Dr. Janelle Gyorffy, MD

  • Vacaville, CA
  • Gastroenterologist
NPI1952781379
Part D claims, 2022
13
Publications
4
Industry payments
$958
Affiliated sites
2
Medical groups
2
Practice address
1006 Nut Tree Road, Vacaville, CA 95687
Practice phone
Call (707) 426-2800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Surgery Center at NorthBay VacaValley

Surgery Center - Medicare-Certified · Vacaville, California

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Dr. Janelle Gyorffy is a gastroenterologist in Vacaville, California

Dr. Gyorffy practices at The Surgery Center at NorthBay VacaValley in Vacaville, California.

Dr. Gyorffy's NPI, 1952781379, was assigned on June 1, 2015. Dr. Gyorffy graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2015. Dr. Gyorffy holds Virginia license 0101261153.

NPI and contact details
NPI enumeration date
June 1, 2015
NPI status
Active
Practice phone
(707) 426-2800
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

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

Dr. Janelle Gyorffy practices at The Surgery Center at NorthBay VacaValley in Vacaville, California

Dr. Gyorffy's primary practice is The Surgery Center at NorthBay VacaValley, at 1006 Nut Tree Road, Vacaville, CA 95687. The practice phone is (707) 426-2800.

  • The Surgery Center at NorthBay VacaValley
    1006 Nut Tree Road, Vacaville, CA 95687Phone(707) 426-2800

Source: Dmand AI Affiliation Data

Dr. Janelle Gyorffy is affiliated with 2 sites of care and 2 medical groups

Dr. Gyorffy's primary practice is The Surgery Center at NorthBay VacaValley in Vacaville, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Gyorffy to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Gyorffy

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

Dmand AI tracks the EHR system at Dr. Janelle Gyorffy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gyorffy practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Surgery Center at NorthBay VacaValleyAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Janelle Gyorffy is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Gyorffy's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gyorffy is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Gyorffy's licenses on file in 2 states: Virginia and California.

Specialties and state licenses

  • Gastroenterology, VirginiaPrimaryLicense 0101261153 · 2016 to 2026 · taxonomy 207RG0100X
  • California license2023 to 2027

Gastroenterologists near Dr. Gyorffy

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. Janelle Gyorffy's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Gyorffy's median patient age at 62, with 57% women.

Dr. Gyorffy's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women57%
  • Men43%

Source: Dmand AI Patient Panel Data

Dr. Janelle Gyorffy wrote 13 Medicare Part D claims in 2022

In 2022, Dr. Gyorffy wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $106 in total drug cost.

Part D claims, 202213
Drugs named by CMS1
Total drug cost$106

Dr. Gyorffy's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Gyorffy

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

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Dr. Janelle Gyorffy has 4 publications on record

Dmand AI links 4 papers to Dr. Gyorffy, published from 2017 to 2019. 2017 was the busiest year, with 2. Dr. Gyorffy's most frequent co-authors are Alexander W. Brown, MD, Jeffrey Adam Colburn, MD and John G. Gancayco, MD.

Papers4
Years published2017 to 2019

Dr. Gyorffy's papers by year, 2017 to 2019

Dr. Gyorffy's most frequent co-authors

Recent publications by Dr. Gyorffy

See all 4 publications and co-authors

See who Dr. Gyorffy researches with

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

How network discovery works

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

Dr. Janelle Gyorffy received $958 in industry payments from 2016 to 2025

CMS Open Payments shows 23 general payments to Dr. Gyorffy from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Celgene Corporation paid the most, $127.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Gyorffy

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

Dr. Janelle Gyorffy graduated from Uniformed Services University, F. Edward Hebert School of Medicine

Dr. Gyorffy graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2015.

  1. Medical schoolUniformed Services University, F. Edward Hebert School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Janelle Gyorffy accepts plans from 11 insurance carriers

Dr. Gyorffy is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • Regence Health Plans
  • Aetna
  • Aspirus Health Plan
  • +3 more carriersWith a free account

Plan types Dr. Gyorffy accepts, by number of carriers

  1. PPO7
  2. Medicare6
  3. POS4
  4. HMO3
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Janelle Gyorffy'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 patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (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. Janelle Gyorffy

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. Janelle Gyorffy's NPI number?

Dr. Janelle Gyorffy's NPI number is 1952781379. It was assigned on June 1, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Janelle Gyorffy?

Dr. Janelle Gyorffy is a gastroenterologist in Vacaville, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Janelle Gyorffy practice?

Dr. Gyorffy practices at 1006 Nut Tree Road, Vacaville, CA 95687. Dr. Gyorffy's primary practice is The Surgery Center at NorthBay VacaValley in Vacaville, California. Dmand AI also links Dr. Gyorffy to 1 group practice or clinic and 1 medical group.

What is Dr. Janelle Gyorffy's office phone number?

The practice phone on file for Dr. Gyorffy is (707) 426-2800.

What is Dr. Janelle Gyorffy's medical license number?

Dr. Gyorffy holds Virginia license 0101261153, one of the licenses on file in 2 states.

Which states has Dr. Janelle Gyorffy been licensed in?

Dmand AI has state licenses on file for Dr. Gyorffy in Virginia (2016 to 2026) and California (2023 to 2027).

What medical group is Dr. Janelle Gyorffy part of?

Dr. Gyorffy is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Gyorffy to 1 more medical group.

Is Dr. Janelle Gyorffy board certified?

Yes. Dr. Gyorffy is board certified in gastroenterology by the American Board of Internal Medicine.

Where did Dr. Janelle Gyorffy go to medical school?

Dr. Gyorffy graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2015.

What drugs does Dr. Janelle Gyorffy prescribe most?

In 2022 Medicare Part D data, Dr. Gyorffy's most prescribed drugs by claims were Omeprazole.

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Has Dr. Janelle Gyorffy received payments from drug or device companies?

CMS Open Payments shows $958 in general payments to Dr. Gyorffy from 12 companies from 2016 to 2025. The largest total came from Celgene Corporation.

How long has Dr. Janelle Gyorffy been practicing?

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

Does Dr. Janelle Gyorffy do research?

Dmand AI links 4 publications to Dr. Gyorffy, published from 2017 to 2019.

Who does Dr. Janelle Gyorffy publish with?

Dr. Gyorffy's most frequent co-authors are Alexander W. Brown, MD (1 shared paper), Jeffrey Adam Colburn, MD (1 shared paper) and John G. Gancayco, MD (1 shared paper).

What insurance does Dr. Janelle Gyorffy accept?

Dr. Gyorffy is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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