Dr. Ariel Whitney Knight, MD

  • Stanford, CA
  • General surgeon
NPI1841679008PAC ID2264744424
Medicare services, 2024
472
Medicare patients, 2024
302
Part D claims, 2019
13
Publications
16
MIPS score, 2024
89
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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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 14 affiliations

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Dr. Ariel Whitney Knight is a general surgeon in Stanford, California

Dr. Knight practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Knight's NPI, 1841679008, was assigned on May 21, 2015. Dr. Knight graduated from University of Washington School of Medicine in 2015. Dr. Knight holds California license 169411.

NPI and contact details
Medicare PAC ID
2264744424
NPI enumeration date
May 21, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
37
Medical school graduation
2015

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

Dr. Ariel Whitney Knight practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Knight'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. Ariel Whitney Knight is affiliated with 8 sites of care and 6 medical groups

Dr. Knight's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Knight is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Knight to 2 more hospitals, 5 medical groups and 4 group practices and clinics, each named with a free account. Dr. Knight's employer is on file too: a hospital.

See all 14 affiliations for Dr. Knight

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ariel Whitney Knight's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knight practices, 8 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
+7 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ariel Whitney Knight is one of 2,926 general surgeons in California

Surgery is Dr. Knight's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Knight's licenses on file in 2 states: California and Minnesota.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense 169411 · taxonomy 208600000X
  • Minnesota licenseLicense 61549

General surgeons near Dr. Knight

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. Ariel Whitney Knight billed Medicare for 472 services in 2024

CMS data shows 472 Medicare services from Dr. Knight across 9 procedure codes in 2024, for 302 Medicare patients. Medicare paid $51,290 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024472
Medicare patients302
Paid by Medicare$51,290
Procedure codes9

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

  • 2023
  • 2024
Office and hospital visits
2023: 3832024: 47223%

Dr. Knight compared with the California median for general surgeons, 2024

  • Dr. Knight
  • California median
Medicare services
472vs 1662.8 times
Medicare patients
302vs 1212.5 times
Part D claims
13vs 3462% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Knight'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. Knight

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

Dr. Ariel Whitney Knight treated 302 Medicare patients in 2024, average age 76

CMS counts 302 Medicare patients who saw Dr. Knight in 2024. The largest group is 65 to 74, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.52, 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. Knight's median patient age at 56, with 41% women.

Medicare patients, 2024302
Average age76
Average risk score2.52
Also on Medicaid33%

Dr. Knight's Medicare patients by age, 2024

Dr. Knight's Medicare patients by sex, 2024

  • Women15150%
  • Men15150%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease45%
  4. Ischemic heart disease42%
  5. Diabetes41%
  6. Arthritis39%
  7. Atrial fibrillation39%
  8. Mood disorders35%

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

Dr. Knight's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women41%
  • Men57%

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

Dr. Ariel Whitney Knight wrote 13 Medicare Part D claims in 2019

In 2019, Dr. Knight wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $43 in total drug cost. In 2016, CMS named 22 claims across 2 drugs.

Part D claims, 201913
Drugs named by CMS1
Total drug cost$43

Dr. Knight's most prescribed drugs by claims, 2019

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 2019

  • 2016
  • 2019
Claims for drugs CMS names
2016: 222019: 1341%

Drugs named by CMS: 1 in 2019, 2 in 2016.

See all prescribing by Dr. Knight

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Ariel Whitney Knight 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. Knight for performance year 2024, reported as part of a group. Dr. Knight accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Knight'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.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Ariel Whitney Knight has 16 publications on record

Dmand AI links 16 papers to Dr. Knight, published from 2012 to 2025. 2025 was the busiest year, with 3. The most frequent topics are Length of Stay, Rib Fractures and Pain Measurement. Dr. Knight has published most often in J Trauma Acute Care Surg. Dr. Knight's most frequent co-authors are Joseph Derek Forrester, MD, Brian E. Louie, MD and Alexander Soheil Farivar, MD.

Papers16
Years published2012 to 2025

Dr. Knight's papers by year, 2012 to 2025

Topics Dr. Knight writes about most

  • Length of Stay
  • Rib Fractures
  • Pain Measurement
  • Postoperative Complications

Dr. Knight's most frequent co-authors

Recent publications by Dr. Knight

See all 16 publications and co-authors

See who Dr. Knight researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Knight 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. Ariel Whitney Knight received $194 in industry payments from 2023 to 2024

CMS Open Payments shows 4 general payments to Dr. Knight from 4 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 96% of the total. Teleflex LLC paid the most, $89.

General payments to Dr. Knight by program year, 2023 to 2024

General payments to Dr. Knight by kind, 2023 to 2024

$194in total
  • Food and beverage$18796%
  • Education$74%

Companies that paid Dr. Knight the most, 2023 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Knight

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

Dr. Ariel Whitney Knight graduated from University of Washington School of Medicine

Dr. Knight graduated from University of Washington School of Medicine in 2015.

  1. Medical schoolUniversity of Washington School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ariel Whitney Knight'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)
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
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Ariel Whitney Knight

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. Ariel Whitney Knight's NPI number?

Dr. Ariel Whitney Knight's NPI number is 1841679008. It was assigned on May 21, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Ariel Whitney Knight?

Dr. Ariel Whitney Knight is a general surgeon in Stanford, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Ariel Whitney Knight practice?

Dr. Knight practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Knight's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Knight to 2 hospitals, 5 medical groups and 4 group practices and clinics.

What is Dr. Ariel Whitney Knight's office phone number?

The practice phone on file for Dr. Knight is (650) 723-4000.

What is Dr. Ariel Whitney Knight's medical license number?

Dr. Knight holds California license 169411, one of the licenses on file in 2 states.

Which states has Dr. Ariel Whitney Knight been licensed in?

Dmand AI has state licenses on file for Dr. Knight in California and Minnesota.

Which hospitals is Dr. Ariel Whitney Knight affiliated with?

Dr. Knight practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Knight is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Dr. Knight to 2 more hospitals.

What medical group is Dr. Ariel Whitney Knight part of?

Dr. Knight is linked to UCSF Medical Group. Dmand AI links Dr. Knight to 5 more medical groups.

Does Dr. Ariel Whitney Knight accept Medicare?

Yes. CMS data shows Dr. Knight billed Medicare for 472 services in 2024, and Dr. Knight accepts Medicare assignment.

What is Dr. Ariel Whitney Knight's MIPS score?

Dr. Knight's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Ariel Whitney Knight see?

CMS counts 302 Medicare patients who saw Dr. Knight in 2024, with an average age of 76.

What services does Dr. Ariel Whitney Knight bill to Medicare?

In 2024, Dr. Knight's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99222).

Where did Dr. Ariel Whitney Knight go to medical school?

Dr. Knight graduated from University of Washington School of Medicine in 2015.

What drugs does Dr. Ariel Whitney Knight prescribe most?

In 2019 Medicare Part D data, Dr. Knight's most prescribed drugs by claims were Oxycodone HCl.

Has Dr. Ariel Whitney Knight received payments from drug or device companies?

CMS Open Payments shows $194 in general payments to Dr. Knight from 4 companies from 2023 to 2024. The largest total came from Teleflex LLC.

How long has Dr. Ariel Whitney Knight been practicing?

Dr. Knight graduated from medical school in 2015, 11 years ago.

Does Dr. Ariel Whitney Knight do research?

Dmand AI links 16 publications to Dr. Knight, published from 2012 to 2025.

Who does Dr. Ariel Whitney Knight publish with?

Dr. Knight's most frequent co-authors are Joseph Derek Forrester, MD (3 shared papers), Brian E. Louie, MD (3 shared papers) and Alexander Soheil Farivar, MD (2 shared papers).

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