Dr. Ernst Bontemps, MD

  • Saint Petersburg, FL
  • Gastroenterologist
NPI1831150408PAC ID5294755252
Medicare services, 2024
1,172
Medicare patients, 2024
597
Part D claims, 2024
439
Hospital affiliations
5
Industry payments
$365
Practice address
7017 Central Ave, Saint Petersburg, FL 33710
Practice phone
Call (727) 347-0005
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

West Central Gastroenterology

Saint Petersburg, Florida

See all 8 affiliations

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Dr. Ernst Bontemps is a gastroenterologist in Saint Petersburg, Florida

Dr. Bontemps practices at West Central Gastroenterology in Saint Petersburg, Florida.

Dr. Bontemps' NPI, 1831150408, was assigned on March 31, 2006. Dr. Bontemps graduated from State in 1989. Dr. Bontemps holds Florida license ME83742.

NPI and contact details
Medicare PAC ID
5294755252
NPI enumeration date
March 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(727) 347-0005
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1989

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

Dr. Ernst Bontemps practices at West Central Gastroenterology in Saint Petersburg, Florida

Dr. Bontemps' primary practice is West Central Gastroenterology, at 7017 Central Ave, Saint Petersburg, FL 33710 in Pinellas County. The practice phone is (727) 347-0005.

  • West Central Gastroenterology
    7017 Central Ave, Saint Petersburg, FL 33710 · Pinellas CountyPhone(727) 347-0005

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

Dr. Ernst Bontemps is affiliated with 7 sites of care and 1 medical group

Dr. Bontemps' primary practice is West Central Gastroenterology in Saint Petersburg, Florida. Dr. Bontemps is also affiliated with BayCare St. Anthony's Hospital. The medical group on file is Gastro Florida. Dmand AI also links Dr. Bontemps to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Bontemps

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

Dmand AI tracks the EHR system at Dr. Ernst Bontemps' practice

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

EHR by site
SiteEHR vendor and product
West Central GastroenterologyAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ernst Bontemps is one of 1,364 gastroenterologists in Florida

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

Specialties and state licenses

  • Gastroenterology, FloridaPrimaryLicense ME83742 · 2001 to 2026 · taxonomy 207RG0100X
  • New York license1999 to 2008

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroduodenitis and gastroenteritis among the conditions Dr. Bontemps treats.

Gastroenterologists near Dr. Bontemps

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. Ernst Bontemps billed Medicare for 1,172 services in 2024

CMS data shows 1,172 Medicare services from Dr. Bontemps across 11 procedure codes in 2024, for 597 Medicare patients. Medicare paid $122,421 for them.

Medicare services, 20241,172
Medicare patients597
Paid by Medicare$122,421
Procedure codes11

Dr. Bontemps' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 8182024: 72811%
Surgery
2023: 5712024: 42526%
Other services
2023: 162024: 1919%

Where Dr. Bontemps' Medicare services took place, 2024

  • In an office70660%
  • In a facility46640%

Dr. Bontemps compared with the Florida median for gastroenterologists, 2024

  • Dr. Bontemps
  • Florida median
Medicare services
1,172vs 5822.0 times
Medicare patients
597vs 32285% above
Part D claims
263vs 50248% below

Medians across 1,320 gastroenterologists in Florida with Dmand AI profiles that report each measure.

Dr. Bontemps' 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. Bontemps

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

Dr. Ernst Bontemps treated 597 Medicare patients in 2024, average age 76

CMS counts 597 Medicare patients who saw Dr. Bontemps in 2024. The largest group is 65 to 74, with 276 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Bontemps' median patient age at 69, with 56% women.

Medicare patients, 2024597
Average age76
Average risk score1.19
Also on Medicaid3%

Dr. Bontemps' Medicare patients by age, 2024

Dr. Bontemps' Medicare patients by sex, 2024

  • Women35459%
  • Men24341%

Chronic conditions among Dr. Bontemps' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis50%
  4. Ischemic heart disease29%
  5. Anxiety26%
  6. Chronic kidney disease26%
  7. Diabetes24%
  8. Mood disorders22%

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

Dr. Bontemps' patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Ernst Bontemps wrote 439 Medicare Part D claims in 2024

In 2024, Dr. Bontemps wrote 439 Medicare Part D claims for 208 patients. 83% of them were for generic drugs. CMS names the drug for 263 of them, across 8 drugs with 11 or more claims each, at $23,692 in total drug cost. In 2023, CMS named 204 claims across 6 drugs.

Part D claims, 2024439
Drugs named by CMS8
Total drug cost$23,692
Part D patients208

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

  • Generic365 claims83%
  • Brand-name74 claims17%

Dr. Bontemps' 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. Bontemps' Part D claims, 2024

  • Antibiotics4%18 of 439 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: 2042024: 26329%

Drugs named by CMS: 8 in 2024, 6 in 2023.

See all prescribing by Dr. Bontemps

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. Ernst Bontemps ranks in the 73rd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Bontemps accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 86 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Bontemps, more than 73% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Bontemps ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
73rd percentile86 procedures
Colonoscopy
71st percentile71 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. Ernst Bontemps received $365 in industry payments from 2018 to 2025

CMS Open Payments shows 13 general payments to Dr. Bontemps from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 92% of the total. Abbvie Inc. paid the most, $168.

General payments to Dr. Bontemps by program year, 2018 to 2025

General payments to Dr. Bontemps by kind, 2018 to 2025

$365in total
  • Food and beverage$33692%
  • Education$164%
  • Entertainment$144%

Companies that paid Dr. Bontemps the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bontemps

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

Dr. Ernst Bontemps graduated from State

Dr. Bontemps graduated from State in 1989.

  1. Medical schoolState
  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. Ernst Bontemps accepts plans from 17 insurance carriers

Dr. Bontemps is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Bontemps accepts, by number of carriers

  1. PPO11
  2. HMO10
  3. Medicare8
  4. EPO5
  5. POS5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ernst Bontemps'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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. Ernst Bontemps

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. Ernst Bontemps' NPI number?

Dr. Ernst Bontemps' NPI number is 1831150408. It was assigned on March 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ernst Bontemps?

Dr. Ernst Bontemps is a gastroenterologist in Saint Petersburg, Florida. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Ernst Bontemps practice?

Dr. Bontemps practices at 7017 Central Ave, Saint Petersburg, FL 33710. Dr. Bontemps' primary practice is West Central Gastroenterology in Saint Petersburg, Florida. Dmand AI also links Dr. Bontemps to 4 hospitals and 1 group practice or clinic.

What is Dr. Ernst Bontemps' office phone number?

The practice phone on file for Dr. Bontemps is (727) 347-0005.

What is Dr. Ernst Bontemps' medical license number?

Dr. Bontemps holds Florida license ME83742, one of the licenses on file in 2 states.

Which states has Dr. Ernst Bontemps been licensed in?

Dmand AI has state licenses on file for Dr. Bontemps in Florida (2001 to 2026) and New York (1999 to 2008).

Which hospitals is Dr. Ernst Bontemps affiliated with?

Dr. Bontemps is affiliated with BayCare St. Anthony's Hospital. Dmand AI links Dr. Bontemps to 4 more hospitals.

What medical group is Dr. Ernst Bontemps part of?

Dr. Bontemps is linked to Gastro Florida.

Does Dr. Ernst Bontemps accept Medicare?

Yes. CMS data shows Dr. Bontemps billed Medicare for 1,172 services in 2024, and Dr. Bontemps accepts Medicare assignment.

How many Medicare patients does Dr. Ernst Bontemps see?

CMS counts 597 Medicare patients who saw Dr. Bontemps in 2024, with an average age of 76.

Show 7 more questionsShow fewer questions

Is Dr. Ernst Bontemps board certified?

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

What services does Dr. Ernst Bontemps bill to Medicare?

In 2024, Dr. Bontemps' most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and surgery: digestive system (43239).

Where did Dr. Ernst Bontemps go to medical school?

Dr. Bontemps graduated from State in 1989.

What drugs does Dr. Ernst Bontemps prescribe most?

In 2024 Medicare Part D data, Dr. Bontemps' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Diphenoxylate-Atropine.

Has Dr. Ernst Bontemps received payments from drug or device companies?

CMS Open Payments shows $365 in general payments to Dr. Bontemps from 8 companies from 2018 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Ernst Bontemps been practicing?

Dr. Bontemps graduated from medical school in 1989, 37 years ago.

What insurance does Dr. Ernst Bontemps accept?

Dr. Bontemps is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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