Dr. Christopher John Dimaio, MD

  • Uniondale, NY
  • Gastroenterologist
NPI1295930840PAC ID0648177097
Medicare services, 2024
815
Medicare patients, 2024
392
Part D claims, 2024
292
Publications
88
Hospital affiliations
3
Practice address
106 Charles Lindbergh Boulevard, Uniondale, NY 11553
Practice phone
Call (516) 794-1868
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Long Island Center for Digestive Health

Surgery Center - Medicare-Certified · Uniondale, New York

See all 8 affiliations

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Dr. Christopher John Dimaio is a gastroenterologist in Uniondale, New York

Dr. Dimaio practices at Long Island Center for Digestive Health in Uniondale, New York.

Dr. Dimaio's NPI, 1295930840, was assigned on June 15, 2007. Dr. Dimaio graduated from Jacobs School of Medicine and Biomedical Sciences in 2000. Dr. Dimaio holds New York license 232631.

NPI and contact details
Medicare PAC ID
0648177097
NPI enumeration date
June 15, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(516) 794-1868
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

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

Dr. Christopher John Dimaio practices at Long Island Center for Digestive Health in Uniondale, New York

Dr. Dimaio's primary practice is Long Island Center for Digestive Health, at 106 Charles Lindbergh Boulevard, Uniondale, NY 11553. The practice phone is (516) 794-1868.

  • Long Island Center for Digestive Health
    106 Charles Lindbergh Boulevard, Uniondale, NY 11553Phone(516) 794-1868

Source: Dmand AI Affiliation Data

Dr. Christopher John Dimaio is affiliated with 5 sites of care and 3 medical groups

Dr. Dimaio's primary practice is Long Island Center for Digestive Health in Uniondale, New York. Dr. Dimaio is also affiliated with North Shore University Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Dimaio to 2 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Dimaio

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

Dmand AI tracks the EHR system at Dr. Christopher John Dimaio's practice

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

EHR by site
SiteEHR vendor and product
Long Island Center for Digestive HealthAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christopher John Dimaio is one of 1,583 gastroenterologists in New York

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

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 232631 · 2004 to 2026 · taxonomy 207RG0100X
  • Pennsylvania license2001 to 2004

Clinical focus

Dmand AI lists acid reflux, colonoscopy, esophagus, stomach, or upper small intestine surgery, gastroenteritis, gastrointestinal bleeding, intestinal diverticulosis, irritable bowel syndrome (IBS) and pancreas or bile duct endoscopy (ERCP) among the conditions Dr. Dimaio treats.

Gastroenterologists near Dr. Dimaio

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. Christopher John Dimaio billed Medicare for 815 services in 2024

CMS data shows 815 Medicare services from Dr. Dimaio across 17 procedure codes in 2024, for 392 Medicare patients. Medicare paid $95,835 for them.

Medicare services, 2024815
Medicare patients392
Paid by Medicare$95,835
Procedure codes17

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

  • 2023
  • 2024
Surgery
2023: 4802024: 43110%
Office and hospital visits
2023: 5022024: 34731%
Imaging
2023: 422024: 3712%

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

  • In an office22327%
  • In a facility59273%

Dr. Dimaio compared with the New York median for gastroenterologists, 2024

  • Dr. Dimaio
  • New York median
Medicare services
815vs 42194% above
Medicare patients
392vs 23666% above
Part D claims
225vs 38241% below

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Dr. Dimaio'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. Dimaio

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

Dr. Christopher John Dimaio treated 392 Medicare patients in 2024, average age 76

CMS counts 392 Medicare patients who saw Dr. Dimaio in 2024. The largest group is 75 to 84, with 164 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Dimaio's median patient age at 71, with 51% women.

Medicare patients, 2024392
Average age76
Average risk score1.63
Also on Medicaid12%

Dr. Dimaio's Medicare patients by age, 2024

Dr. Dimaio's Medicare patients by sex, 2024

  • Women21755%
  • Men17545%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Ischemic heart disease55%
  5. Diabetes37%
  6. Anxiety31%
  7. Heart failure29%
  8. Atrial fibrillation28%

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

Dr. Dimaio's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women51%
  • Men47%

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

Dr. Christopher John Dimaio wrote 292 Medicare Part D claims in 2024

In 2024, Dr. Dimaio wrote 292 Medicare Part D claims for 100 patients. 81% of them were for generic drugs. CMS names the drug for 225 of them, across 6 drugs with 11 or more claims each, at $98,413 in total drug cost. In 2023, CMS named 181 claims across 7 drugs.

Part D claims, 2024292
Drugs named by CMS6
Total drug cost$98,413
Part D patients100

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

  • Generic237 claims81%
  • Brand-name55 claims19%

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

  • Antibiotics7%21 of 292 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: 1812024: 22524%

Drugs named by CMS: 6 in 2024, 7 in 2023.

See all prescribing by Dr. Dimaio

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. Christopher John Dimaio ranks in the 92nd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Dimaio accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dimaio as offering telehealth. CMS counts 232 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Dimaio, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Dimaio ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
92nd percentile232 procedures
Colonoscopy
77th percentile90 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. Christopher John Dimaio has 88 publications on record

Dmand AI links 88 papers to Dr. Dimaio, published from 2009 to 2024. 2015 was the busiest year, with 11. The most frequent topics are Endosonography, Pancreatic Neoplasms and Stents. Dr. Dimaio has published most often in Gastrointest Endosc. Dr. Dimaio's most frequent co-authors are Satish Nagula, MD, Nikhil A. Kumta, MD, MS and Dennis J. Yang, MD.

Papers88
Years published2009 to 2024

Dr. Dimaio's papers by year, 2014 to 2024

Topics Dr. Dimaio writes about most

  • Endosonography
  • Pancreatic Neoplasms
  • Stents
  • Endoscopy, Gastrointestinal
  • Cholangiopancreatography, Endoscopic Retrograde
  • Drainage
  • Endoscopic Ultrasound-Guided Fine Needle Aspiration
  • Ultrasonography, Interventional

Dr. Dimaio's most frequent co-authors

Recent publications by Dr. Dimaio

See all 88 publications and co-authors

See who Dr. Dimaio researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dimaio 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. Christopher John Dimaio received $94,141 in industry payments from 2016 to 2025

CMS Open Payments shows 172 general payments to Dr. Dimaio from 15 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 65% of the total. Boston Scientific Corporation paid the most, $40,676. It also lists 1 research payment totaling $2,664 in 2016.

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

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

$94.1Kin total
  • Speaker and faculty fees$61,40265%
  • Consulting fees$19,43521%
  • Travel and lodging$8,3309%
  • Food and beverage$4,9485%
  • Education$260%

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

Share is of all general payments to this clinician.

See all payments to Dr. Dimaio

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

Dr. Christopher John Dimaio has 1 award and honors on record

Dmand AI lists 1 award for Dr. Dimaio, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Dimaio

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Christopher John Dimaio graduated from Jacobs School of Medicine and Biomedical Sciences

Dr. Dimaio graduated from Jacobs School of Medicine and Biomedical Sciences in 2000.

  1. Medical schoolJacobs School of Medicine and Biomedical Sciences
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Christopher John Dimaio accepts plans from 13 insurance carriers

Dr. Dimaio is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Dimaio accepts, by number of carriers

  1. Medicare11
  2. PPO10
  3. HMO5
  4. POS4
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Christopher John Dimaio'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)
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)
Awards and committee rolesDmand AI Professional Profile Data
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. Christopher John Dimaio

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. Christopher John Dimaio's NPI number?

Dr. Christopher John Dimaio's NPI number is 1295930840. It was assigned on June 15, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Christopher John Dimaio?

Dr. Christopher John Dimaio is a gastroenterologist in Uniondale, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Christopher John Dimaio practice?

Dr. Dimaio practices at 106 Charles Lindbergh Boulevard, Uniondale, NY 11553. Dr. Dimaio's primary practice is Long Island Center for Digestive Health in Uniondale, New York. Dmand AI also links Dr. Dimaio to 2 hospitals, 2 medical groups and 1 group practice or clinic.

What is Dr. Christopher John Dimaio's office phone number?

The practice phone on file for Dr. Dimaio is (516) 794-1868.

What is Dr. Christopher John Dimaio's medical license number?

Dr. Dimaio holds New York license 232631, one of the licenses on file in 2 states.

Which states has Dr. Christopher John Dimaio been licensed in?

Dmand AI has state licenses on file for Dr. Dimaio in New York (2004 to 2026) and Pennsylvania (2001 to 2004).

Which hospitals is Dr. Christopher John Dimaio affiliated with?

Dr. Dimaio is affiliated with North Shore University Hospital. Dmand AI links Dr. Dimaio to 2 more hospitals.

What medical group is Dr. Christopher John Dimaio part of?

Dr. Dimaio is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Dimaio to 2 more medical groups.

Does Dr. Christopher John Dimaio accept Medicare?

Yes. CMS data shows Dr. Dimaio billed Medicare for 815 services in 2024, and Dr. Dimaio accepts Medicare assignment.

Does Dr. Christopher John Dimaio offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Dimaio as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Christopher John Dimaio see?

CMS counts 392 Medicare patients who saw Dr. Dimaio in 2024, with an average age of 76.

Is Dr. Christopher John Dimaio board certified?

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

What services does Dr. Christopher John Dimaio bill to Medicare?

In 2024, Dr. Dimaio's most billed Medicare services were surgery: digestive system (43239), office visit, established patient (99214) and surgery: digestive system (43237).

Where did Dr. Christopher John Dimaio go to medical school?

Dr. Dimaio graduated from Jacobs School of Medicine and Biomedical Sciences in 2000.

What drugs does Dr. Christopher John Dimaio prescribe most?

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

Has Dr. Christopher John Dimaio received payments from drug or device companies?

CMS Open Payments shows $94,141 in general payments to Dr. Dimaio from 15 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Christopher John Dimaio been practicing?

Dr. Dimaio graduated from medical school in 2000, 26 years ago.

Does Dr. Christopher John Dimaio do research?

Dmand AI links 88 publications to Dr. Dimaio, published from 2009 to 2024.

Who does Dr. Christopher John Dimaio publish with?

Dr. Dimaio's most frequent co-authors are Satish Nagula, MD (15 shared papers), Nikhil A. Kumta, MD, MS (14 shared papers) and Dennis J. Yang, MD (12 shared papers).

What insurance does Dr. Christopher John Dimaio accept?

Dr. Dimaio is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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