Dr. John B. Dever, MD

  • Nampa, ID
  • Gastroenterologist
NPI1093918724PAC ID1850432766
Medicare services, 2024
407
Medicare patients, 2024
186
Part D claims, 2024
396
Publications
11
Hospital affiliations
2
Practice address
425 West Bannock Street, Boise, ID 83702
Practice phone
Call (208) 342-7169
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Boise Endoscopy Center

Surgery Center - Medicare-Certified · Boise, Idaho

See all 9 affiliations

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Dr. John B. Dever is a gastroenterologist in Nampa, Idaho

Dr. Dever practices at Boise Endoscopy Center in Boise, Idaho.

Dr. Dever's NPI, 1093918724, was assigned on June 8, 2007. Dr. Dever graduated from Saba University School of Medicine in 2006. Dr. Dever holds Idaho license M-16522.

NPI and contact details
Medicare PAC ID
1850432766
NPI enumeration date
June 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(208) 342-7169
Professional email
Get email
Personal email
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Mobile number
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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. John B. Dever practices in Boise and Nampa

Dr. Dever's primary practice is Boise Endoscopy Center, at 425 West Bannock Street, Boise, ID 83702. The practice phone is (208) 342-7169. Dr. Dever also practices at Boise Endoscopy Center, LLC, 1216 Garrity Blvd, Nampa, ID 83687.

  • Boise Endoscopy CenterPrimary
    425 West Bannock Street, Boise, ID 83702Phone(208) 342-7169
  • Boise Endoscopy Center, LLC
    1216 Garrity Blvd, Nampa, ID 83687 · Canyon CountyPhone(208) 954-8218

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

Dr. John B. Dever is affiliated with 6 sites of care and 3 medical groups

Dr. Dever's primary practice is Boise Endoscopy Center in Boise, Idaho. Dr. Dever is also affiliated with St. Luke's Nampa Medical Center. The medical group on file is Idaho Gastroenterology Associates. Dmand AI also links Dr. Dever to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.

See all 9 affiliations for Dr. Dever

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

Dmand AI tracks the EHR system at Dr. John B. Dever's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dever practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Boise Endoscopy CenterAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John B. Dever is one of 84 gastroenterologists in Idaho

Gastroenterology is Dr. Dever's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Dever is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Dever's licenses on file in 7 states: Idaho, California, Florida, Colorado, Massachusetts, Washington and Rhode Island.

Specialties and state licenses

  • Gastroenterology, IdahoPrimaryLicense M-16522 · 2022 to 2026 · taxonomy 207RG0100X
  • California licenseLicense A114858 · 2010 to 2026
  • Florida license2019 to 2024
  • Colorado license2020 to 2021
  • Massachusetts license2009 to 2012
  • Washington license2007 to 2009
  • Rhode Island license2006 to 2007

Clinical focus

Dmand AI lists acid reflux, chronic anemia, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, gastrointestinal bleeding and irritable bowel syndrome (IBS) among the conditions Dr. Dever treats.

Gastroenterologists near Dr. Dever

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

84gastroenterologists in Idaho
5gastroenterologists in Nampa

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

Dr. John B. Dever billed Medicare for 407 services in 2024

CMS data shows 407 Medicare services from Dr. Dever across 10 procedure codes in 2024, for 186 Medicare patients. Medicare paid $28,058 for them.

Medicare services, 2024407
Medicare patients186
Paid by Medicare$28,058
Procedure codes10

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

  • 2023
  • 2024
Surgery
2023: 6242024: 28355%
Other services
2023: 1,4002024: 8094%
Office and hospital visits
2023: 892024: 4451%
Imaging
2023: 182024: 0100%

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

  • In an office4411%
  • In a facility36389%

Dr. Dever compared with the Idaho median for gastroenterologists, 2024

  • Dr. Dever
  • Idaho median
Medicare services
407vs 55927% below
Medicare patients
186vs 32142% below
Part D claims
322vs 46030% below

Medians across 81 gastroenterologists in Idaho with Dmand AI profiles that report each measure.

Dr. Dever'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. Dever

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dever and other gastroenterologists in Idaho.

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

Dr. John B. Dever treated 186 Medicare patients in 2024, average age 74

CMS counts 186 Medicare patients who saw Dr. Dever in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dever's median patient age at 60, with 51% women.

Medicare patients, 2024186
Average age74
Average risk score1.32
Also on Medicaid8%

Dr. Dever's Medicare patients by age, 2024

Dr. Dever's Medicare patients by sex, 2024

  • Women10556%
  • Men8144%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis48%
  4. Depression33%
  5. Mood disorders33%
  6. Diabetes30%
  7. Anxiety27%
  8. Chronic kidney disease26%

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

Dr. Dever'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

  • Women51%
  • Men48%

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

Dr. John B. Dever wrote 396 Medicare Part D claims in 2024

In 2024, Dr. Dever wrote 396 Medicare Part D claims for 194 patients. 89% of them were for generic drugs. CMS names the drug for 322 of them, across 6 drugs with 11 or more claims each, at $21,550 in total drug cost. In 2023, CMS named 223 claims across 5 drugs.

Part D claims, 2024396
Drugs named by CMS6
Total drug cost$21,550
Part D patients194

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

  • Generic351 claims89%
  • Brand-name45 claims11%

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

  • Antibiotics3%11 of 396 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: 2232024: 32244%

Drugs named by CMS: 6 in 2024, 5 in 2023.

See all prescribing by Dr. Dever

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. John B. Dever ranks in the 97th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Dever accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 388 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Dever, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Dever ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
97th percentile388 procedures
Colonoscopy
88th percentile146 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. John B. Dever has 11 publications on record

Dmand AI links 11 papers to Dr. Dever, published from 2009 to 2017. 2009 was the busiest year, with 2. The most frequent topics are Bacterial Infections, Peritonitis and Anti-Bacterial Agents. Dr. Dever has published most often in Aliment Pharmacol Ther. Dr. Dever's most frequent co-authors are Muhammad Yasin Sheikh, MD, Stephen W. Bayles, MD and John J. Brandabur, MD.

Papers11
Years published2009 to 2017

Dr. Dever's papers by year, 2009 to 2017

Topics Dr. Dever writes about most

  • Bacterial Infections
  • Peritonitis
  • Anti-Bacterial Agents
  • Hepatitis C, Chronic
  • Liver Cirrhosis

Dr. Dever's most frequent co-authors

Recent publications by Dr. Dever

See all 11 publications and co-authors

See who Dr. Dever researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dever 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. John B. Dever received $414 in industry payments from 2023 to 2025

CMS Open Payments shows 15 general payments to Dr. Dever from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Mauna Kea Technologies, Inc. paid the most, $97.

General payments to Dr. Dever by program year, 2023 to 2025

Companies that paid Dr. Dever the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dever

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

Dr. John B. Dever graduated from Saba University School of Medicine

Dr. Dever graduated from Saba University School of Medicine in 2006.

  1. Medical schoolSaba University School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John B. Dever accepts plans from 8 insurance carriers

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

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • CMS Medicare
  • Pacific Source Health Plans
  • RI State Medicaid

Plan types Dr. Dever accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO3
  4. POS2
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John B. Dever'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)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. John B. Dever

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. John B. Dever's NPI number?

Dr. John B. Dever's NPI number is 1093918724. It was assigned on June 8, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. John B. Dever?

Dr. John B. Dever is a gastroenterologist in Nampa, Idaho. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. John B. Dever practice?

Dr. Dever practices at 425 West Bannock Street, Boise, ID 83702. Dr. Dever also practices at 1216 Garrity Blvd, Nampa, ID 83687. Dr. Dever's primary practice is Boise Endoscopy Center in Boise, Idaho. Dmand AI also links Dr. Dever to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.

What is Dr. John B. Dever's office phone number?

The practice phone on file for Dr. Dever is (208) 342-7169.

What is Dr. John B. Dever's medical license number?

Dr. Dever holds Idaho license M-16522, one of the licenses on file in 7 states.

Which states has Dr. John B. Dever been licensed in?

Dmand AI has state licenses on file for Dr. Dever in Idaho (2022 to 2026), California (2010 to 2026), Florida (2019 to 2024), Colorado (2020 to 2021), Massachusetts (2009 to 2012), Washington (2007 to 2009) and Rhode Island (2006 to 2007).

Which hospitals is Dr. John B. Dever affiliated with?

Dr. Dever is affiliated with St. Luke's Nampa Medical Center. Dmand AI links Dr. Dever to 1 more hospital.

What medical group is Dr. John B. Dever part of?

Dr. Dever is linked to Idaho Gastroenterology Associates. Dmand AI links Dr. Dever to 2 more medical groups.

Does Dr. John B. Dever accept Medicare?

Yes. CMS data shows Dr. Dever billed Medicare for 407 services in 2024, and Dr. Dever accepts Medicare assignment.

How many Medicare patients does Dr. John B. Dever see?

CMS counts 186 Medicare patients who saw Dr. Dever in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. John B. Dever board certified?

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

What services does Dr. John B. Dever bill to Medicare?

In 2024, Dr. Dever's most billed Medicare services were medicare service (G0500), surgery: digestive system (45380) and surgery: digestive system (45385).

Where did Dr. John B. Dever go to medical school?

Dr. Dever graduated from Saba University School of Medicine in 2006.

What drugs does Dr. John B. Dever prescribe most?

In 2024 Medicare Part D data, Dr. Dever's most prescribed drugs by claims were Omeprazole, Ondansetron ODT and Sod Sulf-Potass Sulf-Mag Sulf.

Has Dr. John B. Dever received payments from drug or device companies?

CMS Open Payments shows $414 in general payments to Dr. Dever from 9 companies from 2023 to 2025. The largest total came from Mauna Kea Technologies, Inc.

How long has Dr. John B. Dever been practicing?

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

Does Dr. John B. Dever do research?

Dmand AI links 11 publications to Dr. Dever, published from 2009 to 2017.

Who does Dr. John B. Dever publish with?

Dr. Dever's most frequent co-authors are Muhammad Yasin Sheikh, MD (2 shared papers), Stephen W. Bayles, MD (1 shared paper) and John J. Brandabur, MD (1 shared paper).

What insurance does Dr. John B. Dever accept?

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

Selling to gastroenterology practices?

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