Dr. John L. Caplan, MD
- Medicare services, 2024
- 5,783
- Medicare patients, 2024
- 1,474
- Part D claims, 2024
- 4,900
- MIPS score, 2024
- 75
- Hospital affiliations
- 2
- Practice address
- 2073 Klockner Rd, Trenton, NJ 08690
- Practice phone
- Call (609) 584-1212
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hamilton Cardiology Associates, PA
Trenton, New Jersey
Find Dr. Caplan'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. John L. Caplan is a cardiologist in Trenton, New Jersey
Dr. Caplan practices at Hamilton Cardiology Associates, PA in Trenton, New Jersey.
Dr. Caplan's NPI, 1386622769, was assigned on January 5, 2006. Dr. Caplan holds New Jersey license 25MA06125600.
- NPI
- 1386622769NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799671269
- NPI enumeration date
- January 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (609) 584-1212
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John L. Caplan practices at Hamilton Cardiology Associates, PA in Trenton, New Jersey
Dr. Caplan's primary practice is Hamilton Cardiology Associates, PA, at 2073 Klockner Rd, Trenton, NJ 08690 in Mercer County. The practice phone is (609) 584-1212.
- Hamilton Cardiology Associates, PA2073 Klockner Rd, Trenton, NJ 08690 · Mercer CountyPhone(609) 584-1212
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John L. Caplan is affiliated with 5 sites of care and 2 medical groups
Dr. Caplan's primary practice is Hamilton Cardiology Associates, PA in Trenton, New Jersey. Dr. Caplan is also affiliated with Robert Wood Johnson University Hospital. The medical group on file is Princeton Medicine Specialty Group. Dmand AI also links Dr. Caplan to 1 more hospital, 2 group practices and clinics and 1 medical group, 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 L. Caplan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Caplan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hamilton Cardiology Associates, PA | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John L. Caplan is one of 1,042 cardiologists in New Jersey
Cardiovascular disease is Dr. Caplan's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Caplan is licensed in New Jersey.
Specialties and state licenses
- Cardiovascular disease, New JerseyPrimary
Cardiologists near Dr. Caplan
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. John L. Caplan billed Medicare for 5,783 services in 2024
CMS data shows 5,783 Medicare services from Dr. Caplan across 31 procedure codes in 2024, for 1,474 Medicare patients. Medicare paid $438,191 for them.
Dr. Caplan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4,1502024: 3,41618%
- Office and hospital visits
- 2023: 1,6382024: 1,46710%
- Other services
- 2023: 6092024: 87444%
- Surgery
- 2023: 352024: 2626%
Where Dr. Caplan's Medicare services took place, 2024
- In an office5,11488%
- In a facility66912%
Dr. Caplan compared with the New Jersey median for cardiologists, 2024
- Dr. Caplan
- New Jersey median
- Medicare services
- 5,783vs 2,4182.4 times
- Medicare patients
- 1,474vs 87868% above
- Part D claims
- 4,656vs 2,33999% above
Medians across 1,016 cardiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Caplan'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. John L. Caplan treated 1,474 Medicare patients in 2024, average age 77
CMS counts 1,474 Medicare patients who saw Dr. Caplan in 2024. The largest group is 75 to 84, with 578 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.76, 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. Caplan's median patient age at 74, with 45% women.
Dr. Caplan's Medicare patients by age, 2024
Dr. Caplan's Medicare patients by sex, 2024
- Women75151%
- Men72349%
Chronic conditions among Dr. Caplan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease72%
- Arthritis52%
- Atrial fibrillation51%
- Diabetes49%
- Heart failure38%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Caplan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women45%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John L. Caplan wrote 4,900 Medicare Part D claims in 2024
In 2024, Dr. Caplan wrote 4,900 Medicare Part D claims for 665 patients. 79% of them were for generic drugs. CMS names the drug for 4,656 of them, across 57 drugs with 11 or more claims each, at $1,332,995 in total drug cost. In 2023, CMS named 4,318 claims across 49 drugs.
Dr. Caplan's Part D claims by kind of drug, 2024
- Generic3,849 claims79%
- Brand-name1,051 claims21%
Dr. Caplan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,3182024: 4,6568%
Drugs named by CMS: 57 in 2024, 49 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. John L. Caplan scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Caplan for performance year 2024, reported as part of a group. Dr. Caplan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of pacemaker insertion or repair by Dr. Caplan, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Caplan ranks in Medicare procedure volume
- Pacemaker insertion or repair
- 77th 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. John L. Caplan received $19,394 in industry payments from 2016 to 2025
CMS Open Payments shows 516 general payments to Dr. Caplan from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 53% of the total. Medtronic Vascular, Inc. paid the most, $4,783.
General payments to Dr. Caplan by program year, 2016 to 2025
General payments to Dr. Caplan by kind, 2016 to 2025
- Food and beverage$10,26553%
- Travel and lodging$5,13826%
- Consulting fees$2,78414%
- Honoraria$1,0005%
- Other$2071%
Companies that paid Dr. Caplan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John L. Caplan's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John L. Caplan
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 L. Caplan's NPI number?
Dr. John L. Caplan's NPI number is 1386622769. It was assigned on January 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John L. Caplan?
Dr. John L. Caplan is a cardiologist in Trenton, New Jersey. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. John L. Caplan practice?
Dr. Caplan practices at 2073 Klockner Rd, Trenton, NJ 08690. Dr. Caplan's primary practice is Hamilton Cardiology Associates, PA in Trenton, New Jersey. Dmand AI also links Dr. Caplan to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. John L. Caplan's office phone number?
The practice phone on file for Dr. Caplan is (609) 584-1212.
What is Dr. John L. Caplan's medical license number?
Dr. Caplan holds New Jersey license 25MA06125600.
Which hospitals is Dr. John L. Caplan affiliated with?
Dr. Caplan is affiliated with Robert Wood Johnson University Hospital. Dmand AI links Dr. Caplan to 1 more hospital.
What medical group is Dr. John L. Caplan part of?
Dr. Caplan is linked to Princeton Medicine Specialty Group. Dmand AI links Dr. Caplan to 1 more medical group.
Does Dr. John L. Caplan accept Medicare?
Yes. CMS data shows Dr. Caplan billed Medicare for 5,783 services in 2024, and Dr. Caplan accepts Medicare assignment.
What is Dr. John L. Caplan's MIPS score?
Dr. Caplan's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. John L. Caplan see?
CMS counts 1,474 Medicare patients who saw Dr. Caplan in 2024, with an average age of 77.
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What services does Dr. John L. Caplan bill to Medicare?
In 2024, Dr. Caplan's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and heart test or procedure (93000).
What drugs does Dr. John L. Caplan prescribe most?
In 2024 Medicare Part D data, Dr. Caplan's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Atorvastatin Calcium.
Has Dr. John L. Caplan received payments from drug or device companies?
CMS Open Payments shows $19,394 in general payments to Dr. Caplan from 35 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. John L. Caplan been practicing?
Dr. Caplan graduated from medical school in 1987, 39 years ago.
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