Dr. Raju B. Ray, MD
- Medicare services, 2024
- 2,452
- Medicare patients, 2024
- 517
- Part D claims, 2024
- 1,429
- Hospital affiliations
- 5
- Industry payments
- $6,435
- Practice address
- 901 Biesterfield Rd, Elk Grove Village, IL 60007
- Practice phone
- Call (630) 575-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nephrology Associates of Northern Illinois, Ltd.
Elk Grove Village, Illinois
Find Dr. Ray'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. Raju B. Ray is a nephrologist in Elk Grove Village, Illinois
Dr. Ray practices at Nephrology Associates of Northern Illinois, Ltd. in Elk Grove Village, Illinois.
Dr. Ray's NPI, 1487652186, was assigned on July 7, 2005. Dr. Ray holds Illinois license 036094683.
- NPI
- 1487652186NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072562644
- NPI enumeration date
- July 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (630) 575-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raju B. Ray practices at Nephrology Associates of Northern Illinois, Ltd. in Elk Grove Village, Illinois
Dr. Ray's primary practice is Nephrology Associates of Northern Illinois, Ltd., at 901 Biesterfield Rd, Elk Grove Village, IL 60007 in Cook County. The practice phone is (630) 575-5000.
- Nephrology Associates of Northern Illinois, Ltd.901 Biesterfield Rd, Elk Grove Village, IL 60007 · Cook CountyPhone(630) 575-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Raju B. Ray is affiliated with 12 sites of care and 2 medical groups
Dr. Ray's primary practice is Nephrology Associates of Northern Illinois, Ltd. in Elk Grove Village, Illinois. Dr. Ray is also affiliated with Ascension Alexian Brothers. The medical group on file is Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI also links Dr. Ray to 4 more hospitals, 4 dialysis centers, 2 group practices and clinics 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 Dr. Raju B. Ray's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ray practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nephrology Associates of Northern Illinois, Ltd. | Available with a free account |
| +11 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Raju B. Ray is one of 534 nephrologists in Illinois
Nephrology is Dr. Ray's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ray is licensed in Illinois.
Specialties and state licenses
- Nephrology, IllinoisPrimary
Nephrologists near Dr. Ray
Counts of nephrologists 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. Raju B. Ray billed Medicare for 2,452 services in 2024
CMS data shows 2,452 Medicare services from Dr. Ray across 20 procedure codes in 2024, for 517 Medicare patients. Medicare paid $214,117 for them.
Dr. Ray's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5752024: 1,6183%
- Other services
- 2023: 02024: 433
- Tests and treatments
- 2023: 4692024: 40114%
Where Dr. Ray's Medicare services took place, 2024
- In an office1,45859%
- In a facility99441%
Dr. Ray compared with the Illinois median for nephrologists, 2024
- Dr. Ray
- Illinois median
- Medicare services
- 2,452vs 1,28491% above
- Medicare patients
- 517vs 35745% above
- Part D claims
- 1,330vs 5782.3 times
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ray's most billed Medicare procedure codes, 2024
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. Ray and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raju B. Ray treated 517 Medicare patients in 2024, average age 76
CMS counts 517 Medicare patients who saw Dr. Ray in 2024. The largest group is 75 to 84, with 215 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 19% are also on Medicaid. Their average risk score is 3.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ray's median patient age at 73, with 44% women.
Dr. Ray's Medicare patients by age, 2024
Dr. Ray's Medicare patients by sex, 2024
- Women23545%
- Men28255%
Chronic conditions among Dr. Ray's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Ischemic heart disease60%
- Heart failure55%
- Arthritis54%
- Atrial fibrillation43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ray's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raju B. Ray wrote 1,429 Medicare Part D claims in 2024
In 2024, Dr. Ray wrote 1,429 Medicare Part D claims for 246 patients. 79% of them were for generic drugs. CMS names the drug for 1,330 of them, across 27 drugs with 11 or more claims each, at $295,521 in total drug cost. In 2023, CMS named 1,189 claims across 22 drugs.
Dr. Ray's Part D claims by kind of drug, 2024
- Generic1,129 claims79%
- Brand-name300 claims21%
Dr. Ray's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ray's Part D claims, 2024
- Antibiotics2%31 of 1,429 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1892024: 1,33012%
Drugs named by CMS: 27 in 2024, 22 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Raju B. Ray offers telehealth to Medicare patients
Dr. Ray accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ray as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Raju B. Ray received $6,435 in industry payments from 2016 to 2025
CMS Open Payments shows 179 general payments to Dr. Ray from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Fresenius USA Marketing, Inc. paid the most, $646.
General payments to Dr. Ray by program year, 2016 to 2025
General payments to Dr. Ray by kind, 2016 to 2025
- Food and beverage$5,79890%
- Education$63710%
Companies that paid Dr. Ray the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Raju B. Ray'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Raju B. Ray
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. Raju B. Ray's NPI number?
Dr. Raju B. Ray's NPI number is 1487652186. It was assigned on July 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Raju B. Ray?
Dr. Raju B. Ray is a nephrologist in Elk Grove Village, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Raju B. Ray practice?
Dr. Ray practices at 901 Biesterfield Rd, Elk Grove Village, IL 60007. Dr. Ray's primary practice is Nephrology Associates of Northern Illinois, Ltd. in Elk Grove Village, Illinois. Dmand AI also links Dr. Ray to 4 hospitals, 4 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Raju B. Ray's office phone number?
The practice phone on file for Dr. Ray is (630) 575-5000.
What is Dr. Raju B. Ray's medical license number?
Dr. Ray holds Illinois license 036094683.
Which hospitals is Dr. Raju B. Ray affiliated with?
Dr. Ray is affiliated with Ascension Alexian Brothers. Dmand AI links Dr. Ray to 4 more hospitals.
What medical group is Dr. Raju B. Ray part of?
Dr. Ray is linked to Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI links Dr. Ray to 1 more medical group.
Does Dr. Raju B. Ray accept Medicare?
Yes. CMS data shows Dr. Ray billed Medicare for 2,452 services in 2024, and Dr. Ray accepts Medicare assignment.
Does Dr. Raju B. Ray offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ray as offering telehealth services.
How many Medicare patients does Dr. Raju B. Ray see?
CMS counts 517 Medicare patients who saw Dr. Ray in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Raju B. Ray bill to Medicare?
In 2024, Dr. Ray's most billed Medicare services were hospital inpatient care (99232), medicare service (G2211) and office visit, established patient (99214).
What drugs does Dr. Raju B. Ray prescribe most?
In 2024 Medicare Part D data, Dr. Ray's most prescribed drugs by claims were Losartan Potassium, Farxiga and Amlodipine Besylate.
Has Dr. Raju B. Ray received payments from drug or device companies?
CMS Open Payments shows $6,435 in general payments to Dr. Ray from 38 companies from 2016 to 2025. The largest total came from Fresenius USA Marketing, Inc.
How long has Dr. Raju B. Ray been practicing?
Dr. Ray graduated from medical school in 1990, 36 years ago.
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