NPPES file of Aug 9, 2026

Arielle Caplin, MD

Obstetrics & Gynecology Physician · Cambridge, MA

Arielle Caplin, MD is an obstetrics & gynecology physician with a practice address in Cambridge, Massachusetts, and NPI 1013578905, issued on Jun 22, 2019. Check the license (Massachusetts 1014304, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013578905
Name
Arielle Caplin
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
1014304 MA
MT217587 PA
Self-reported in NPPES; status is on the state search
Practice location
1493 Cambridge St, Cambridge, MA 02139
Phone
(617) 665-1000
Enumerated
Jun 22, 2019
Record last updated
Sep 20, 2023
Medicare enrollment
Enrolled (PECOS I20231019000035); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1493 Cambridge St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Omar Abbas, MDStudent in an Organized Health Care Education/Training Program1225728025
  2. Nawyaab Abbasi, DOStudent in an Organized Health Care Education/Training Program1215875364
  3. Flannery AbbeySocial Worker1508604273
  4. Rana AbdallahSocial Worker1689220204
  5. Khaleel Abdul-Jabbaar, PT, DPTOrthopedic Physical Therapist1780295717
  6. Adri Abou-Bakr, MDStudent in an Organized Health Care Education/Training Program1770421844

Verify Arielle Caplin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1014304
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

17 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Arielle Caplin17
  2. Specialty average165

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.8
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cambridge Public Health CommissionCambridge, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Arielle Caplin among 1,127 obstetrics & gynecology physician records in Massachusetts

Arielle Caplin, MD is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.

  • NPI issued2019 · 90% of these records are older, 8% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2019 · median 2004 among the 715 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Massachusetts

There are 1,127 obstetrics & gynecology physician records in Massachusetts.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Robert Berry, M.D.Cambridge, MA 021391548241672
  2. Anita Chanana, MDCambridge, MA 021391932669769
  3. Ana Domingues, M.D.Cambridge, MA 021391356490908
  4. Melissa Ethier, M.D.Cambridge, MA 021391255396727
  5. Kathleen Forest Harney, M.D.Cambridge, MA 021391003926411
  6. Latoya Jackson, M.D.Cambridge, MA 021391023301066
  7. Annie Liau, MDCambridge, MA 021391366423717
  8. Jennifer Retsinas, MDCambridge, MA 021391639282171

Common questions

What is Arielle Caplin, MD's NPI number?

Arielle Caplin, MD's National Provider Identifier (NPI) is 1013578905, issued on Jun 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Arielle Caplin, MD located?

The NPPES record lists a practice address at 1493 Cambridge St, Cambridge, MA, 02139. Phone: (617) 665-1000. Providers update this record themselves, so call before visiting.

How can I verify Arielle Caplin, MD's license?

NPPES lists Massachusetts license number 1014304, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Arielle Caplin, MD prescribe under Medicare Part D?

In 2024, Arielle Caplin, MD had 17 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Arielle Caplin, MD's MIPS final score?

The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.