Dr. Erik J. Simchuk, MD

  • Chico, CA
  • General surgeon
NPI1831158799PAC ID6800976424
Medicare services, 2024
335
Medicare patients, 2024
187
Part D claims, 2024
199
Publications
2
MIPS score, 2024
81
Practice address
1531 Esplanade, Chico, CA 95926
Practice phone
Call (530) 332-7300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Enloe Health

Hospital · Chico, California

See all 5 affiliations

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Dr. Erik J. Simchuk is a general surgeon in Chico, California

Dr. Simchuk practices at Enloe Health in Chico, California, part of Enloe Health.

Dr. Simchuk's NPI, 1831158799, was assigned on March 20, 2006. Dr. Simchuk graduated from Geisel School Of Medicine At Dartmouth in 1995. Dr. Simchuk holds California license A100912.

NPI and contact details
Medicare PAC ID
6800976424
NPI enumeration date
March 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(530) 332-7300
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. Erik J. Simchuk practices at Enloe Health in Chico, California

Dr. Simchuk's primary practice is Enloe Health, at 1531 Esplanade, Chico, CA 95926 in Butte County. The practice phone is (530) 332-7300.

  • Enloe Health
    1531 Esplanade, Chico, CA 95926 · Butte CountyPhone(530) 332-7300

Source: Dmand AI Affiliation Data

Dr. Erik J. Simchuk is affiliated with 4 sites of care and 1 medical group

Dr. Simchuk's primary practice is Enloe Health in Chico, California, part of Enloe Health. Dr. Simchuk is also affiliated with Oroville Hospital. The medical group on file is Chico Hospitalist Group. Dmand AI also links Dr. Simchuk to 1 more physician office and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Simchuk

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

Dmand AI tracks the EHR system at Dr. Erik J. Simchuk's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simchuk practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Enloe HealthAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Erik J. Simchuk is one of 2,926 general surgeons in California

Surgery is Dr. Simchuk's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Simchuk is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Simchuk's licenses on file in 2 states: California and Colorado.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A100912 · 2007 to 2026 · taxonomy 208600000X
  • Colorado license2001 to 2009

Clinical focus

Dmand AI lists abdominal adhesion surgery, bariatric surgery, esophagus, stomach, or upper small intestine surgery, groin hernia surgery and upper GI endoscopy among the conditions Dr. Simchuk treats.

General surgeons near Dr. Simchuk

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. Erik J. Simchuk billed Medicare for 335 services in 2024

CMS data shows 335 Medicare services from Dr. Simchuk across 10 procedure codes in 2024, for 187 Medicare patients. Medicare paid $67,001 for them.

Medicare services, 2024335
Medicare patients187
Paid by Medicare$67,001
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 2582024: 22413%
Surgery
2023: 1252024: 11111%

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

  • In an office22467%
  • In a facility11133%

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

  • Dr. Simchuk
  • California median
Medicare services
335vs 1662.0 times
Medicare patients
187vs 12155% above
Part D claims
154vs 344.5 times

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

Dr. Simchuk'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. Simchuk

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simchuk and other general surgeons in California.

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

Dr. Erik J. Simchuk treated 187 Medicare patients in 2024, average age 67

CMS counts 187 Medicare patients who saw Dr. Simchuk in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Simchuk's median patient age at 57, with 81% women.

Medicare patients, 2024187
Average age67
Average risk score1.24
Also on Medicaid37%

Dr. Simchuk's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Simchuk's Medicare patients by sex, 2024

  • Women14980%
  • Men3820%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Anxiety42%
  5. Mood disorders42%
  6. Diabetes39%
  7. Depression36%
  8. Asthma24%

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

Dr. Simchuk'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

  • Women81%
  • Men19%

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

Dr. Erik J. Simchuk wrote 199 Medicare Part D claims in 2024

In 2024, Dr. Simchuk wrote 199 Medicare Part D claims for 61 patients. 92% of them were for generic drugs. CMS names the drug for 154 of them, across 4 drugs with 11 or more claims each, at $16,225 in total drug cost. In 2023, CMS named 136 claims across 5 drugs.

Part D claims, 2024199
Drugs named by CMS4
Total drug cost$16,225
Part D patients61

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

  • Generic184 claims92%
  • Brand-name15 claims8%

Dr. Simchuk'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1362024: 15413%

Drugs named by CMS: 4 in 2024, 5 in 2023.

See all prescribing by Dr. Simchuk

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. Erik J. Simchuk scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Simchuk for performance year 2024, reported as part of a group. Dr. Simchuk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 89 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Simchuk, more than 74% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Simchuk's MIPS scores, performance year 2024

  • 81of 100Final score
  • 60.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 100Cost

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

Where Dr. Simchuk ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
74th percentile89 procedures

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

Hernia repair (minimally invasive): 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. Erik J. Simchuk has 2 publications on record

Dmand AI links 2 papers to Dr. Simchuk.

Papers2

Recent publications by Dr. Simchuk

See all 2 publications and co-authors

See who Dr. Simchuk researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Simchuk 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. Erik J. Simchuk received $10,607 in industry payments from 2016 to 2025

CMS Open Payments shows 38 general payments to Dr. Simchuk from 9 drug and device companies from 2016 to 2025. Education make up the largest share, 75% of the total. Intuitive Surgical, Inc. paid the most, $9,844.

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

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

$10.6Kin total
  • Education$8,00075%
  • Food and beverage$1,58615%
  • Travel and lodging$1,01210%
  • Gifts$90%

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

Share is of all general payments to this clinician.

See all payments to Dr. Simchuk

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

Dr. Erik J. Simchuk graduated from Geisel School Of Medicine At Dartmouth

Dr. Simchuk graduated from Geisel School Of Medicine At Dartmouth in 1995.

  1. Medical schoolGeisel School Of Medicine At Dartmouth
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Erik J. Simchuk accepts plans from 8 insurance carriers

Dr. Simchuk is in network with 8 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Simchuk accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. POS3
  4. EPO2
  5. HMO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Erik J. Simchuk'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
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. Erik J. Simchuk

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. Erik J. Simchuk's NPI number?

Dr. Erik J. Simchuk's NPI number is 1831158799. It was assigned on March 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Erik J. Simchuk?

Dr. Erik J. Simchuk is a general surgeon in Chico, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Erik J. Simchuk practice?

Dr. Simchuk practices at 1531 Esplanade, Chico, CA 95926. Dr. Simchuk's primary practice is Enloe Health in Chico, California, part of Enloe Health. Dmand AI also links Dr. Simchuk to 1 physician office and 1 group practice or clinic.

What is Dr. Erik J. Simchuk's office phone number?

The practice phone on file for Dr. Simchuk is (530) 332-7300.

What is Dr. Erik J. Simchuk's medical license number?

Dr. Simchuk holds California license A100912, one of the licenses on file in 2 states.

Which states has Dr. Erik J. Simchuk been licensed in?

Dmand AI has state licenses on file for Dr. Simchuk in California (2007 to 2026) and Colorado (2001 to 2009).

Which hospitals is Dr. Erik J. Simchuk affiliated with?

Dr. Simchuk practices at Enloe Health in Chico, California. Dr. Simchuk is also affiliated with Oroville Hospital.

What medical group is Dr. Erik J. Simchuk part of?

Dr. Simchuk is linked to Chico Hospitalist Group.

Does Dr. Erik J. Simchuk accept Medicare?

Yes. CMS data shows Dr. Simchuk billed Medicare for 335 services in 2024, and Dr. Simchuk accepts Medicare assignment.

What is Dr. Erik J. Simchuk's MIPS score?

Dr. Simchuk's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Erik J. Simchuk see?

CMS counts 187 Medicare patients who saw Dr. Simchuk in 2024, with an average age of 67.

Is Dr. Erik J. Simchuk board certified?

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

What services does Dr. Erik J. Simchuk bill to Medicare?

In 2024, Dr. Simchuk's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and surgery: digestive system (49905).

Where did Dr. Erik J. Simchuk go to medical school?

Dr. Simchuk graduated from Geisel School Of Medicine At Dartmouth in 1995.

What drugs does Dr. Erik J. Simchuk prescribe most?

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

Has Dr. Erik J. Simchuk received payments from drug or device companies?

CMS Open Payments shows $10,607 in general payments to Dr. Simchuk from 9 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Erik J. Simchuk been practicing?

Dr. Simchuk graduated from medical school in 1995, 31 years ago.

Does Dr. Erik J. Simchuk do research?

Dmand AI links 2 publications to Dr. Simchuk.

What insurance does Dr. Erik J. Simchuk accept?

Dr. Simchuk is in network with 8 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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