Dr. Kartik Rama Krishnan, MD
- Medicare services, 2024
- 888
- Medicare patients, 2024
- 329
- Part D claims, 2024
- 284
- Publications
- 6
- MIPS score, 2024
- 90
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Krishnan'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. Kartik Rama Krishnan is an internist in Walnut Creek, California
Dr. Krishnan practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Krishnan's NPI, 1407086853, was assigned on July 20, 2009. Dr. Krishnan graduated from Duke University School Of Medicine in 2009. Dr. Krishnan holds California license A130827.
- NPI
- 1407086853NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769630607
- NPI enumeration date
- July 20, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kartik Rama Krishnan practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Krishnan's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- John Muir Medical Center, Walnut Creek1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Source: Dmand AI Affiliation Data
Dr. Kartik Rama Krishnan is affiliated with 6 sites of care and 2 medical groups
Dr. Krishnan's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. Krishnan is also affiliated with Concord Medical Center. The medical group on file is John Muir Health. Dmand AI also links Dr. Krishnan to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kartik Rama Krishnan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Krishnan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center, Walnut Creek | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kartik Rama Krishnan is one of 16,751 internists in California
Internal medicine is Dr. Krishnan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Krishnan is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Krishnan's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Washington license
Clinical focus
Dmand AI lists acute diabetes, anemia, cardiac arrhythmia, chest pain, circulatory problems in extremities, cirrhosis, congestive heart failure and dementia among the conditions Dr. Krishnan treats.
Internists near Dr. Krishnan
Counts of internists 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. Kartik Rama Krishnan billed Medicare for 888 services in 2024
CMS data shows 888 Medicare services from Dr. Krishnan across 3 procedure codes in 2024, for 329 Medicare patients. Medicare paid $71,062 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Krishnan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8992024: 8881%
Dr. Krishnan compared with the California median for internists, 2024
- Dr. Krishnan
- California median
- Medicare services
- 888vs 3612.5 times
- Medicare patients
- 329vs 1512.2 times
- Part D claims
- 83vs 42180% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Krishnan'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. Krishnan and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kartik Rama Krishnan treated 329 Medicare patients in 2024, average age 76
CMS counts 329 Medicare patients who saw Dr. Krishnan in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.65, 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. Krishnan's median patient age at 68, with 51% women.
Dr. Krishnan's Medicare patients by age, 2024
Dr. Krishnan's Medicare patients by sex, 2024
- Women17453%
- Men15547%
Chronic conditions among Dr. Krishnan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Mood disorders51%
- Chronic kidney disease50%
- Diabetes47%
- Heart failure46%
- Depression45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Krishnan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kartik Rama Krishnan wrote 284 Medicare Part D claims in 2024
In 2024, Dr. Krishnan wrote 284 Medicare Part D claims for 105 patients. 88% of them were for generic drugs. CMS names the drug for 83 of them, across 5 drugs with 11 or more claims each, at $1,045 in total drug cost. In 2023, CMS named 66 claims across 5 drugs.
Dr. Krishnan's Part D claims by kind of drug, 2024
- Generic250 claims88%
- Brand-name34 claims12%
Dr. Krishnan'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. Krishnan's Part D claims, 2024
- Opioids4%12 of 284 claims
- Antibiotics19%54 of 284 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: 662024: 8326%
Drugs named by CMS: 5 in 2024, 5 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. Kartik Rama Krishnan scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Krishnan for performance year 2024, reported as part of a group. Dr. Krishnan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Krishnan's MIPS scores, performance year 2024
- 90of 100Final score
- 89.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Kartik Rama Krishnan has 6 publications on record
Dmand AI links 6 papers to Dr. Krishnan, published from 2011 to 2024. Dr. Krishnan's most frequent co-authors are Charles Mitchell Balch, MD, David Lawrence Bartlett, MD and Laurel Katherine Berry, MD.
Dr. Krishnan's papers by year, 2011 to 2024
Dr. Krishnan's most frequent co-authors
- Charles Mitchell Balch, MD1 shared paper
- David Lawrence Bartlett, MD1 shared paper
- Laurel Katherine Berry, MD1 shared paper
Recent publications by Dr. Krishnan
AJNR Am J Neuroradiol
Clin Transplant
See who Dr. Krishnan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Krishnan works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kartik Rama Krishnan received $1,324 in industry payments from 2016 to 2024
CMS Open Payments shows 6 general payments to Dr. Krishnan from 4 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 83% of the total. Genentech, Inc. paid the most, $1,102.
General payments to Dr. Krishnan by program year, 2016 to 2024
General payments to Dr. Krishnan by kind, 2016 to 2024
- Speaker and faculty fees$1,10283%
- Food and beverage$22217%
Companies that paid Dr. Krishnan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kartik Rama Krishnan graduated from Duke University School Of Medicine
Dr. Krishnan graduated from Duke University School Of Medicine in 2009.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Kartik Rama Krishnan accepts plans from 10 insurance carriers
Dr. Krishnan is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- AK State Medicaid
- +2 more carriersWith a free account
Plan types Dr. Krishnan accepts, by number of carriers
- Medicare8
- PPO7
- HMO4
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kartik Rama Krishnan'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Kartik Rama Krishnan
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. Kartik Rama Krishnan's NPI number?
Dr. Kartik Rama Krishnan's NPI number is 1407086853. It was assigned on July 20, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Kartik Rama Krishnan?
Dr. Kartik Rama Krishnan is an internist in Walnut Creek, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kartik Rama Krishnan practice?
Dr. Krishnan practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Krishnan's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Krishnan to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Kartik Rama Krishnan's office phone number?
The practice phone on file for Dr. Krishnan is (925) 939-3000.
What is Dr. Kartik Rama Krishnan's medical license number?
Dr. Krishnan holds California license A130827, one of the licenses on file in 2 states.
Which states has Dr. Kartik Rama Krishnan been licensed in?
Dmand AI has state licenses on file for Dr. Krishnan in California (2014 to 2026) and Washington (2009 to 2015).
Which hospitals is Dr. Kartik Rama Krishnan affiliated with?
Dr. Krishnan practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dr. Krishnan is also affiliated with Concord Medical Center. Dmand AI links Dr. Krishnan to 2 more hospitals.
What medical group is Dr. Kartik Rama Krishnan part of?
Dr. Krishnan is linked to John Muir Health. Dmand AI links Dr. Krishnan to 1 more medical group.
Does Dr. Kartik Rama Krishnan accept Medicare?
Yes. CMS data shows Dr. Krishnan billed Medicare for 888 services in 2024, and Dr. Krishnan accepts Medicare assignment.
What is Dr. Kartik Rama Krishnan's MIPS score?
Dr. Krishnan's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Kartik Rama Krishnan see?
CMS counts 329 Medicare patients who saw Dr. Krishnan in 2024, with an average age of 76.
Is Dr. Kartik Rama Krishnan board certified?
Yes. Dr. Krishnan is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Kartik Rama Krishnan bill to Medicare?
In 2024, Dr. Krishnan's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99223).
Where did Dr. Kartik Rama Krishnan go to medical school?
Dr. Krishnan graduated from Duke University School Of Medicine in 2009.
What drugs does Dr. Kartik Rama Krishnan prescribe most?
In 2024 Medicare Part D data, Dr. Krishnan's most prescribed drugs by claims were Cefpodoxime Proxetil, Clopidogrel and Furosemide.
Has Dr. Kartik Rama Krishnan received payments from drug or device companies?
CMS Open Payments shows $1,324 in general payments to Dr. Krishnan from 4 companies from 2016 to 2024. The largest total came from Genentech, Inc.
How long has Dr. Kartik Rama Krishnan been practicing?
Dr. Krishnan graduated from medical school in 2009, 17 years ago.
Does Dr. Kartik Rama Krishnan do research?
Dmand AI links 6 publications to Dr. Krishnan, published from 2011 to 2024.
Who does Dr. Kartik Rama Krishnan publish with?
Dr. Krishnan's most frequent co-authors are Charles Mitchell Balch, MD (1 shared paper), David Lawrence Bartlett, MD (1 shared paper) and Laurel Katherine Berry, MD (1 shared paper).
What insurance does Dr. Kartik Rama Krishnan accept?
Dr. Krishnan is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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