024, reported as part of a group. Marianna Bilis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Marianna Bilis' MIPS scores, performance year 2024
- 97of 100Final score
- 74.5of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Marianna Bilis graduated from Illinois College of Optometry at Chicago
Marianna Bilis graduated from Illinois College of Optometry at Chicago in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Marianna Bilis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Marianna Bilis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marianna Bilis' NPI number?
Marianna Bilis' NPI number is 1912976044. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What does Marianna Bilis specialize in?
Marianna Bilis is an optometrist in Evanston, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Marianna Bilis practice?
Marianna Bilis practices at 901 Maple Ave, Evanston, IL 60202. Marianna Bilis' primary practice is Charles S Ovitsky in Evanston, Illinois. Dmand AI also links Marianna Bilis to 1 group practice or clinic and 1 medical group.
What is Marianna Bilis' office phone number?
The practice phone on file for Marianna Bilis is (773) 588-3090.
What is Marianna Bilis' medical license number?
Marianna Bilis holds Illinois license 046008924.
Does Marianna Bilis accept Medicare?
Yes. CMS lists Marianna Bilis as accepting Medicare assignment.
What is Marianna Bilis' MIPS score?
Marianna Bilis' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Marianna Bilis see?
CMS counts 2,339 Medicare patients who saw Marianna Bilis in 2024, with an average age of 78.
Where did Marianna Bilis go to medical school?
Marianna Bilis graduated from Illinois College of Optometry at Chicago in 1996.
How long has Marianna Bilis been practicing?
Marianna Bilis graduated from medical school in 1996, 30 years ago.
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