Dr. Robert Neil Kornfield, MD

  • Sacramento, CA
  • Gastroenterologist
NPI1467404160PAC ID2264507219
Medicare services, 2024
260
Medicare patients, 2024
248
Part D claims, 2024
521
Hospital affiliations
4
Industry payments
$210
Practice address
2825 Capitol Avenue, Sacramento, CA 95816
Practice phone
Call (916) 454-2222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Medical Center, Sacramento

Hospital · Sacramento, California

See all 8 affiliations

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Dr. Robert Neil Kornfield is a gastroenterologist in Sacramento, California

Dr. Kornfield practices at Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health.

Dr. Kornfield's NPI, 1467404160, was assigned on May 17, 2006. Dr. Kornfield holds New York license 114616.

NPI and contact details
Medicare PAC ID
2264507219
NPI enumeration date
May 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(916) 454-2222
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
81
Medical school graduation
1971

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

Dr. Robert Neil Kornfield practices at Sutter Medical Center, Sacramento in Sacramento, California

Dr. Kornfield's primary practice is Sutter Medical Center, Sacramento, at 2825 Capitol Avenue, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 454-2222.

Source: Dmand AI Affiliation Data

Dr. Robert Neil Kornfield is affiliated with 5 sites of care and 3 medical groups

Dr. Kornfield's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dr. Kornfield is also affiliated with Strong Memorial Hospital. The medical group on file is University of Rochester Medical Faculty Group (URMFG). Dmand AI also links Dr. Kornfield to 2 more hospitals, 2 medical groups and 1 physician office, each named with a free account.

See all 8 affiliations for Dr. Kornfield

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

Dmand AI tracks the EHR system at Dr. Robert Neil Kornfield's practice

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

EHR by site
SiteEHR vendor and product
Sutter Medical Center, SacramentoAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Robert Neil Kornfield is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Kornfield's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Kornfield's licenses on file in 2 states: New York and South Carolina.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 114616 · taxonomy 207RG0100X
  • South Carolina licenseLicense 85846

Gastroenterologists near Dr. Kornfield

Counts of gastroenterologists 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. Robert Neil Kornfield billed Medicare for 260 services in 2024

CMS data shows 260 Medicare services from Dr. Kornfield across 3 procedure codes in 2024, all of them office visits, for 248 Medicare patients. Medicare paid $19,651 for them.

Medicare services, 2024260
Medicare patients248
Paid by Medicare$19,651
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 3542024: 26027%

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

  • In an office16865%
  • In a facility9235%

Dr. Kornfield compared with the California median for gastroenterologists, 2024

  • Dr. Kornfield
  • California median
Medicare services
260vs 58656% below
Medicare patients
248vs 30218% below
Part D claims
369vs 380Close to median

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Kornfield'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. Kornfield

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

Dr. Robert Neil Kornfield treated 248 Medicare patients in 2024, average age 72

CMS counts 248 Medicare patients who saw Dr. Kornfield in 2024. The largest group is 65 to 74, with 102 patients. 72% of them have high blood pressure, and 69% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kornfield's median patient age at 60, with 60% women.

Medicare patients, 2024248
Average age72
Average risk score1.45
Also on Medicaid24%

Dr. Kornfield's Medicare patients by age, 2024

Dr. Kornfield's Medicare patients by sex, 2024

  • Women14759%
  • Men10141%

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

  1. High blood pressure72%
  2. High cholesterol69%
  3. Arthritis40%
  4. Anxiety35%
  5. Ischemic heart disease29%
  6. Mood disorders29%
  7. Chronic kidney disease25%
  8. Depression25%

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

Dr. Kornfield's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. Robert Neil Kornfield wrote 521 Medicare Part D claims in 2024

In 2024, Dr. Kornfield wrote 521 Medicare Part D claims for 193 patients. 87% of them were for generic drugs. CMS names the drug for 369 of them, across 11 drugs with 11 or more claims each, at $56,228 in total drug cost. In 2023, CMS named 347 claims across 13 drugs.

Part D claims, 2024521
Drugs named by CMS11
Total drug cost$56,228
Part D patients193

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

  • Generic451 claims87%
  • Brand-name70 claims13%

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

  • Antibiotics4%21 of 521 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: 3472024: 3696%

Drugs named by CMS: 11 in 2024, 13 in 2023.

See all prescribing by Dr. Kornfield

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

How Dr. Robert Neil Kornfield takes part in Medicare

Dr. Kornfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 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); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Robert Neil Kornfield received $210 in industry payments from 2018 to 2023

CMS Open Payments shows 5 general payments to Dr. Kornfield from 4 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $126.

General payments to Dr. Kornfield by program year, 2018 to 2023

Companies that paid Dr. Kornfield the most, 2018 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Kornfield

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

Sources for Dr. Robert Neil Kornfield'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Robert Neil Kornfield

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. Robert Neil Kornfield's NPI number?

Dr. Robert Neil Kornfield's NPI number is 1467404160. It was assigned on May 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Neil Kornfield?

Dr. Robert Neil Kornfield is a gastroenterologist in Sacramento, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Robert Neil Kornfield practice?

Dr. Kornfield practices at 2825 Capitol Avenue, Sacramento, CA 95816. Dr. Kornfield's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dmand AI also links Dr. Kornfield to 2 hospitals, 2 medical groups and 1 physician office.

What is Dr. Robert Neil Kornfield's office phone number?

The practice phone on file for Dr. Kornfield is (916) 454-2222.

What is Dr. Robert Neil Kornfield's medical license number?

Dr. Kornfield holds New York license 114616, one of the licenses on file in 2 states.

Which states has Dr. Robert Neil Kornfield been licensed in?

Dmand AI has state licenses on file for Dr. Kornfield in New York and South Carolina.

Which hospitals is Dr. Robert Neil Kornfield affiliated with?

Dr. Kornfield practices at Sutter Medical Center, Sacramento in Sacramento, California. Dr. Kornfield is also affiliated with Strong Memorial Hospital. Dmand AI links Dr. Kornfield to 2 more hospitals.

What medical group is Dr. Robert Neil Kornfield part of?

Dr. Kornfield is linked to University of Rochester Medical Faculty Group (URMFG). Dmand AI links Dr. Kornfield to 2 more medical groups.

Does Dr. Robert Neil Kornfield accept Medicare?

Yes. CMS data shows Dr. Kornfield billed Medicare for 260 services in 2024, and Dr. Kornfield accepts Medicare assignment.

How many Medicare patients does Dr. Robert Neil Kornfield see?

CMS counts 248 Medicare patients who saw Dr. Kornfield in 2024, with an average age of 72.

Show 4 more questionsShow fewer questions

What services does Dr. Robert Neil Kornfield bill to Medicare?

In 2024, Dr. Kornfield's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).

What drugs does Dr. Robert Neil Kornfield prescribe most?

In 2024 Medicare Part D data, Dr. Kornfield's most prescribed drugs by claims were Famotidine, Omeprazole and Pantoprazole Sodium.

Has Dr. Robert Neil Kornfield received payments from drug or device companies?

CMS Open Payments shows $210 in general payments to Dr. Kornfield from 4 companies from 2018 to 2023. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. Robert Neil Kornfield been practicing?

Dr. Kornfield graduated from medical school in 1971, 55 years ago.

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