Dr. Eric Marshall Knoche, MD

  • Saint Louis, MO
  • Medical oncologist
NPI1184834624PAC ID4183761992
Medicare services, 2024
8,830
Medicare patients, 2024
165
Part D claims, 2024
765
Publications
13
Clinical trials
10
Practice address
One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
Practice phone
Call (314) 747-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Barnes-Jewish Hospital

Hospital · Saint Louis, Missouri

See all 6 affiliations

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Dr. Eric Marshall Knoche is a medical oncologist in Saint Louis, Missouri

Dr. Knoche practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Dr. Knoche's NPI, 1184834624, was assigned on May 23, 2007. Dr. Knoche graduated from Washington University School of Medicine in 2006. Dr. Knoche holds Missouri license 2009012797.

NPI and contact details
Medicare PAC ID
4183761992
NPI enumeration date
May 23, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 747-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
2006

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

Dr. Eric Marshall Knoche practices at 2 locations in Saint Louis, Missouri

Dr. Knoche's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Knoche also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

  • Barnes-Jewish HospitalPrimary
    One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
  • Barnes-Jewish Hospital
    1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000

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

Dr. Eric Marshall Knoche is affiliated with 5 sites of care and 1 medical group

Dr. Knoche's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Knoche is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Knoche to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Knoche

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

Dmand AI tracks the EHR system at Dr. Eric Marshall Knoche's practice

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

EHR by site
SiteEHR vendor and product
Barnes-Jewish HospitalAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Eric Marshall Knoche is one of 120 medical oncologists in Missouri

Medical oncology is Dr. Knoche's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Knoche is licensed in Missouri.

Specialties and state licenses

  • Medical oncology, MissouriPrimaryLicense 2009012797 · taxonomy 207RX0202X

Medical oncologists near Dr. Knoche

Counts of medical 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. Eric Marshall Knoche billed Medicare for 8,830 services in 2024

CMS data shows 8,830 Medicare services from Dr. Knoche across 21 procedure codes in 2024, for 165 Medicare patients. Medicare paid $40,565 for them. Every service was in an office.

Medicare services, 20248,830
Medicare patients165
Paid by Medicare$40,565
Procedure codes21

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

  • 2023
  • 2024
Drugs given in the office
2023: 45,2202024: 8,15582%
Tests and treatments
2023: 8542024: 50241%
Office and hospital visits
2023: 1202024: 14924%
Other services
2023: 572024: 2458%

Dr. Knoche compared with the Missouri median for medical oncologists, 2024

  • Dr. Knoche
  • Missouri median
Medicare services
8,830vs 1,2467.1 times
Medicare patients
165vs 22426% below
Part D claims
548vs 560Close to median

Medians across 125 medical oncologists in Missouri with Dmand AI profiles that report each measure.

Dr. Knoche'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. Knoche

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

Dr. Eric Marshall Knoche treated 165 Medicare patients in 2024, average age 73

CMS counts 165 Medicare patients who saw Dr. Knoche in 2024. The largest group is 65 to 74, with 83 patients. 72% of them have cancer, and 65% have high cholesterol. Their average risk score is 2.70, 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. Knoche's median patient age at 73, with 17% women.

Medicare patients, 2024165
Average age73
Average risk score2.70

Dr. Knoche's Medicare patients by age, 2024

Dr. Knoche's Medicare patients by sex, 2024

  • Women5131%
  • Men11469%

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

  1. Cancer72%
  2. High cholesterol65%
  3. High blood pressure64%
  4. Arthritis39%
  5. Diabetes32%
  6. Chronic kidney disease31%
  7. Ischemic heart disease29%
  8. Atrial fibrillation25%

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

Dr. Knoche's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women17%
  • Men83%

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

Dr. Eric Marshall Knoche wrote 765 Medicare Part D claims in 2024

In 2024, Dr. Knoche wrote 765 Medicare Part D claims for 91 patients. 78% of them were for generic drugs. CMS names the drug for 548 of them, across 20 drugs with 11 or more claims each, at $2,471,100 in total drug cost. In 2023, CMS named 425 claims across 16 drugs.

Part D claims, 2024765
Drugs named by CMS20
Total drug cost$2.5M
Part D patients91

Dr. Knoche's Part D claims by kind of drug, 2024

  • Generic596 claims78%
  • Brand-name169 claims22%

Dr. Knoche'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. Knoche's Part D claims, 2024

  • Opioids9%69 of 765 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: 4252024: 54829%

Drugs named by CMS: 20 in 2024, 16 in 2023.

See all prescribing by Dr. Knoche

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. Eric Marshall Knoche scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Knoche for performance year 2024, reported as part of a group. Dr. Knoche accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Knoche's MIPS scores, performance year 2024

  • 84of 100Final score
  • 71.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 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. Eric Marshall Knoche has 13 publications on record

Dmand AI links 13 papers to Dr. Knoche, published from 2015 to 2025. 2022 was the busiest year, with 3. The most frequent topics are Nitriles, Androgen Antagonists and Antineoplastic Combined Chemotherapy Protocols. Dr. Knoche has published most often in Prostate Cancer Prostatic Dis. Dr. Knoche's most frequent co-authors are Melissa Andrea Reimers, MD, John Paul Christodouleas, MD and Benjamin Walker Fischer-Valuck, MD.

Papers13
Years published2015 to 2025

Dr. Knoche's papers by year, 2015 to 2025

Topics Dr. Knoche writes about most

  • Nitriles
  • Androgen Antagonists
  • Antineoplastic Combined Chemotherapy Protocols
  • Cystectomy
  • Janus Kinase 2
  • Prostatic Neoplasms
  • Pyrazoles
  • Pyrimidines

Dr. Knoche's most frequent co-authors

Recent publications by Dr. Knoche

See all 13 publications and co-authors

See who Dr. Knoche researches with

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

How network discovery works

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

Dr. Eric Marshall Knoche has worked on 10 clinical trials

Dmand AI links Dr. Knoche to 10 clinical trials, 4 of them phase 3 studies. 8 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Rectal Diseases. Washington University School of Medicine sponsors the most, 4.

Clinical trials with Dr. Knoche by phase

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

Conditions in Dr. Knoche's trials

  • Carcinoma, Non-Small-Cell Lung
  • Carcinoma, Bronchogenic
  • Rectal Diseases
  • Carcinoma
  • Carcinoma, Renal Cell

Investigators on the most trials with Dr. Knoche

Recent clinical trials with Dr. Knoche

See all 10 clinical trials and co-investigators

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

Dr. Eric Marshall Knoche received $844 in industry payments from 2016 to 2024

CMS Open Payments shows 30 general payments to Dr. Knoche from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 85% of the total. Abbvie Inc. paid the most, $237.

General payments to Dr. Knoche by program year, 2016 to 2024

General payments to Dr. Knoche by kind, 2016 to 2024

$844in total
  • Food and beverage$71785%
  • Education$12715%

Companies that paid Dr. Knoche the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Knoche

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

Dr. Eric Marshall Knoche graduated from Washington University School of Medicine

Dr. Knoche graduated from Washington University School of Medicine in 2006.

  1. Medical schoolWashington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Eric Marshall Knoche'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 Affiliation DataDmand AI Practice 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)
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
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. Eric Marshall Knoche

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. Eric Marshall Knoche's NPI number?

Dr. Eric Marshall Knoche's NPI number is 1184834624. It was assigned on May 23, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric Marshall Knoche?

Dr. Eric Marshall Knoche is a medical oncologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Eric Marshall Knoche practice?

Dr. Knoche practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Knoche also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Knoche's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Knoche to 2 hospitals and 1 group practice or clinic.

What is Dr. Eric Marshall Knoche's office phone number?

The practice phone on file for Dr. Knoche is (314) 747-3000.

What is Dr. Eric Marshall Knoche's medical license number?

Dr. Knoche holds Missouri license 2009012797.

Which hospitals is Dr. Eric Marshall Knoche affiliated with?

Dr. Knoche practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Knoche is also affiliated with Missouri Baptist Medical Center. Dmand AI links Dr. Knoche to 2 more hospitals.

What medical group is Dr. Eric Marshall Knoche part of?

Dr. Knoche is linked to WashU Medicine Psychiatry.

Does Dr. Eric Marshall Knoche accept Medicare?

Yes. CMS data shows Dr. Knoche billed Medicare for 8,830 services in 2024, and Dr. Knoche accepts Medicare assignment.

What is Dr. Eric Marshall Knoche's MIPS score?

Dr. Knoche's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. Eric Marshall Knoche see?

CMS counts 165 Medicare patients who saw Dr. Knoche in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Dr. Eric Marshall Knoche bill to Medicare?

In 2024, Dr. Knoche's most billed Medicare services were injected or infused drug (J1453), injected or infused drug (J0461) and injected or infused drug (J1100).

Where did Dr. Eric Marshall Knoche go to medical school?

Dr. Knoche graduated from Washington University School of Medicine in 2006.

What drugs does Dr. Eric Marshall Knoche prescribe most?

In 2024 Medicare Part D data, Dr. Knoche's most prescribed drugs by claims were Prednisone, Levothyroxine Sodium and Cabometyx.

Has Dr. Eric Marshall Knoche received payments from drug or device companies?

CMS Open Payments shows $844 in general payments to Dr. Knoche from 12 companies from 2016 to 2024. The largest total came from Abbvie Inc.

How long has Dr. Eric Marshall Knoche been practicing?

Dr. Knoche graduated from medical school in 2006, 20 years ago.

Does Dr. Eric Marshall Knoche do research?

Dmand AI links 13 publications to Dr. Knoche, published from 2015 to 2025. Dr. Knoche has worked on 10 clinical trials.

Who does Dr. Eric Marshall Knoche publish with?

Dr. Knoche's most frequent co-authors are Melissa Andrea Reimers, MD (4 shared papers), John Paul Christodouleas, MD (3 shared papers) and Benjamin Walker Fischer-Valuck, MD (3 shared papers).

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