Eilann Clare Santo, MD, MPH
Hospice and Palliative Medicine (Internal Medicine) Physician · Boston, MA
Eilann Clare Santo, MD, MPH is a hospice and palliative medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1427411578, issued on Apr 5, 2016. Check the license (Massachusetts 1015188, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Eilann Clare Santo
- Credential
- MD, MPH
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License numbers
- 1015188 MA
A153836 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Brookline Ave, Boston, MA 02215
- Phone
- (617) 632-6464
- Enumerated
- Apr 5, 2016
- Record last updated
- Sep 19, 2023
- Fax
- (617) 632-6136
- Medicare enrollment
- Enrolled (PECOS I20230802000894); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 93 in Massachusetts → Look up another NPI →
Also registered at 450 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eilann Clare Santo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1015188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
103 Medicare Part D claims for 45 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 63 claims were for opioids.
Most prescribed
- Oxycodone Hcl24 claims
- Buprenorphine12 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.
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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dana-Farber Cancer Institute, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eilann Clare Santo among 93 hospice and palliative medicine (internal medicine) physician records in Massachusetts
Eilann Clare Santo, MD, MPH is one of 93 hospice and palliative medicine (internal medicine) physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2016 · median 2010 among the 67 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in Massachusetts
There are 93 hospice and palliative medicine (internal medicine) physician records in Massachusetts.
All 93 in Massachusetts → Every provider in Boston → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Alexis Drutchas, M.D.Boston, MA 022151518228113
- Robert Friedlander, MDBoston, MA 022151376596635
- Erik Fromme, MDBoston, MA 022151942215454
- Samantha Gelfand, M.D.Boston, MA 022151205271723
- John Halporn, MDBoston, MA 022151427001197
- Joshua Lakin, M.D.Boston, MA 022151194051771
- Kate Lally, MDBoston, MA 022151497866339
- Kathleen Lee, M.D.Boston, MA 022151922328764
Common questions
What is Eilann Clare Santo, MD, MPH's NPI number?
Eilann Clare Santo, MD, MPH's National Provider Identifier (NPI) is 1427411578, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Eilann Clare Santo, MD, MPH located?
The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-6464. Providers update this record themselves, so call before visiting.
How can I verify Eilann Clare Santo, MD, MPH's license?
NPPES lists Massachusetts license number 1015188, 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 Eilann Clare Santo, MD, MPH prescribe under Medicare Part D?
In 2024, Eilann Clare Santo, MD, MPH had 103 Medicare Part D claims for 45 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Eilann Clare Santo, MD, MPH'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.