NPPES file of Aug 9, 2026

Aileen Anne Ren, MD, PHD

Cardiovascular Disease Physician · Boston, MA

Aileen Anne Ren, MD, PHD is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1285338814, issued on Mar 28, 2023. Check the license (Massachusetts 3018054, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285338814
Name
Aileen Anne Ren
Credential
MD, PHD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
3018054 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-5500
Enumerated
Mar 28, 2023
Record last updated
Jun 15, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 75 Francis St

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

  1. Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
  2. Emily Aaronson, M.D.Emergency Medicine Physician1962791558
  3. Sarah Abbett, M.D.Anesthesiology Physician1902097736
  4. Christine Abbott, NPAdult Health Nurse Practitioner1851471940
  5. Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
  6. Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867

Verify Aileen Anne Ren 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 3018054
    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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86% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

431 Medicare Part D claims for 76 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Aileen Ren431
  2. Specialty average3,078

Most prescribed

  1. Albuterol Sulfate Hfa22 claims
  2. Eliquis21 claims
  3. Gabapentin20 claims
  4. Atorvastatin Calcium19 claims
  5. Amlodipine Besylate15 claims
  6. Jardiance12 claims

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.

Aileen Anne Ren among 1,080 cardiovascular disease physician records in Massachusetts

Aileen Anne Ren, MD, PHD is one of 1,080 cardiovascular disease physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

476 cardiovascular disease physician records list a practice address in Boston

They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. John Cadigan, MDBoston, MA 021151497752620
  2. Elazer Edelman, M.D., PH.D.Boston, MA 021151659369460
  3. Brendan Everett, MD, MPHBoston, MA 021151679556971
  4. Joanne Foody, MDBoston, MA 021151740278951
  5. Samuel GoldhaberBoston, MA 021151992795520
  6. John Keaney, M.D.Boston, MA 021151588640437
  7. James Kirshenbaum, MDBoston, MA 021151457341661
  8. Judy Mangion, M.D.Boston, MA 021151245238260

Common questions

What is Aileen Anne Ren, MD, PHD's NPI number?

Aileen Anne Ren, MD, PHD's National Provider Identifier (NPI) is 1285338814, issued on Mar 28, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Aileen Anne Ren, MD, PHD located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.

How can I verify Aileen Anne Ren, MD, PHD's license?

NPPES lists Massachusetts license number 3018054, 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 Aileen Anne Ren, MD, PHD prescribe under Medicare Part D?

In 2024, Aileen Anne Ren, MD, PHD had 431 Medicare Part D claims for 76 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

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.