Dr. John Mathew Simon, MD
- Medicare services, 2024
- 255
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 83
- Industry payments
- $2,124
- Affiliated sites
- 3
- Practice address
- 1000 Montauk Hwy, West Islip, NY 11795
- Practice phone
- Call (631) 376-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Good Samaritan University Hospital
West Islip, New York
Find Dr. Simon's professional email, personal email and mobile number
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Dr. John Mathew Simon is a general surgeon in West Islip, New York
Dr. Simon practices at Good Samaritan University Hospital in West Islip, New York.
Dr. Simon's NPI, 1881628683, was assigned on July 10, 2006. Dr. Simon graduated from Kasturba Medical College Manipal in 1982. Dr. Simon holds New York license 1662481.
- NPI
- 1881628683NPI Registry (opens in a new tab)
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Practice phone
- (631) 376-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John Mathew Simon practices at Good Samaritan University Hospital in West Islip, New York
Dr. Simon's primary practice is Good Samaritan University Hospital, at 1000 Montauk Hwy, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 376-3000.
- Good Samaritan University Hospital1000 Montauk Hwy, West Islip, NY 11795 · Suffolk CountyPhone(631) 376-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Mathew Simon is affiliated with 4 sites of care and 3 medical groups
Dr. Simon's primary practice is Good Samaritan University Hospital in West Islip, New York. The medical group on file is Cardiac Interventional Group. Dmand AI also links Dr. Simon to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Mathew Simon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan University Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Mathew Simon is one of 1,604 general surgeons in New York
Surgery is Dr. Simon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Simon is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Simon's licenses on file in 2 states: New York and Georgia.
Specialties and state licenses
- Surgery, New YorkPrimary
- Georgia license
Clinical focus
Dmand AI lists abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal, gastrointestinal bleeding, groin hernia surgery and hemorrhoids among the conditions Dr. Simon treats.
General surgeons near Dr. Simon
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. John Mathew Simon billed Medicare for 255 services in 2024
CMS data shows 255 Medicare services from Dr. Simon across 9 procedure codes in 2024, for 155 Medicare patients. Medicare paid $29,160 for them.
Dr. Simon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2012024: 2146%
- Surgery
- 2023: 682024: 4140%
Where Dr. Simon's Medicare services took place, 2024
- In an office16866%
- In a facility8734%
Dr. Simon compared with the New York median for general surgeons, 2024
- Dr. Simon
- New York median
- Medicare services
- 255vs 15466% above
- Medicare patients
- 155vs 10942% above
- Part D claims
- 66vs 242.8 times
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Simon'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.
Need commercial claims for Dr. Simon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simon and other general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Mathew Simon treated 155 Medicare patients in 2024, average age 73
CMS counts 155 Medicare patients who saw Dr. Simon in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Simon's median patient age at 58, with 60% women.
Dr. Simon's Medicare patients by age, 2024
Dr. Simon's Medicare patients by sex, 2024
- Women5737%
- Men9863%
Chronic conditions among Dr. Simon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease51%
- Diabetes37%
- Cancer26%
- Anxiety25%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Mathew Simon wrote 83 Medicare Part D claims in 2024
In 2024, Dr. Simon wrote 83 Medicare Part D claims for 46 patients. 99% of them were for generic drugs. CMS names the drug for 66 of them, across 3 drugs with 11 or more claims each, at $482 in total drug cost. In 2023, CMS named 51 claims across 2 drugs.
Dr. Simon's Part D claims by kind of drug, 2024
- Generic82 claims99%
- Brand-name and other1 claims1%
Dr. Simon'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. Simon's Part D claims, 2024
- Opioids46%38 of 83 claims
- Antibiotics45%37 of 83 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: 512024: 6629%
Drugs named by CMS: 3 in 2024, 2 in 2023.
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
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Dr. John Mathew Simon received $2,124 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. Simon from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Lifecell Corporation paid the most, $263.
General payments to Dr. Simon by program year, 2016 to 2025
Companies that paid Dr. Simon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Mathew Simon has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Simon, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Simon
- 2013
- CMS Stage 1 EHR
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. John Mathew Simon graduated from Kasturba Medical College Manipal
Dr. Simon graduated from Kasturba Medical College Manipal in 1982. Dr. Simon is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. John Mathew Simon accepts plans from 15 insurance carriers
Dr. Simon is in network with 15 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Cigna
- +7 more carriersWith a free account
Plan types Dr. Simon accepts, by number of carriers
- PPO10
- Medicare9
- HMO7
- POS5
- EPO4
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. John Mathew Simon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Mathew Simon
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 Mathew Simon's NPI number?
Dr. John Mathew Simon's NPI number is 1881628683. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Mathew Simon?
Dr. John Mathew Simon is a general surgeon in West Islip, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Mathew Simon practice?
Dr. Simon practices at 1000 Montauk Hwy, West Islip, NY 11795. Dr. Simon's primary practice is Good Samaritan University Hospital in West Islip, New York. Dmand AI also links Dr. Simon to 3 group practices and clinics and 2 medical groups.
What is Dr. John Mathew Simon's office phone number?
The practice phone on file for Dr. Simon is (631) 376-3000.
What is Dr. John Mathew Simon's medical license number?
Dr. Simon holds New York license 1662481, one of the licenses on file in 2 states.
Which states has Dr. John Mathew Simon been licensed in?
Dmand AI has state licenses on file for Dr. Simon in New York (1986 to 2026) and Georgia (1989 to 1993).
What medical group is Dr. John Mathew Simon part of?
Dr. Simon is linked to Cardiac Interventional Group. Dmand AI links Dr. Simon to 2 more medical groups.
Does Dr. John Mathew Simon accept Medicare?
Yes. CMS data shows Dr. Simon billed Medicare for 255 services in 2024.
How many Medicare patients does Dr. John Mathew Simon see?
CMS counts 155 Medicare patients who saw Dr. Simon in 2024, with an average age of 73.
Is Dr. John Mathew Simon board certified?
Yes. Dr. Simon is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. John Mathew Simon bill to Medicare?
In 2024, Dr. Simon's most billed Medicare services were office visit, new patient (99203), hospital inpatient care (99231) and office visit, established patient (99213).
Where did Dr. John Mathew Simon go to medical school?
Dr. Simon graduated from Kasturba Medical College Manipal in 1982.
What drugs does Dr. John Mathew Simon prescribe most?
In 2024 Medicare Part D data, Dr. Simon's most prescribed drugs by claims were Oxycodone HCl, Erythromycin and Neomycin Sulfate.
Has Dr. John Mathew Simon received payments from drug or device companies?
CMS Open Payments shows $2,124 in general payments to Dr. Simon from 29 companies from 2016 to 2025. The largest total came from Lifecell Corporation.
How long has Dr. John Mathew Simon been practicing?
Dr. Simon graduated from medical school in 1982, 44 years ago.
What insurance does Dr. John Mathew Simon accept?
Dr. Simon is in network with 15 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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