Dr. Shaji K. Kumar, MD
- Medicare services, 2024
- 186
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 151
- Publications
- 762
- Clinical trials
- 37
- Practice address
- 1216 Second Street Southwest, Rochester, MN 55902
- Practice phone
- Call (507) 255-5123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kumar'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. Shaji K. Kumar is a hematology (internal medicine) physician in Rochester, Minnesota
Dr. Kumar practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.
Dr. Kumar's NPI, 1568434090, was assigned on February 7, 2006. Dr. Kumar graduated from All India Institute of Medical Sciences in 1993. Dr. Kumar holds Minnesota license 41493.
- NPI
- 1568434090NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082786025
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (507) 255-5123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shaji K. Kumar practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota
Dr. Kumar's primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.
- Mayo Clinic Hospital, Saint Marys Campus1216 Second Street Southwest, Rochester, MN 55902 · Olmsted CountyPhone(507) 255-5123
Source: Dmand AI Affiliation Data
Dr. Shaji K. Kumar is affiliated with 2 sites of care and 1 medical group
Dr. Kumar's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Kumar to 1 more hospice, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shaji K. Kumar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital, Saint Marys Campus | 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. Shaji K. Kumar is one of 97 hematology (internal medicine) physicians in Minnesota
Internal medicine is Dr. Kumar's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Kumar is board certified in hematology by the American Board of Internal Medicine. Dr. Kumar is licensed in Minnesota.
Specialties and state licenses
- Hematology (internal medicine), MinnesotaPrimary
Clinical focus
Dmand AI lists anemia, multiple myeloma and neutropenia among the conditions Dr. Kumar treats.
Hematology (internal medicine) physicians near Dr. Kumar
Counts of hematology (internal medicine) 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. Shaji K. Kumar billed Medicare for 186 services in 2024
CMS data shows 186 Medicare services from Dr. Kumar across 4 procedure codes in 2024, for 123 Medicare patients. Medicare paid $15,857 for them.
Dr. Kumar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1832024: 15615%
- Tests and treatments
- 2023: 562024: 3046%
- Drugs given in the office
- 2023: 2,5502024: 0100%
Where Dr. Kumar's Medicare services took place, 2024
- In an office9048%
- In a facility9652%
Dr. Kumar compared with the Minnesota median for hematology (internal medicine) physicians, 2024
- Dr. Kumar
- Minnesota median
- Medicare services
- 186vs 1,91690% below
- Medicare patients
- 123vs 18333% below
- Part D claims
- 68vs 15556% below
Medians across 86 hematology (internal medicine) physicians in Minnesota with Dmand AI profiles that report each measure.
Dr. Kumar'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. Kumar and other hematology (internal medicine) physicians in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shaji K. Kumar treated 123 Medicare patients in 2024, average age 70
CMS counts 123 Medicare patients who saw Dr. Kumar in 2024. The largest group is 65 to 74, with 69 patients. 69% of them have high blood pressure, and 61% have high cholesterol. 9% are also on Medicaid. Their average risk score is 2.43, 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. Kumar's median patient age at 69, with 52% women.
Dr. Kumar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kumar's Medicare patients by sex, 2024
- Women5847%
- Men6553%
Chronic conditions among Dr. Kumar's Medicare patients, 2024
- High blood pressure69%
- High cholesterol61%
- Arthritis36%
- Chronic kidney disease35%
- Osteoporosis27%
- Atrial fibrillation24%
- Mood disorders24%
- Heart failure23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kumar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shaji K. Kumar wrote 151 Medicare Part D claims in 2024
In 2024, Dr. Kumar wrote 151 Medicare Part D claims for 59 patients. 77% of them were for generic drugs. CMS names the drug for 68 of them, across 4 drugs with 11 or more claims each, at $467,660 in total drug cost. In 2023, CMS named 72 claims across 3 drugs.
Dr. Kumar's Part D claims by kind of drug, 2024
- Generic116 claims77%
- Brand-name35 claims23%
Dr. Kumar'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. Kumar's Part D claims, 2024
- Antibiotics12%18 of 151 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: 722024: 686%
Drugs named by CMS: 4 in 2024, 3 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. Shaji K. Kumar offers telehealth to Medicare patients
Dr. Kumar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kumar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Shaji K. Kumar has 762 publications on record
Dmand AI links 762 papers to Dr. Kumar, published from 2002 to 2025. 2020 was the busiest year, with 50. The most frequent topics are Multiple Myeloma, Antineoplastic Combined Chemotherapy Protocols and Hematopoietic Stem Cell Transplantation. Dr. Kumar has published most often in Leukemia. Dr. Kumar's most frequent co-authors are Angela Dispenzieri, MD, Morie A. Gertz, MD and Sundararajan V. Rajkumar, MD.
Dr. Kumar's papers by year, 2016 to 2025
Topics Dr. Kumar writes about most
- Multiple Myeloma
- Antineoplastic Combined Chemotherapy Protocols
- Hematopoietic Stem Cell Transplantation
- Transplantation, Autologous
- Dexamethasone
- Lenalidomide
- Antineoplastic Agents
- Immunoglobulin Light Chains
Dr. Kumar's most frequent co-authors
- Angela Dispenzieri, MD377 shared papers
- Morie A. Gertz, MD347 shared papers
- Sundararajan V. Rajkumar, MD309 shared papers
Recent publications by Dr. Kumar
Blood Cancer J
See who Dr. Kumar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kumar works with, so you can find a warm path to the right hematology (internal medicine) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Shaji K. Kumar has worked on 37 clinical trials
Dmand AI links Dr. Kumar to 37 clinical trials, 14 of them phase 2 studies. 5 are still active or recruiting. Conditions studied include Multiple Myeloma, Blood Protein Disorders and Amyloidosis. Mayo Clinic sponsors the most, 18. Open Payments lists research payments to Dr. Kumar that name 5 trials.
Clinical trials with Dr. Kumar by phase
- 7Phase 1: 7 trials
- 10Phase 1/2: 10 trials
- 14Phase 2: 14 trials
- 2Phase 3: 2 trials
- NonePhase 4: no trials
Conditions in Dr. Kumar's trials
- Multiple Myeloma
- Blood Protein Disorders
- Amyloidosis
- Immunoglobulin Light-chain Amyloidosis
- Hematologic Neoplasms
Investigators on the most trials with Dr. Kumar
- Vivek Roy, MD4 shared trials
- Joseph R. Mikhael, MD3 shared trials
- Jeffrey Allan Zonder, MD3 shared trials
Recent clinical trials with Dr. Kumar
Phase 1/2a Study of Belantamab Mafodotin in Relapsed or Refractory AL Amyloidosis (opens in a new tab)
A Study of Modakafusp Alfa in Adult Participants With Multiple Myeloma (opens in a new tab)
A Study Of TAK-981 Given With Monoclonal Antibodies (mAbs) In Adults With Relapsed or Refractory Multiple Myeloma (RRMM) (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Shaji K. Kumar received $658,813 in industry payments from 2016 to 2025
CMS Open Payments shows 353 general payments to Dr. Kumar from 28 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 72% of the total. Janssen Research & Development, LLC paid the most, $185,669. It also lists 68 research payments totaling $176,362 from 2016 to 2025, naming 5 clinical trials.
General payments to Dr. Kumar by program year, 2016 to 2025
General payments to Dr. Kumar by kind, 2016 to 2025
- Consulting fees$468,48372%
- Speaker and faculty fees$92,20714%
- Travel and lodging$84,11313%
- Food and beverage$5,2801%
- Other$5,0481%
Companies that paid Dr. Kumar 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. Shaji K. Kumar has 7 awards and honors on record
Dmand AI lists 7 awards for Dr. Kumar, most recently Merit Award in 2003.
Awards and honors for Dr. Kumar
- 2003
- Merit Award
- William Summerskill Award
- 2002
- Cancer Education Consortium Award
- Methods in Clinical Cancer Research Award
- Travel Award for Presentation at Special Topic Conference on Hepatic Veno-occlusive Disease, Atlanta, GA
- 2001
- American Association of Cancer Research Award
Source: Dmand AI Professional Profile Data
Dr. Shaji K. Kumar graduated from All India Institute of Medical Sciences
Dr. Kumar graduated from All India Institute of Medical Sciences in 1993. Dr. Kumar is a member of ASH.
- Medical school
- Board certified in hematology
Source: Dmand AI Professional Profile Data
Dr. Shaji K. Kumar accepts plans from 17 insurance carriers
Dr. Kumar is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Medica
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Kumar accepts, by number of carriers
- PPO11
- Medicare10
- HMO8
- POS7
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Shaji K. Kumar'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Shaji K. Kumar
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. Shaji K. Kumar's NPI number?
Dr. Shaji K. Kumar's NPI number is 1568434090. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Shaji K. Kumar?
Dr. Shaji K. Kumar is a hematology (internal medicine) physician in Rochester, Minnesota. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).
Where does Dr. Shaji K. Kumar practice?
Dr. Kumar practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. Kumar's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. Kumar to 1 hospice.
What is Dr. Shaji K. Kumar's office phone number?
The practice phone on file for Dr. Kumar is (507) 255-5123.
What is Dr. Shaji K. Kumar's medical license number?
Dr. Kumar holds Minnesota license 41493.
Which hospitals is Dr. Shaji K. Kumar affiliated with?
Dr. Kumar practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota.
What medical group is Dr. Shaji K. Kumar part of?
Dr. Kumar is linked to Mayo Clinic.
Does Dr. Shaji K. Kumar accept Medicare?
Yes. CMS data shows Dr. Kumar billed Medicare for 186 services in 2024, and Dr. Kumar accepts Medicare assignment.
Does Dr. Shaji K. Kumar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kumar as offering telehealth services.
How many Medicare patients does Dr. Shaji K. Kumar see?
CMS counts 123 Medicare patients who saw Dr. Kumar in 2024, with an average age of 70.
Show 9 more questionsShow fewer questions
Is Dr. Shaji K. Kumar board certified?
Yes. Dr. Kumar is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Shaji K. Kumar bill to Medicare?
In 2024, Dr. Kumar's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and infusion or chemotherapy administration (96365).
Where did Dr. Shaji K. Kumar go to medical school?
Dr. Kumar graduated from All India Institute of Medical Sciences in 1993.
What drugs does Dr. Shaji K. Kumar prescribe most?
In 2024 Medicare Part D data, Dr. Kumar's most prescribed drugs by claims were Acyclovir, Revlimid and Lenalidomide.
Has Dr. Shaji K. Kumar received payments from drug or device companies?
CMS Open Payments shows $658,813 in general payments to Dr. Kumar from 28 companies from 2016 to 2025. The largest total came from Janssen Research & Development, LLC.
How long has Dr. Shaji K. Kumar been practicing?
Dr. Kumar graduated from medical school in 1993, 33 years ago.
Does Dr. Shaji K. Kumar do research?
Dmand AI links 762 publications to Dr. Kumar, published from 2002 to 2025. Dr. Kumar has worked on 37 clinical trials.
Who does Dr. Shaji K. Kumar publish with?
Dr. Kumar's most frequent co-authors are Angela Dispenzieri, MD (377 shared papers), Morie A. Gertz, MD (347 shared papers) and Sundararajan V. Rajkumar, MD (309 shared papers).
What insurance does Dr. Shaji K. Kumar accept?
Dr. Kumar is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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