Dr. Jonathan T. Simon, MD
- Medicare services, 2024
- 309
- Medicare patients, 2024
- 215
- Part D claims, 2024
- 2,632
- Hospital affiliations
- 1
- Industry payments
- $3,248
- Practice address
- 130 Division St, Derby, CT 06418
- Practice phone
- Call (203) 732-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Jonathan T. Simon is an internist in Derby, Connecticut
Dr. Simon practices at Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
Dr. Simon's NPI, 1073565511, was assigned on May 16, 2006. Dr. Simon graduated from State University of New York Downstate Medical Center College of Medicine in 1998. Dr. Simon holds Connecticut license 46849.
- NPI
- 1073565511NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385634583
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 732-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan T. Simon practices at 2 locations in Derby, Connecticut
Dr. Simon's primary practice is Griffin Hospital, at 130 Division St, Derby, CT 06418 in New Haven County. The practice phone is (203) 732-7500. Dr. Simon also practices at Griffin Hospital, 144 Division St, Derby, CT 06418.
- Griffin HospitalPrimary130 Division St, Derby, CT 06418 · New Haven CountyPhone(203) 732-7500
- Griffin Hospital144 Division St, Derby, CT 06418 · Naugatuck Vly CountyPhone(203) 732-7360
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Jonathan T. Simon is affiliated with 3 sites of care and 2 medical groups
Dr. Simon's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. The medical group on file is Griffin Faculty Physicians. Dmand AI also links Dr. Simon to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan T. 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 |
|---|---|
| Griffin Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Griffin Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jonathan T. Simon is one of 2,189 internists in Connecticut
Internal medicine is Dr. Simon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Simon's licenses on file in 2 states: Connecticut and New York.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
- Gastroenterology, New York
Internists near Dr. Simon
Counts of internists 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. Jonathan T. Simon billed Medicare for 309 services in 2024
CMS data shows 309 Medicare services from Dr. Simon across 11 procedure codes in 2024, for 215 Medicare patients. Medicare paid $31,238 for them.
Dr. Simon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1742024: 15610%
- Office and hospital visits
- 2023: 1202024: 10612%
- Other services
- 2023: 142024: 33136%
- Tests and treatments
- 2023: 02024: 14
Where Dr. Simon's Medicare services took place, 2024
- In an office11236%
- In a facility19764%
Dr. Simon compared with the Connecticut median for internists, 2024
- Dr. Simon
- Connecticut median
- Medicare services
- 309vs 39021% below
- Medicare patients
- 215vs 17225% above
- Part D claims
- 2,482vs 3437.2 times
Medians across 2,185 internists in Connecticut 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan T. Simon treated 215 Medicare patients in 2024, average age 72
CMS counts 215 Medicare patients who saw Dr. Simon in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.58, 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. Simon's median patient age at 62, with 46% women.
Dr. Simon's Medicare patients by age, 2024
Dr. Simon's Medicare patients by sex, 2024
- Women11654%
- Men9946%
Chronic conditions among Dr. Simon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Anxiety32%
- Ischemic heart disease32%
- Diabetes31%
- Mood disorders30%
- COPD26%
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 62
Patient panel by sex, all payers
- Women46%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan T. Simon wrote 2,632 Medicare Part D claims in 2024
In 2024, Dr. Simon wrote 2,632 Medicare Part D claims for 720 patients. 83% of them were for generic drugs. CMS names the drug for 2,482 of them, across 34 drugs with 11 or more claims each, at $677,533 in total drug cost. In 2023, CMS named 2,539 claims across 35 drugs.
Dr. Simon's Part D claims by kind of drug, 2024
- Generic2,185 claims83%
- Brand-name and other447 claims17%
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
- Opioids1%14 of 2,632 claims
- Antibiotics1%36 of 2,632 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: 2,5392024: 2,4822%
Drugs named by CMS: 34 in 2024, 35 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
Dr. Jonathan T. Simon scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Simon for performance year 2024, reported as part of a group. Dr. Simon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Simon as offering telehealth. CMS counts 42 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Simon, more than 60% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Simon's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Simon ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 60th percentile42 procedures
- Colonoscopy
- 53rd percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jonathan T. Simon received $3,248 in industry payments from 2016 to 2025
CMS Open Payments shows 190 general payments to Dr. Simon from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $632.
General payments to Dr. Simon by program year, 2016 to 2025
General payments to Dr. Simon by kind, 2016 to 2025
- Food and beverage$3,22099%
- Education$160%
- Consulting fees$110%
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. Jonathan T. Simon graduated from State University of New York Downstate Medical Center College of Medicine
Dr. Simon graduated from State University of New York Downstate Medical Center College of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan T. 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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jonathan T. 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. Jonathan T. Simon's NPI number?
Dr. Jonathan T. Simon's NPI number is 1073565511. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan T. Simon?
Dr. Jonathan T. Simon is an internist in Derby, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan T. Simon practice?
Dr. Simon practices at 130 Division St, Derby, CT 06418. Dr. Simon also practices at 144 Division St, Derby, CT 06418. Dr. Simon's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. Dmand AI also links Dr. Simon to 2 group practices and clinics and 1 medical group.
What is Dr. Jonathan T. Simon's office phone number?
The practice phone on file for Dr. Simon is (203) 732-7500.
What is Dr. Jonathan T. Simon's medical license number?
Dr. Simon holds Connecticut license 46849, one of the licenses on file in 2 states.
Which states has Dr. Jonathan T. Simon been licensed in?
Dmand AI has state licenses on file for Dr. Simon in Connecticut and New York.
Which hospitals is Dr. Jonathan T. Simon affiliated with?
Dr. Simon practices at Griffin Hospital in Derby, Connecticut.
What medical group is Dr. Jonathan T. Simon part of?
Dr. Simon is linked to Griffin Faculty Physicians. Dmand AI links Dr. Simon to 1 more medical group.
Does Dr. Jonathan T. Simon accept Medicare?
Yes. CMS data shows Dr. Simon billed Medicare for 309 services in 2024, and Dr. Simon accepts Medicare assignment.
Does Dr. Jonathan T. Simon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Simon as offering telehealth services.
Show 7 more questionsShow fewer questions
What is Dr. Jonathan T. Simon's MIPS score?
Dr. Simon's MIPS final score for performance year 2024 is 0 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jonathan T. Simon see?
CMS counts 215 Medicare patients who saw Dr. Simon in 2024, with an average age of 72.
What services does Dr. Jonathan T. Simon bill to Medicare?
In 2024, Dr. Simon's most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (43239) and surgery: digestive system (45385).
Where did Dr. Jonathan T. Simon go to medical school?
Dr. Simon graduated from State University of New York Downstate Medical Center College of Medicine in 1998.
What drugs does Dr. Jonathan T. Simon prescribe most?
In 2024 Medicare Part D data, Dr. Simon's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Ondansetron HCl.
Has Dr. Jonathan T. Simon received payments from drug or device companies?
CMS Open Payments shows $3,248 in general payments to Dr. Simon from 28 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jonathan T. Simon been practicing?
Dr. Simon graduated from medical school in 1998, 28 years ago.
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