Dr. Jonathan E. Gage, MD
- Medicare services, 2024
- 1,407
- Medicare patients, 2024
- 479
- Part D claims, 2024
- 7,977
- MIPS score, 2024
- 90
- Hospital affiliations
- 2
- Practice address
- 250 W Main St, Branford, CT 06405
- Practice phone
- Call (860) 246-2071
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hartford Healthcare Medical Group Specialists
Branford, Connecticut
Find Dr. Gage's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jonathan E. Gage is a cardiologist in Branford, Connecticut
Dr. Gage practices at Hartford Healthcare Medical Group Specialists in Branford, Connecticut.
Dr. Gage's NPI, 1528083607, was assigned on July 12, 2006. Dr. Gage graduated from Perelman School of Med at the University of Pennsylvania in 1981. Dr. Gage holds Connecticut license 26701.
- NPI
- 1528083607NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395832018
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 246-2071
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan E. Gage practices at Hartford Healthcare Medical Group Specialists in Branford, Connecticut
Dr. Gage's primary practice is Hartford Healthcare Medical Group Specialists, at 250 W Main St, Branford, CT 06405 in South Central Ct County. The practice phone is (860) 246-2071.
- Hartford Healthcare Medical Group Specialists250 W Main St, Branford, CT 06405 · South Central Ct CountyPhone(860) 246-2071
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jonathan E. Gage is affiliated with 5 sites of care and 1 medical group
Dr. Gage's primary practice is Hartford Healthcare Medical Group Specialists in Branford, Connecticut. Dr. Gage is also affiliated with Yale New Haven Hospital. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Gage to 1 more hospital, 1 physician office and 1 group practice or clinic, 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. Jonathan E. Gage's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gage practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Healthcare Medical Group Specialists | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan E. Gage is one of 423 cardiologists in Connecticut
Cardiovascular disease is Dr. Gage's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Gage is licensed in Connecticut.
Specialties and state licenses
- Cardiovascular disease, ConnecticutPrimary
Cardiologists near Dr. Gage
Counts of cardiologists 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 E. Gage billed Medicare for 1,407 services in 2024
CMS data shows 1,407 Medicare services from Dr. Gage across 8 procedure codes in 2024, for 479 Medicare patients. Medicare paid $120,083 for them.
Dr. Gage's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3102024: 84735%
- Tests and treatments
- 2023: 7062024: 56021%
- Drugs given in the office
- 2023: 8482024: 0100%
- Imaging
- 2023: 482024: 0100%
- Other services
- 2023: 962024: 0100%
Where Dr. Gage's Medicare services took place, 2024
- In an office1,33295%
- In a facility755%
Dr. Gage compared with the Connecticut median for cardiologists, 2024
- Dr. Gage
- Connecticut median
- Medicare services
- 1,407vs 1,358Close to median
- Medicare patients
- 479vs 68030% below
- Part D claims
- 7,831vs 1,5735.0 times
Medians across 415 cardiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Gage'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. Gage?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gage and other cardiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan E. Gage treated 479 Medicare patients in 2024, average age 79
CMS counts 479 Medicare patients who saw Dr. Gage in 2024. The largest group is 75 to 84, with 195 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gage's median patient age at 76, with 46% women.
Dr. Gage's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gage's Medicare patients by sex, 2024
- Women22447%
- Men25553%
Chronic conditions among Dr. Gage's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Atrial fibrillation40%
- Ischemic heart disease40%
- Anxiety24%
- Chronic kidney disease24%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gage's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
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 E. Gage wrote 7,977 Medicare Part D claims in 2024
In 2024, Dr. Gage wrote 7,977 Medicare Part D claims for 995 patients. 87% of them were for generic drugs. CMS names the drug for 7,831 of them, across 51 drugs with 11 or more claims each, at $1,207,866 in total drug cost. In 2023, CMS named 8,646 claims across 51 drugs.
Dr. Gage's Part D claims by kind of drug, 2024
- Generic6,951 claims87%
- Brand-name1,026 claims13%
Dr. Gage'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. Gage's Part D claims, 2024
- Antibiotics0%12 of 7,977 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: 8,6462024: 7,8319%
Drugs named by CMS: 51 in 2024, 51 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 E. Gage scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Gage for performance year 2024, reported as part of a group. Dr. Gage accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gage's MIPS scores, performance year 2024
- 90of 100Final score
- 83.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jonathan E. Gage received $40 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Gage from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $40.
Companies that paid Dr. Gage the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan E. Gage graduated from Perelman School of Med at the University of Pennsylvania
Dr. Gage graduated from Perelman School of Med at the University of Pennsylvania in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan E. Gage'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) |
| 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) |
| 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 E. Gage
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 E. Gage's NPI number?
Dr. Jonathan E. Gage's NPI number is 1528083607. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan E. Gage?
Dr. Jonathan E. Gage is a cardiologist in Branford, Connecticut. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Jonathan E. Gage practice?
Dr. Gage practices at 250 W Main St, Branford, CT 06405. Dr. Gage's primary practice is Hartford Healthcare Medical Group Specialists in Branford, Connecticut. Dmand AI also links Dr. Gage to 1 hospital, 1 physician office and 1 group practice or clinic.
What is Dr. Jonathan E. Gage's office phone number?
The practice phone on file for Dr. Gage is (860) 246-2071.
What is Dr. Jonathan E. Gage's medical license number?
Dr. Gage holds Connecticut license 26701.
Which hospitals is Dr. Jonathan E. Gage affiliated with?
Dr. Gage is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Gage to 1 more hospital.
What medical group is Dr. Jonathan E. Gage part of?
Dr. Gage is linked to Hartford HealthCare Medical Group Specialists.
Does Dr. Jonathan E. Gage accept Medicare?
Yes. CMS data shows Dr. Gage billed Medicare for 1,407 services in 2024, and Dr. Gage accepts Medicare assignment.
What is Dr. Jonathan E. Gage's MIPS score?
Dr. Gage's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jonathan E. Gage see?
CMS counts 479 Medicare patients who saw Dr. Gage in 2024, with an average age of 79.
Show 5 more questionsShow fewer questions
What services does Dr. Jonathan E. Gage bill to Medicare?
In 2024, Dr. Gage's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and heart test or procedure (93306).
Where did Dr. Jonathan E. Gage go to medical school?
Dr. Gage graduated from Perelman School of Med at the University of Pennsylvania in 1981.
What drugs does Dr. Jonathan E. Gage prescribe most?
In 2024 Medicare Part D data, Dr. Gage's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.
Has Dr. Jonathan E. Gage received payments from drug or device companies?
CMS Open Payments shows $40 in general payments to Dr. Gage from 1 company from 2019 to 2019. The largest total came from Abiomed.
How long has Dr. Jonathan E. Gage been practicing?
Dr. Gage graduated from medical school in 1981, 45 years ago.
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