Dr. Karthik Vikram Giridhar, MD
- Medicare services, 2024
- 48,892
- Medicare patients, 2024
- 470
- Part D claims, 2024
- 274
- Publications
- 45
- Clinical trials
- 4
- Practice address
- 200 First Street SW, Rochester, MN 55905
- Practice phone
- Call (507) 284-5968
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Breast Diagnostic Clinic
Mammography / Breast Imaging Center · Rochester, Minnesota
Find Dr. Giridhar'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. Karthik Vikram Giridhar is a medical oncologist in Rochester, Minnesota
Dr. Giridhar practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota.
Dr. Giridhar's NPI, 1962778183, was assigned on April 2, 2012. Dr. Giridhar graduated from University of Pittsburgh School of Medicine in 2012. Dr. Giridhar holds Minnesota license 59131.
- NPI
- 1962778183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941512230
- NPI enumeration date
- April 2, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (507) 284-5968
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karthik Vikram Giridhar practices at Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota
Dr. Giridhar's primary practice is Mayo Clinic Breast Diagnostic Clinic, at 200 First Street SW, Rochester, MN 55905. The practice phone is (507) 284-5968.
- Mayo Clinic Breast Diagnostic Clinic200 First Street SW, Rochester, MN 55905Phone(507) 284-5968
Source: Dmand AI Affiliation Data
Dr. Karthik Vikram Giridhar is affiliated with 4 sites of care and 1 medical group
Dr. Giridhar's primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dr. Giridhar is also affiliated with Mayo Clinic Hospital, Saint Marys Campus. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Giridhar to 1 more clinical lab and 1 hospice, each named with a free account. Dr. Giridhar's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karthik Vikram Giridhar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Giridhar practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Breast Diagnostic Clinic | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karthik Vikram Giridhar is one of 122 medical oncologists in Minnesota
Medical oncology is Dr. Giridhar's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Giridhar is licensed in Minnesota.
Specialties and state licenses
- Medical oncology, MinnesotaPrimary
Clinical focus
Dmand AI lists breast cancer and lung cancer among the conditions Dr. Giridhar treats.
Medical oncologists near Dr. Giridhar
Counts of medical 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. Karthik Vikram Giridhar billed Medicare for 48,892 services in 2024
CMS data shows 48,892 Medicare services from Dr. Giridhar across 41 procedure codes in 2024, for 470 Medicare patients. Medicare paid $769,376 for them. Every service was in an office.
Dr. Giridhar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 33,9952024: 46,30536%
- Tests and treatments
- 2023: 1,0192024: 1,37235%
- Other services
- 2023: 2,2512024: 1,07752%
- Office and hospital visits
- 2023: 882024: 13857%
- Surgery
- 2023: 142024: 0100%
Dr. Giridhar compared with the Minnesota median for medical oncologists, 2024
- Dr. Giridhar
- Minnesota median
- Medicare services
- 48,892vs 1,28438.1 times
- Medicare patients
- 470vs 24890% above
- Part D claims
- 200vs 196Close to median
Medians across 119 medical oncologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Giridhar'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.
Need commercial claims for Dr. Giridhar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Giridhar and other medical oncologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karthik Vikram Giridhar treated 470 Medicare patients in 2024, average age 72
CMS counts 470 Medicare patients who saw Dr. Giridhar in 2024. The largest group is 65 to 74, with 255 patients. 64% of them have high blood pressure, and 60% have high cholesterol. 7% are also on Medicaid. Their average risk score is 2.26, 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. Giridhar's median patient age at 64, with 75% women.
Dr. Giridhar's Medicare patients by age, 2024
Dr. Giridhar's Medicare patients by sex, 2024
- Women26657%
- Men20443%
Chronic conditions among Dr. Giridhar's Medicare patients, 2024
- High blood pressure64%
- High cholesterol60%
- Cancer57%
- Arthritis33%
- Chronic kidney disease31%
- Anxiety24%
- Diabetes23%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Giridhar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karthik Vikram Giridhar wrote 274 Medicare Part D claims in 2024
In 2024, Dr. Giridhar wrote 274 Medicare Part D claims for 79 patients. 80% of them were for generic drugs. CMS names the drug for 200 of them, across 7 drugs with 11 or more claims each, at $444,924 in total drug cost. In 2023, CMS named 168 claims across 6 drugs.
Dr. Giridhar's Part D claims by kind of drug, 2024
- Generic219 claims80%
- Brand-name and other55 claims20%
Dr. Giridhar'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1682024: 20019%
Drugs named by CMS: 7 in 2024, 6 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. Karthik Vikram Giridhar offers telehealth to Medicare patients
Dr. Giridhar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Giridhar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Karthik Vikram Giridhar has 45 publications on record
Dmand AI links 45 papers to Dr. Giridhar, published from 2011 to 2025. 2024 was the busiest year, with 10. The most frequent topics are Breast Neoplasms, Antineoplastic Combined Chemotherapy Protocols and Antineoplastic Agents. Dr. Giridhar has published most often in Breast Cancer Res Treat. Dr. Giridhar's most frequent co-authors are Kathryn Jean Ruddy, MD, MPH, Judy C. Boughey, MD and Tufia Christine Haddad, MD.
Dr. Giridhar's papers by year, 2016 to 2025
Topics Dr. Giridhar writes about most
- Breast Neoplasms
- Antineoplastic Combined Chemotherapy Protocols
- Antineoplastic Agents
- Biomarkers, Tumor
- Breast Neoplasms, Male
- Receptor, ErbB-2
- Double-Blind Method
- Early Detection of Cancer
Dr. Giridhar's most frequent co-authors
- Kathryn Jean Ruddy, MD, MPH14 shared papers
- Judy C. Boughey, MD8 shared papers
- Tufia Christine Haddad, MD8 shared papers
Recent publications by Dr. Giridhar
See who Dr. Giridhar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Giridhar works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karthik Vikram Giridhar has worked on 4 clinical trials
Dmand AI links Dr. Giridhar to 4 clinical trials, 2 of them phase 3 studies. 3 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Endometrial Neoplasms. Eli Lilly and Company sponsors the most, 2. Open Payments lists research payments to Dr. Giridhar that name 2 trials.
Conditions in Dr. Giridhar's trials
- Breast Neoplasms
- Breast Diseases
- Endometrial Neoplasms
- Uterine Neoplasms
Investigators on the most trials with Dr. Giridhar
- Kathleen Kiernan Harnden, MD3 shared trials
- Shakeela Wazeen Bahadur, MD2 shared trials
- Aditya Bardia, MD2 shared trials
Recent clinical trials with Dr. Giridhar
Optimizing Endocrine Therapy Through Motivational Interviewing and Text Interventions (opens in a new tab)
A Study of LY3484356 in Participants With Advanced or Metastatic Breast Cancer or Endometrial Cancer (opens in a new tab)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Karthik Vikram Giridhar received $68,535 in industry payments from 2018 to 2025
CMS Open Payments shows 52 general payments to Dr. Giridhar from 8 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 68% of the total. Novartis Pharmaceuticals Corporation paid the most, $23,827. It also lists 7 research payments totaling $69,898 from 2020 to 2024, naming 2 clinical trials.
General payments to Dr. Giridhar by program year, 2018 to 2025
General payments to Dr. Giridhar by kind, 2018 to 2025
- Consulting fees$46,44668%
- Travel and lodging$17,65726%
- Food and beverage$3,6215%
- Speaker and faculty fees$8001%
- Education$120%
Companies that paid Dr. Giridhar the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karthik Vikram Giridhar graduated from University of Pittsburgh School of Medicine
Dr. Giridhar graduated from University of Pittsburgh School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Karthik Vikram Giridhar accepts plans from 17 insurance carriers
Dr. Giridhar is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Medica
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- +9 more carriersWith a free account
Plan types Dr. Giridhar accepts, by number of carriers
- PPO11
- Medicare10
- HMO7
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karthik Vikram Giridhar'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) |
| 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. Karthik Vikram Giridhar
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. Karthik Vikram Giridhar's NPI number?
Dr. Karthik Vikram Giridhar's NPI number is 1962778183. It was assigned on April 2, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Karthik Vikram Giridhar?
Dr. Karthik Vikram Giridhar is a medical oncologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Karthik Vikram Giridhar practice?
Dr. Giridhar practices at 200 First Street SW, Rochester, MN 55905. Dr. Giridhar's primary practice is Mayo Clinic Breast Diagnostic Clinic in Rochester, Minnesota. Dmand AI also links Dr. Giridhar to 1 clinical lab and 1 hospice.
What is Dr. Karthik Vikram Giridhar's office phone number?
The practice phone on file for Dr. Giridhar is (507) 284-5968.
What is Dr. Karthik Vikram Giridhar's medical license number?
Dr. Giridhar holds Minnesota license 59131.
Which hospitals is Dr. Karthik Vikram Giridhar affiliated with?
Dr. Giridhar is affiliated with Mayo Clinic Hospital, Saint Marys Campus.
What medical group is Dr. Karthik Vikram Giridhar part of?
Dr. Giridhar is linked to Mayo Clinic.
Does Dr. Karthik Vikram Giridhar accept Medicare?
Yes. CMS data shows Dr. Giridhar billed Medicare for 48,892 services in 2024, and Dr. Giridhar accepts Medicare assignment.
Does Dr. Karthik Vikram Giridhar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Giridhar as offering telehealth services.
How many Medicare patients does Dr. Karthik Vikram Giridhar see?
CMS counts 470 Medicare patients who saw Dr. Giridhar in 2024, with an average age of 72.
Show 8 more questionsShow fewer questions
What services does Dr. Karthik Vikram Giridhar bill to Medicare?
In 2024, Dr. Giridhar's most billed Medicare services were injected or infused drug (J9271), injected or infused drug (J1453) and injected or infused drug (J9267).
Where did Dr. Karthik Vikram Giridhar go to medical school?
Dr. Giridhar graduated from University of Pittsburgh School of Medicine in 2012.
What drugs does Dr. Karthik Vikram Giridhar prescribe most?
In 2024 Medicare Part D data, Dr. Giridhar's most prescribed drugs by claims were Letrozole, Tamoxifen Citrate and Verzenio.
Has Dr. Karthik Vikram Giridhar received payments from drug or device companies?
CMS Open Payments shows $68,535 in general payments to Dr. Giridhar from 8 companies from 2018 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Karthik Vikram Giridhar been practicing?
Dr. Giridhar graduated from medical school in 2012, 14 years ago.
Does Dr. Karthik Vikram Giridhar do research?
Dmand AI links 45 publications to Dr. Giridhar, published from 2011 to 2025. Dr. Giridhar has worked on 4 clinical trials.
Who does Dr. Karthik Vikram Giridhar publish with?
Dr. Giridhar's most frequent co-authors are Kathryn Jean Ruddy, MD, MPH (14 shared papers), Judy C. Boughey, MD (8 shared papers) and Tufia Christine Haddad, MD (8 shared papers).
What insurance does Dr. Karthik Vikram Giridhar accept?
Dr. Giridhar is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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