Microsurgery
Dr. Mardi R. Karin, MD
- Medicare services, 2024
- 298
- Medicare patients, 2024
- 118
- Part D claims, 2024
- 23
- Publications
- 5
- Clinical trials
- 1
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Karin'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. Mardi R. Karin is a general surgeon in Stanford, California
Dr. Karin practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Karin's NPI, 1275568388, was assigned on July 11, 2006. Dr. Karin graduated from David Geffen School of Medicine at UCLA in 1985. Dr. Karin's California license number on file is G68578.
- NPI
- 1275568388NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971545666
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mardi R. Karin practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Karin's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Mardi R. Karin is affiliated with 5 sites of care and 2 medical groups
Dr. Karin's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Karin is also affiliated with Good Samaritan Hospital. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Karin to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Karin's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mardi R. Karin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karin practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mardi R. Karin is one of 2,926 general surgeons in California
Surgery is Dr. Karin's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Karin is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Karin's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists mastectomy among the conditions Dr. Karin treats.
General surgeons near Dr. Karin
Counts of general surgeons 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. Mardi R. Karin billed Medicare for 298 services in 2024
CMS data shows 298 Medicare services from Dr. Karin across 7 procedure codes in 2024, for 118 Medicare patients. Medicare paid $55,801 for them. Every service was in an office.
Dr. Karin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2812024: 20726%
- Surgery
- 2023: 1342024: 9132%
Dr. Karin compared with the California median for general surgeons, 2024
- Dr. Karin
- California median
- Medicare services
- 298vs 16680% above
- Medicare patients
- 118vs 121Close to median
- Part D claims
- 19vs 3444% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Karin'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. Karin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karin and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mardi R. Karin treated 118 Medicare patients in 2024, average age 75
CMS counts 118 Medicare patients who saw Dr. Karin in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have cancer, and 73% have high cholesterol. 11% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Karin's median patient age at 57, with 97% women.
Dr. Karin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Karin's Medicare patients, 2024
- Cancer75%
- High cholesterol73%
- High blood pressure62%
- Arthritis34%
- Osteoporosis31%
- Anxiety23%
- Diabetes22%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women97%
- Men2%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mardi R. Karin wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Karin wrote 23 Medicare Part D claims for 20 patients. 100% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $21 in total drug cost. In 2023, CMS named 32 claims across 1 drug.
Dr. Karin'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. Karin's Part D claims, 2024
- Opioids91%21 of 23 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: 322024: 1941%
Drugs named by CMS: 1 in 2024, 1 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. Mardi R. Karin scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Karin for performance year 2024, reported as part of a group. Dr. Karin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Karin as offering telehealth. CMS counts 64 procedures of mastectomy by Dr. Karin, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Karin's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Karin ranks in Medicare procedure volume
- Mastectomy
- 97th percentile64 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mardi R. Karin has 5 publications on record
Dmand AI links 5 papers to Dr. Karin, published from 2019 to 2023. 2022 was the busiest year, with 2. The most frequent topics are Breast Neoplasms, Mastectomy and Necrosis. Dr. Karin's most frequent co-authors are Irene Leonor Wapnir, MD, Arash Momeni, MD and Arash Keshmiri Momeni, MD.
Dr. Karin's papers by year, 2019 to 2023
Topics Dr. Karin writes about most
- Breast Neoplasms
- Mastectomy
- Necrosis
Dr. Karin's most frequent co-authors
- Irene Leonor Wapnir, MD4 shared papers
- Arash Momeni, MD3 shared papers
- Arash Keshmiri Momeni, MD3 shared papers
Recent publications by Dr. Karin
Breast Cancer Res Treat
Plast Reconstr Surg Glob Open
See who Dr. Karin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Karin works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mardi R. Karin has worked on 1 clinical trial
Dmand AI links Dr. Karin to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Breast Cancer Lymphedema and Lymphedema.
Conditions in Dr. Karin's trials
- Breast Cancer Lymphedema
- Lymphedema
Investigators on the most trials with Dr. Karin
- Dung Hoang Nguyen1 shared trial
- David Perrault, MD1 shared trial
- Kimberly Pothier Stone, MD1 shared trial
Recent clinical trials with Dr. Karin
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mardi R. Karin received $2,114 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Karin from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Cianna Medical Inc paid the most, $401.
General payments to Dr. Karin by program year, 2016 to 2025
Companies that paid Dr. Karin 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. Mardi R. Karin graduated from David Geffen School of Medicine at UCLA
Dr. Karin graduated from David Geffen School of Medicine at UCLA in 1985.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Mardi R. Karin accepts plans from 6 insurance carriers
Dr. Karin is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Karin accepts, by number of carriers
- Medicare4
- PPO3
- EPO2
- HMO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mardi R. Karin'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)Doctors and Clinicians Utilization Data (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. Mardi R. Karin
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. Mardi R. Karin's NPI number?
Dr. Mardi R. Karin's NPI number is 1275568388. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mardi R. Karin?
Dr. Mardi R. Karin is a general surgeon in Stanford, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mardi R. Karin practice?
Dr. Karin practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Karin's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Karin to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Mardi R. Karin's office phone number?
The practice phone on file for Dr. Karin is (650) 723-4000.
What is Dr. Mardi R. Karin's medical license number?
Dr. Karin's California license number on file is G68578, one of the licenses on file in 2 states.
Which states has Dr. Mardi R. Karin been licensed in?
Dmand AI has state licenses on file for Dr. Karin in California (1990 to 2025) and Illinois (1987 to 1990).
Which hospitals is Dr. Mardi R. Karin affiliated with?
Dr. Karin practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Karin is also affiliated with Good Samaritan Hospital. Dmand AI links Dr. Karin to 1 more hospital.
What medical group is Dr. Mardi R. Karin part of?
Dr. Karin is linked to Stanford Health Care. Dmand AI links Dr. Karin to 1 more medical group.
Does Dr. Mardi R. Karin accept Medicare?
Yes. CMS data shows Dr. Karin billed Medicare for 298 services in 2024, and Dr. Karin accepts Medicare assignment.
Does Dr. Mardi R. Karin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Karin as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Mardi R. Karin's MIPS score?
Dr. Karin's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mardi R. Karin see?
CMS counts 118 Medicare patients who saw Dr. Karin in 2024, with an average age of 75.
Is Dr. Mardi R. Karin board certified?
Yes. Dr. Karin is board certified in surgery by the American Board of Surgery.
What services does Dr. Mardi R. Karin bill to Medicare?
In 2024, Dr. Karin's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).
Where did Dr. Mardi R. Karin go to medical school?
Dr. Karin graduated from David Geffen School of Medicine at UCLA in 1985.
What drugs does Dr. Mardi R. Karin prescribe most?
In 2024 Medicare Part D data, Dr. Karin's most prescribed drugs by claims were Tramadol HCl.
Has Dr. Mardi R. Karin received payments from drug or device companies?
CMS Open Payments shows $2,114 in general payments to Dr. Karin from 18 companies from 2016 to 2025. The largest total came from Cianna Medical Inc.
How long has Dr. Mardi R. Karin been practicing?
Dr. Karin graduated from medical school in 1985, 41 years ago.
Does Dr. Mardi R. Karin do research?
Dmand AI links 5 publications to Dr. Karin, published from 2019 to 2023. Dr. Karin has worked on 1 clinical trial.
Who does Dr. Mardi R. Karin publish with?
Dr. Karin's most frequent co-authors are Irene Leonor Wapnir, MD (4 shared papers), Arash Momeni, MD (3 shared papers) and Arash Keshmiri Momeni, MD (3 shared papers).
What insurance does Dr. Mardi R. Karin accept?
Dr. Karin is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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