Dr. Subramanya S. Rao, MD
- Medicare services, 2024
- 998
- Medicare patients, 2024
- 422
- Part D claims, 2024
- 1,491
- Publications
- 3
- Clinical trials
- 7
- Practice address
- 20201 Crawford Ave, Olympia Fields, IL 60461
- Practice phone
- Call (708) 756-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prime Healthcare Olympia Fields
Olympia Fields, Illinois
Find Dr. Rao'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. Subramanya S. Rao is a hematologist and oncologist in Olympia Fields, Illinois
Dr. Rao practices at Prime Healthcare Olympia Fields in Olympia Fields, Illinois.
Dr. Rao's NPI, 1740256783, was assigned on February 28, 2006. Dr. Rao graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1990. Dr. Rao holds Illinois license 036092532.
- NPI
- 1740256783NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264479989
- NPI enumeration date
- February 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 756-1000
- 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. Subramanya S. Rao practices at Prime Healthcare Olympia Fields in Olympia Fields, Illinois
Dr. Rao's primary practice is Prime Healthcare Olympia Fields, at 20201 Crawford Ave, Olympia Fields, IL 60461 in Cook County. The practice phone is (708) 756-1000.
- Prime Healthcare Olympia Fields20201 Crawford Ave, Olympia Fields, IL 60461 · Cook CountyPhone(708) 756-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Subramanya S. Rao is affiliated with 11 sites of care and 5 medical groups
Dr. Rao's primary practice is Prime Healthcare Olympia Fields in Olympia Fields, Illinois. Dr. Rao is also affiliated with Olympia Fields Hospital. The medical group on file is Specialty Physicians of Illinois. Dmand AI also links Dr. Rao to 4 more hospitals, 5 group practices and clinics and 4 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Subramanya S. Rao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rao practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prime Healthcare Olympia Fields | Available with a free account |
| +10 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Subramanya S. Rao is one of 563 hematologists and oncologists in Illinois
Hematology and oncology is Dr. Rao's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Rao is licensed in Illinois.
Specialties and state licenses
- Hematology and oncology, IllinoisPrimary
Hematologists and oncologists near Dr. Rao
Counts of hematologists and oncologists 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. Subramanya S. Rao billed Medicare for 998 services in 2024
CMS data shows 998 Medicare services from Dr. Rao across 5 procedure codes in 2024, for 422 Medicare patients. Medicare paid $97,116 for them.
Dr. Rao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1442024: 99813%
Where Dr. Rao's Medicare services took place, 2024
- In an office86086%
- In a facility13814%
Dr. Rao compared with the Illinois median for hematologists and oncologists, 2024
- Dr. Rao
- Illinois median
- Medicare services
- 998vs 1,0565% below
- Medicare patients
- 422vs 28250% above
- Part D claims
- 1,182vs 3283.6 times
Medians across 547 hematologists and oncologists in Illinois with Dmand AI profiles that report each measure.
Dr. Rao'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. Rao and other hematologists and oncologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Subramanya S. Rao treated 422 Medicare patients in 2024, average age 75
CMS counts 422 Medicare patients who saw Dr. Rao in 2024. The largest group is 75 to 84, with 168 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.96, 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. Rao's median patient age at 74, with 62% women.
Dr. Rao's Medicare patients by age, 2024
Dr. Rao's Medicare patients by sex, 2024
- Women23957%
- Men18343%
Chronic conditions among Dr. Rao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer50%
- Arthritis48%
- Ischemic heart disease41%
- Diabetes37%
- Chronic kidney disease34%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Subramanya S. Rao wrote 1,491 Medicare Part D claims in 2024
In 2024, Dr. Rao wrote 1,491 Medicare Part D claims for 281 patients. 68% of them were for generic drugs. CMS names the drug for 1,182 of them, across 38 drugs with 11 or more claims each, at $4,566,402 in total drug cost. In 2023, CMS named 1,554 claims across 42 drugs.
Dr. Rao's Part D claims by kind of drug, 2024
- Generic1,021 claims68%
- Brand-name and other470 claims32%
Dr. Rao'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. Rao's Part D claims, 2024
- Opioids6%87 of 1,491 claims
- Antibiotics5%76 of 1,491 claims
- Antipsychotics, patients 65 and over1%21 of 1,491 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: 1,5542024: 1,18224%
Drugs named by CMS: 38 in 2024, 42 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
How Dr. Subramanya S. Rao takes part in Medicare
Dr. Rao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Subramanya S. Rao has 3 publications on record
Dmand AI links 3 papers to Dr. Rao, published from 2022 to 2025. The most frequent topics are COVID-19. Dr. Rao's most frequent co-authors are John McEvoy Burke, MD, Aileen Cleary Cohen, MD and Ian Winchester Flinn, MD.
Topics Dr. Rao writes about most
- COVID-19
Dr. Rao's most frequent co-authors
- John McEvoy Burke, MD2 shared papers
- Aileen Cleary Cohen, MD2 shared papers
- Ian Winchester Flinn, MD2 shared papers
Recent publications by Dr. Rao
See who Dr. Rao researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rao works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Subramanya S. Rao has worked on 7 clinical trials
Dmand AI links Dr. Rao to 7 clinical trials, 4 of them phase 3 studies. Conditions studied include Breast Neoplasms, Breast Diseases and Hematologic Neoplasms. Novartis Pharmaceuticals sponsors the most, 2. Open Payments lists research payments to Dr. Rao that name 1 trial.
Clinical trials with Dr. Rao by phase
- NonePhase 1: no trials
- 2Phase 1/2: 2 trials
- NonePhase 2: no trials
- 4Phase 3: 4 trials
- NonePhase 4: no trials
Conditions in Dr. Rao's trials
- Breast Neoplasms
- Breast Diseases
- Hematologic Neoplasms
- Lymphoma, B-Cell
- Multiple Endocrine Neoplasia Type 1
Investigators on the most trials with Dr. Rao
- Arielle S. Lee, MD3 shared trials
- Kerry P. Pulver, MD, PhD3 shared trials
- Sunil Babu, MD2 shared trials
Recent clinical trials with Dr. Rao
Safety, Pharmacodynamics and Efficacy of MT-3724 for the Treatment of Patients With Relapsed or Refractory DLBCL (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Subramanya S. Rao received $93,562 in industry payments from 2016 to 2025
CMS Open Payments shows 1,045 general payments to Dr. Rao from 77 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 64% of the total. Daiichi Sankyo Inc. paid the most, $15,350. It also lists 3 research payments totaling $729 in 2019, naming 1 clinical trial.
General payments to Dr. Rao by program year, 2016 to 2025
General payments to Dr. Rao by kind, 2016 to 2025
- Consulting fees$59,45364%
- Food and beverage$21,66623%
- Travel and lodging$5,8566%
- Honoraria$3,3884%
- Other$3,1463%
Companies that paid Dr. Rao the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Subramanya S. Rao graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Rao graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Subramanya S. Rao'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 DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Subramanya S. Rao
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. Subramanya S. Rao's NPI number?
Dr. Subramanya S. Rao's NPI number is 1740256783. It was assigned on February 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Subramanya S. Rao?
Dr. Subramanya S. Rao is a hematologist and oncologist in Olympia Fields, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Subramanya S. Rao practice?
Dr. Rao practices at 20201 Crawford Ave, Olympia Fields, IL 60461. Dr. Rao's primary practice is Prime Healthcare Olympia Fields in Olympia Fields, Illinois. Dmand AI also links Dr. Rao to 4 hospitals, 5 group practices and clinics and 4 medical groups.
What is Dr. Subramanya S. Rao's office phone number?
The practice phone on file for Dr. Rao is (708) 756-1000.
What is Dr. Subramanya S. Rao's medical license number?
Dr. Rao holds Illinois license 036092532.
Which hospitals is Dr. Subramanya S. Rao affiliated with?
Dr. Rao is affiliated with Olympia Fields Hospital. Dmand AI links Dr. Rao to 4 more hospitals.
What medical group is Dr. Subramanya S. Rao part of?
Dr. Rao is linked to Specialty Physicians of Illinois. Dmand AI links Dr. Rao to 4 more medical groups.
Does Dr. Subramanya S. Rao accept Medicare?
Yes. CMS data shows Dr. Rao billed Medicare for 998 services in 2024, and Dr. Rao accepts Medicare assignment.
How many Medicare patients does Dr. Subramanya S. Rao see?
CMS counts 422 Medicare patients who saw Dr. Rao in 2024, with an average age of 75.
What services does Dr. Subramanya S. Rao bill to Medicare?
In 2024, Dr. Rao's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, new patient (99205).
Show 6 more questionsShow fewer questions
Where did Dr. Subramanya S. Rao go to medical school?
Dr. Rao graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1990.
What drugs does Dr. Subramanya S. Rao prescribe most?
In 2024 Medicare Part D data, Dr. Rao's most prescribed drugs by claims were Anastrozole, Prochlorperazine Maleate and Ondansetron HCl.
Has Dr. Subramanya S. Rao received payments from drug or device companies?
CMS Open Payments shows $93,562 in general payments to Dr. Rao from 77 companies from 2016 to 2025. The largest total came from Daiichi Sankyo Inc.
How long has Dr. Subramanya S. Rao been practicing?
Dr. Rao graduated from medical school in 1990, 36 years ago.
Does Dr. Subramanya S. Rao do research?
Dmand AI links 3 publications to Dr. Rao, published from 2022 to 2025. Dr. Rao has worked on 7 clinical trials.
Who does Dr. Subramanya S. Rao publish with?
Dr. Rao's most frequent co-authors are John McEvoy Burke, MD (2 shared papers), Aileen Cleary Cohen, MD (2 shared papers) and Ian Winchester Flinn, MD (2 shared papers).
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