Dr. William Caplan, MD

  • Brighton, MA
  • Cardiologist
NPI1679553408
Medicare services, 2018
9,554
Part D claims, 2019
277
Affiliated sites
1
Medical group
1
State license
1
Practice address
535 Faunce Corner Rd, North Dartmouth, MA 02747-1242
Practice phone
Call (508) 996-3991
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Hawthorn Endoscopy Service

Multi-specialty group site · North Dartmouth, Massachusetts

See all 2 affiliations

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Dr. William Caplan is a cardiologist in Brighton, Massachusetts

Dr. Caplan practices at Hawthorn Endoscopy Service in North Dartmouth, Massachusetts.

Dr. Caplan's NPI, 1679553408, was assigned on January 18, 2006. Dr. Caplan holds Massachusetts license 42506.

NPI and contact details
NPI enumeration date
January 18, 2006
NPI status
Active
Practice phone
(508) 996-3991
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Dr. William Caplan practices in North Dartmouth and Brighton

Dr. Caplan's primary practice is Hawthorn Endoscopy Service, at 535 Faunce Corner Rd, North Dartmouth, MA 02747-1242. The practice phone is (508) 996-3991. The NPI Registry lists Dr. Caplan's practice address as 736 Cambridge St, Brighton, MA 02135.

  • Hawthorn Endoscopy ServicePrimary
    535 Faunce Corner Rd, North Dartmouth, MA 02747-1242Phone(508) 996-3991
  • NPI Registry address
    736 Cambridge St, Brighton, MA 02135 · Suffolk CountyPhone(508) 996-3991

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

Dr. William Caplan is affiliated with 1 site of care and 1 medical group

Dr. Caplan's primary practice is Hawthorn Endoscopy Service in North Dartmouth, Massachusetts. Dmand AI also links Dr. Caplan to 1 medical group, named with a free account.

Hawthorn Endoscopy ServiceMulti-specialty group site · North Dartmouth, MassachusettsPrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Caplan

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. William Caplan's practice

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

EHR by site
SiteEHR vendor and product
Hawthorn Endoscopy ServiceAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William Caplan is one of 840 cardiologists in Massachusetts

Cardiovascular disease is Dr. Caplan's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Caplan is licensed in Massachusetts.

Specialties and state licenses

  • Cardiovascular disease, MassachusettsPrimaryLicense 42506 · taxonomy 207RC0000X

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. William Caplan billed Medicare for 9,554 services in 2018

CMS data shows 9,554 Medicare services from Dr. Caplan across 67 procedure codes in 2018. Medicare paid $249,723 for them. Every service was in an office.

Medicare services, 20189,554
Paid by Medicare$249,723
Procedure codes67

Dr. Caplan's Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Lab and pathology
2017: 8,6012018: 5,06641%
Surgery
2017: 2,6822018: 1,46345%
Office and hospital visits
2017: 2,3412018: 1,17950%
Tests and treatments
2017: 2,1552018: 99354%
Other services
2017: 1,1932018: 33172%
Imaging
2017: 5722018: 28850%
Drugs given in the office
2017: 6312018: 23463%

Dr. Caplan compared with the Massachusetts median for cardiologists, 2018

  • Dr. Caplan
  • Massachusetts median
Medicare services
9,554vs 1,6125.9 times
Part D claims
277vs 84667% below

Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Caplan's most billed Medicare procedure codes, 2018

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. William Caplan's patients have a median age of 72

Across all payers, Dmand AI patient panel data puts Dr. Caplan's median patient age at 72, with 50% women.

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 72

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. William Caplan wrote 277 Medicare Part D claims in 2019

In 2019, Dr. Caplan wrote 277 Medicare Part D claims. They cover 14 drugs, with $7,528 in total drug cost. In 2018, CMS named 8,537 claims across 123 drugs.

Part D claims, 2019277
Drugs named by CMS14
Total drug cost$7,528

Dr. Caplan's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 8,5372019: 27797%

Drugs named by CMS: 14 in 2019, 123 in 2018.

See all prescribing by Dr. Caplan

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Sources for Dr. William Caplan'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
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. William 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. William Caplan's NPI number?

Dr. William Caplan's NPI number is 1679553408. It was assigned on January 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William Caplan?

Dr. William Caplan is a cardiologist in Brighton, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. William Caplan practice?

Dr. Caplan practices at 535 Faunce Corner Rd, North Dartmouth, MA 02747-1242. Dr. Caplan also practices at 736 Cambridge St, Brighton, MA 02135. Dr. Caplan's primary practice is Hawthorn Endoscopy Service in North Dartmouth, Massachusetts. Dmand AI also links Dr. Caplan to 1 medical group.

What is Dr. William Caplan's office phone number?

The practice phone on file for Dr. Caplan is (508) 996-3991.

What is Dr. William Caplan's medical license number?

Dr. Caplan holds Massachusetts license 42506.

Does Dr. William Caplan accept Medicare?

Yes. CMS data shows Dr. Caplan billed Medicare for 9,554 services in 2018.

What services does Dr. William Caplan bill to Medicare?

In 2018, Dr. Caplan's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (85025).

What drugs does Dr. William Caplan prescribe most?

In 2019 Medicare Part D data, Dr. Caplan's most prescribed drugs by claims were Pravastatin Sodium, Metformin HCl and Amlodipine Besylate.

How long has Dr. William Caplan been practicing?

Dr. Caplan's NPI was assigned in 2006.

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