Dr. Mardi R. Karin, MD

  • Stanford, CA
  • General surgeon
NPI1275568388PAC ID3971545666
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
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 7 affiliations

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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 and contact details
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.

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.

See all 7 affiliations for Dr. Karin

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.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+4 more sites and 1 medical groupAvailable 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, CaliforniaPrimaryLicense G68578 · 1990 to 2025 · taxonomy 208600000X
  • Illinois license1987 to 1990

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.

Medicare services, 2024298
Medicare patients118
Paid by Medicare$55,801
Procedure codes7

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.

See all procedures by Dr. Karin

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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.

Medicare patients, 2024118
Average age75
Average risk score0.90
Also on Medicaid11%

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

  1. Cancer75%
  2. High cholesterol73%
  3. High blood pressure62%
  4. Arthritis34%
  5. Osteoporosis31%
  6. Anxiety23%
  7. Diabetes22%
  8. 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.

Part D claims, 202423
Drugs named by CMS1
Total drug cost$21
Part D patients20

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.

See all prescribing by Dr. Karin

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.

Papers5
Years published2019 to 2023

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

Recent publications by Dr. Karin

See all 5 publications and co-authors

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.

How network discovery works

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

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.

See all payments to Dr. Karin

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.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in surgeryAmerican Board of 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

  1. Medicare4
  2. PPO3
  3. EPO2
  4. HMO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Mardi R. Karin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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