Dr. Lillian Njoku, MD
- Medicare services, 2021
- 66
- Part D claims, 2020
- 54
- Industry payments
- $32
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 33 S State St, Chicago, IL 60603
- Practice phone
- Call (877) 868-5351
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health Medical Associates PLLC
Chicago, Illinois
Find Dr. Njoku's 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.
Dr. Lillian Njoku is a general practice physician in Chicago, Illinois
Dr. Njoku practices at Signify Health Medical Associates PLLC in Chicago, Illinois.
Dr. Njoku's NPI, 1972904621, was assigned on September 12, 2014. Dr. Njoku graduated from Ross University School of Medicine in 2003. Dr. Njoku holds Connecticut license 45936.
- NPI
- 1972904621NPI Registry (opens in a new tab)
- NPI enumeration date
- September 12, 2014
- NPI status
- Active
- Practice phone
- (877) 868-5351
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Lillian Njoku practices at Signify Health Medical Associates PLLC in Chicago, Illinois
Dr. Njoku's primary practice is Signify Health Medical Associates PLLC, at 33 S State St, Chicago, IL 60603 in Cook County. The practice phone is (877) 868-5351.
- Signify Health Medical Associates PLLC33 S State St, Chicago, IL 60603 · Cook CountyPhone(877) 868-5351
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lillian Njoku is affiliated with 2 sites of care and 1 medical group
Dr. Njoku's primary practice is Signify Health Medical Associates PLLC in Chicago, Illinois. The medical group on file is Signify Health. Dmand AI also links Dr. Njoku to 1 more group practice or clinic, 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 Dr. Lillian Njoku's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Njoku practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health Medical Associates PLLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lillian Njoku is one of 275 general practice physicians in Illinois
General practice is Dr. Njoku's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Njoku is licensed in Connecticut.
Specialties and state licenses
- General practice, ConnecticutPrimary
General practice physicians near Dr. Njoku
Counts of general practice physicians 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
Dr. Lillian Njoku billed Medicare for 66 services in 2021
CMS data shows 66 Medicare services from Dr. Njoku across 3 procedure codes in 2021. Medicare paid $5,324 for them. Every service was in an office.
Dr. Njoku's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1562021: 4969%
- Lab and pathology
- 2020: 02021: 17
Dr. Njoku compared with the Illinois median for general practice physicians, 2021
- Dr. Njoku
- Illinois median
- Medicare services
- 66vs 33080% below
- Part D claims
- 54vs 56Close to median
Medians across 198 general practice physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Njoku's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Njoku and other general practice physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lillian Njoku's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Njoku's median patient age at 53, with 100% women.
Dr. Njoku's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Lillian Njoku wrote 54 Medicare Part D claims in 2020
In 2020, Dr. Njoku wrote 54 Medicare Part D claims. They cover 4 drugs, with $887 in total drug cost.
Dr. Njoku's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Lillian Njoku received $32 in industry payments from 2016 to 2019
CMS Open Payments shows 2 general payments to Dr. Njoku from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $20.
General payments to Dr. Njoku by program year, 2016 to 2019
Companies that paid Dr. Njoku the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lillian Njoku graduated from Ross University School of Medicine
Dr. Njoku graduated from Ross University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lillian Njoku'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Dr. Lillian Njoku
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lillian Njoku's NPI number?
Dr. Lillian Njoku's NPI number is 1972904621. It was assigned on September 12, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Lillian Njoku?
Dr. Lillian Njoku is a general practice physician in Chicago, Illinois. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Lillian Njoku practice?
Dr. Njoku practices at 33 S State St, Chicago, IL 60603. Dr. Njoku's primary practice is Signify Health Medical Associates PLLC in Chicago, Illinois. Dmand AI also links Dr. Njoku to 1 group practice or clinic.
What is Dr. Lillian Njoku's office phone number?
The practice phone on file for Dr. Njoku is (877) 868-5351.
What is Dr. Lillian Njoku's medical license number?
Dr. Njoku holds Connecticut license 45936.
What medical group is Dr. Lillian Njoku part of?
Dr. Njoku is linked to Signify Health.
Does Dr. Lillian Njoku accept Medicare?
Yes. CMS data shows Dr. Njoku billed Medicare for 66 services in 2021.
What services does Dr. Lillian Njoku bill to Medicare?
In 2021, Dr. Njoku's most billed Medicare services were office visit, established patient (99213), lab and pathology test (87635) and office visit, new patient (99203).
Where did Dr. Lillian Njoku go to medical school?
Dr. Njoku graduated from Ross University School of Medicine in 2003.
What drugs does Dr. Lillian Njoku prescribe most?
In 2020 Medicare Part D data, Dr. Njoku's most prescribed drugs by claims were Azithromycin, Prednisone and Albuterol Sulfate Hfa.
Has Dr. Lillian Njoku received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Njoku from 2 companies from 2016 to 2019. The largest total came from Gilead Sciences, Inc.
How long has Dr. Lillian Njoku been practicing?
Dr. Njoku graduated from medical school in 2003, 23 years ago.
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