Dr. Nimmi Singh Kapoor, MD

  • Santa Monica, CA
  • Surgical oncologist
NPI1437221611PAC ID1951579358
Medicare services, 2024
449
Medicare patients, 2024
194
Part D claims, 2024
12
Publications
16
Clinical trials
3
Practice address
1801 Wilshire Blvd, Santa Monica, CA 90403
Practice phone
Call (310) 391-7281
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Regents of the University of California Los Angeles

Santa Monica, California

See all 7 affiliations

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Dr. Nimmi Singh Kapoor is a surgical oncologist in Santa Monica, California

Dr. Kapoor practices at Regents of the University of California Los Angeles in Santa Monica, California.

Dr. Kapoor's NPI, 1437221611, was assigned on November 14, 2006. Dr. Kapoor graduated from Weill Cornell Medicine in 2004. Dr. Kapoor holds California license A116258.

NPI and contact details
Medicare PAC ID
1951579358
NPI enumeration date
November 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 391-7281
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
48
Medical school graduation
2004

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nimmi Singh Kapoor practices at Regents of the University of California Los Angeles in Santa Monica, California

Dr. Kapoor's primary practice is Regents of the University of California Los Angeles, at 1801 Wilshire Blvd, Santa Monica, CA 90403 in Los Angeles County. The practice phone is (310) 391-7281.

  • Regents of the University of California Los Angeles
    1801 Wilshire Blvd, Santa Monica, CA 90403 · Los Angeles CountyPhone(310) 391-7281

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Nimmi Singh Kapoor is affiliated with 6 sites of care and 1 medical group

Dr. Kapoor's primary practice is Regents of the University of California Los Angeles in Santa Monica, California. Dr. Kapoor is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Kapoor to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Kapoor

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nimmi Singh Kapoor's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kapoor practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Regents of the University of California Los AngelesAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nimmi Singh Kapoor is one of 243 surgical oncologists in California

Surgical oncology is Dr. Kapoor's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Kapoor is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Kapoor's licenses on file in 2 states: California and New York.

Specialties and state licenses

  • Surgical oncology, CaliforniaPrimaryLicense A116258 · 2011 to 2027 · taxonomy 2086X0206X
  • New York license2005 to 2008

Clinical focus

Dmand AI lists mastectomy among the conditions Dr. Kapoor treats.

Surgical oncologists near Dr. Kapoor

Counts of surgical 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. Nimmi Singh Kapoor billed Medicare for 449 services in 2024

CMS data shows 449 Medicare services from Dr. Kapoor across 12 procedure codes in 2024, for 194 Medicare patients. Medicare paid $77,579 for them.

Medicare services, 2024449
Medicare patients194
Paid by Medicare$77,579
Procedure codes12

Dr. Kapoor's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3402024: 24428%
Surgery
2023: 982024: 14649%
Imaging
2023: 522024: 5913%

Where Dr. Kapoor's Medicare services took place, 2024

  • In an office30367%
  • In a facility14633%

Dr. Kapoor compared with the California median for surgical oncologists, 2024

  • Dr. Kapoor
  • California median
Medicare services
449vs 1722.6 times
Medicare patients
194vs 11175% above
Part D claims
13vs 2241% below

Medians across 217 surgical oncologists in California with Dmand AI profiles that report each measure.

Dr. Kapoor'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. Kapoor

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kapoor and other surgical oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nimmi Singh Kapoor treated 194 Medicare patients in 2024, average age 74

CMS counts 194 Medicare patients who saw Dr. Kapoor in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high cholesterol, and 68% have cancer. 20% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kapoor's median patient age at 59, with 97% women.

Medicare patients, 2024194
Average age74
Average risk score1.14
Also on Medicaid20%

Dr. Kapoor's Medicare patients by age, 2024

Chronic conditions among Dr. Kapoor's Medicare patients, 2024

  1. High cholesterol75%
  2. Cancer68%
  3. High blood pressure63%
  4. Arthritis59%
  5. Osteoporosis37%
  6. Anxiety32%
  7. Diabetes30%
  8. Mood disorders29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Kapoor's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women97%
  • Men1%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Nimmi Singh Kapoor wrote 12 Medicare Part D claims in 2024

In 2024, Dr. Kapoor wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $68 in total drug cost. In 2016, CMS named 18 claims across 1 drug.

Part D claims, 202412
Drugs named by CMS1
Total drug cost$68

Dr. Kapoor's most prescribed drugs by claims, 2017

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, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 182017: 1328%

Drugs named by CMS: 1 in 2017, 1 in 2016.

See all prescribing by Dr. Kapoor

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. Nimmi Singh Kapoor scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Kapoor for performance year 2024, reported as part of a group. Dr. Kapoor accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 63 procedures of mastectomy by Dr. Kapoor, more than 96% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Kapoor's MIPS scores, performance year 2024

  • 87of 100Final score
  • 80.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Kapoor ranks in Medicare procedure volume

Mastectomy
96th percentile63 procedures
Melanoma (skin cancer) excision
74th percentile19 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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. Nimmi Singh Kapoor has 16 publications on record

Dmand AI links 16 papers to Dr. Kapoor, published from 2011 to 2024. 2012 was the busiest year, with 4. The most frequent topics are Breast Neoplasms, Carcinoma, Ductal, Breast and Mastectomy, Segmental. Dr. Kapoor has published most often in Ann Surg Oncol. Dr. Kapoor's most frequent co-authors are Armando E. Giuliano, FACS, MD, Sarah L. Blair, MD and Amy Kaldor Bremner, MD.

Papers16
Years published2011 to 2024

Dr. Kapoor's papers by year, 2011 to 2024

Topics Dr. Kapoor writes about most

  • Breast Neoplasms
  • Carcinoma, Ductal, Breast
  • Mastectomy, Segmental
  • Carcinoma, Lobular
  • Disease Management
  • Granulomatous Mastitis
  • Magnetic Resonance Imaging
  • Mastectomy

Dr. Kapoor's most frequent co-authors

Recent publications by Dr. Kapoor

See all 16 publications and co-authors

See who Dr. Kapoor researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kapoor works with, so you can find a warm path to the right surgical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nimmi Singh Kapoor has worked on 3 clinical trials

Dmand AI links Dr. Kapoor to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Pathologic Complete Response, Triple Negative Breast Neoplasms and Breast Neoplasms.

Clinical trials with Dr. Kapoor by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. 1Phase 2: 1 trial
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Kapoor's trials

  • Pathologic Complete Response
  • Triple Negative Breast Neoplasms
  • Breast Neoplasms
  • Disease Progression

Investigators on the most trials with Dr. Kapoor

Recent clinical trials with Dr. Kapoor

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Nimmi Singh Kapoor received $14,366 in industry payments from 2016 to 2025

CMS Open Payments shows 71 general payments to Dr. Kapoor from 25 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 44% of the total. Cardinal Health, Inc. paid the most, $4,900.

General payments to Dr. Kapoor by program year, 2016 to 2025

General payments to Dr. Kapoor by kind, 2016 to 2025

$14.4Kin total
  • Consulting fees$6,37544%
  • Food and beverage$3,91527%
  • Travel and lodging$2,05614%
  • Speaker and faculty fees$1,0507%
  • Other$9497%

Companies that paid Dr. Kapoor the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kapoor

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Nimmi Singh Kapoor has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Kapoor. Dr. Kapoor serves on Annual Scientific Program Committee, ASBS Research Committee and Association of Academic Surgeons.

Awards and honors for Dr. Kapoor

  1. Undated
    • Alpha Omega Alpha
    • summa cum laude

Dr. Kapoor's committees and leadership roles

Annual Scientific Program CommitteeMember
2024 to present

Source: Dmand AI Professional Profile Data

Dr. Nimmi Singh Kapoor graduated from Weill Cornell Medicine

Dr. Kapoor graduated from Weill Cornell Medicine in 2004. Dr. Kapoor is a member of ACS, ASBS and Association of Academic Surgeons.

  1. Medical schoolWeill Cornell Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Nimmi Singh Kapoor accepts plans from 15 insurance carriers

Dr. Kapoor is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Kapoor accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare8
  4. EPO4
  5. POS3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nimmi Singh Kapoor'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
Awards and committee rolesDmand AI Professional Profile Data
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. Nimmi Singh Kapoor

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. Nimmi Singh Kapoor's NPI number?

Dr. Nimmi Singh Kapoor's NPI number is 1437221611. It was assigned on November 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nimmi Singh Kapoor?

Dr. Nimmi Singh Kapoor is a surgical oncologist in Santa Monica, California. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).

Where does Dr. Nimmi Singh Kapoor practice?

Dr. Kapoor practices at 1801 Wilshire Blvd, Santa Monica, CA 90403. Dr. Kapoor's primary practice is Regents of the University of California Los Angeles in Santa Monica, California. Dmand AI also links Dr. Kapoor to 3 hospitals and 1 group practice or clinic.

What is Dr. Nimmi Singh Kapoor's office phone number?

The practice phone on file for Dr. Kapoor is (310) 391-7281.

What is Dr. Nimmi Singh Kapoor's medical license number?

Dr. Kapoor holds California license A116258, one of the licenses on file in 2 states.

Which states has Dr. Nimmi Singh Kapoor been licensed in?

Dmand AI has state licenses on file for Dr. Kapoor in California (2011 to 2027) and New York (2005 to 2008).

Which hospitals is Dr. Nimmi Singh Kapoor affiliated with?

Dr. Kapoor is affiliated with UCLA Santa Monica Medical Center. Dmand AI links Dr. Kapoor to 3 more hospitals.

What medical group is Dr. Nimmi Singh Kapoor part of?

Dr. Kapoor is linked to UCLA Medical Group.

Does Dr. Nimmi Singh Kapoor accept Medicare?

Yes. CMS data shows Dr. Kapoor billed Medicare for 449 services in 2024, and Dr. Kapoor accepts Medicare assignment.

What is Dr. Nimmi Singh Kapoor's MIPS score?

Dr. Kapoor's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Nimmi Singh Kapoor see?

CMS counts 194 Medicare patients who saw Dr. Kapoor in 2024, with an average age of 74.

Is Dr. Nimmi Singh Kapoor board certified?

Yes. Dr. Kapoor is board certified in surgery by the American Board of Surgery.

What services does Dr. Nimmi Singh Kapoor bill to Medicare?

In 2024, Dr. Kapoor's most billed Medicare services were ultrasound (76642), office visit, established patient (99215) and office visit, new patient (99205).

Where did Dr. Nimmi Singh Kapoor go to medical school?

Dr. Kapoor graduated from Weill Cornell Medicine in 2004.

What drugs does Dr. Nimmi Singh Kapoor prescribe most?

In 2017 Medicare Part D data, Dr. Kapoor's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Dr. Nimmi Singh Kapoor received payments from drug or device companies?

CMS Open Payments shows $14,366 in general payments to Dr. Kapoor from 25 companies from 2016 to 2025. The largest total came from Cardinal Health, Inc.

How long has Dr. Nimmi Singh Kapoor been practicing?

Dr. Kapoor graduated from medical school in 2004, 22 years ago.

Does Dr. Nimmi Singh Kapoor do research?

Dmand AI links 16 publications to Dr. Kapoor, published from 2011 to 2024. Dr. Kapoor has worked on 3 clinical trials.

Who does Dr. Nimmi Singh Kapoor publish with?

Dr. Kapoor's most frequent co-authors are Armando E. Giuliano, FACS, MD (5 shared papers), Sarah L. Blair, MD (3 shared papers) and Amy Kaldor Bremner, MD (2 shared papers).

What insurance does Dr. Nimmi Singh Kapoor accept?

Dr. Kapoor is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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