NPPES file of Aug 9, 2026

Caroline Sage Bader, M.D.

Geriatric Psychiatry Physician · Boston, MA

Caroline Sage Bader, M.D. is a geriatric psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1538587589, issued on Apr 6, 2014. Check the license (Massachusetts 273398, 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
1538587589
Name
Caroline Sage Bader
Credential
M.D.
Primary taxonomy
Geriatric Psychiatry Physician 2084P0805X
License number
273398 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 667-1029
Enumerated
Apr 6, 2014
Record last updated
Feb 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190619002008); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 2014
Telehealth
Offers telehealth (CMS)
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 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 Caroline Sage Bader 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 273398
    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

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25% more Medicare Part D claims than the average geriatric psychiatry physician in 2024

1,855 Medicare Part D claims for 123 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Caroline Bader1,855
  2. Specialty average1,485

Most prescribed

  1. Quetiapine Fumarate257 claims
  2. Gabapentin166 claims
  3. Mirtazapine120 claims
  4. Duloxetine Hcl112 claims
  5. Sertraline Hcl96 claims
  6. Trazodone Hcl95 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.

Bills Medicare through 2 group practices

  1. Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
  2. The Mclean Hospital CorporationBelmont, MA

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

Geriatric Psychiatry Physician providers in Massachusetts

There are 45 geriatric psychiatry physician records in Massachusetts.

Other geriatric psychiatry physician records in Massachusetts

  1. David AdamowiczBoston, MA1154987857
  2. Athari Alyazidi, MDHolyoke, MA1477832111
  3. Max Baranovsky, MDBrighton, MA1568455939
  4. Deborah Blacker, MD SCDBoston, MA1205800521
  5. Alfredo Chan, MDHanover, MA1891746814
  6. Maura Copeland, MDBoston, MA1184609307
  7. Ping Cui, M.D.Haverhill, MA1558363564
  8. Tapsi Dayanand, M.B.B.SBoston, MA1578854030
  9. William Falk, MDBoston, MA1003807918
  10. Brent Forester, M.D.Belmont, MA1649239716

Common questions

What is Caroline Sage Bader, M.D.'s NPI number?

Caroline Sage Bader, M.D.'s National Provider Identifier (NPI) is 1538587589, issued on Apr 6, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Caroline Sage Bader, M.D. located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 667-1029. Providers update this record themselves, so call before visiting.

How can I verify Caroline Sage Bader, M.D.'s license?

NPPES lists Massachusetts license number 273398, 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 Caroline Sage Bader, M.D. prescribe under Medicare Part D?

In 2024, Caroline Sage Bader, M.D. had 1,855 Medicare Part D claims for 123 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,485. 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.