NPPES file of Aug 9, 2026

Lily Shen Liu, M.D.

Internal Medicine Physician · Cambridge, MA

Lily Shen Liu, M.D. is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1245435163, issued on Jun 20, 2007. Check the license (Massachusetts 243786, 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
1245435163
Name
Lily Shen Liu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
243786 MA
Self-reported in NPPES; status is on the state search
Practice location
1611 Cambridge St, Cambridge, MA 02138
Phone
(617) 661-5100
Enumerated
Jun 20, 2007
Record last updated
Sep 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100915000951); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 2007
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 1611 Cambridge St

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

  1. Irina Angel, MDPsychiatry Physician1023058419
  2. Robert Atkind, MDInternal Medicine Physician1831236405
  3. Margaret Barsam, M.D.Pediatrics Physician1598747412
  4. Melissa Bergman, MDPediatrics Physician1467618033
  5. Aaron BirnbaumInternal Medicine Physician1023645249
  6. Alan Brush, M.D.Internal Medicine Physician1043281942

Verify Lily Shen Liu 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 243786
    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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23% more Medicare Part D claims than the average internal medicine physician in 2024

3,910 Medicare Part D claims for 349 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 42 claims were for opioids.

  1. Lily Liu3,910
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium483 claims
  2. Amlodipine Besylate195 claims
  3. Levothyroxine Sodium147 claims
  4. Metoprolol Succinate142 claims
  5. Losartan Potassium120 claims
  6. Metformin Hcl Er110 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 one group practice

  1. Atrius Health IncCambridge, MA

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

Lily Shen Liu among 6,825 internal medicine physician records in Massachusetts

Lily Shen Liu, M.D. is one of 6,825 internal medicine 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2007 · median 2004 among the 4,103 with a school on file
  • Record last updated2020 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

300 internal medicine physician records list a practice address in Cambridge

They are 300 of the 5,145 NPPES records with a practice address in Cambridge, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Susan Abookire, MDCambridge, MA 021381407859762
  2. Matthew Carmody, MDCambridge, MA 021381184624488
  3. Mark Friedman, MDCambridge, MA 021381760482921
  4. Eva Gassiraro, MDCambridge, MA 021381598762833
  5. Beth Goldman, MDCambridge, MA 021381457358798
  6. Charles Hatem, MDCambridge, MA 021381528065877
  7. David Hudacek, MDCambridge, MA 021381992707269
  8. Janine McCauley, MDCambridge, MA 021381487656617

Common questions

What is Lily Shen Liu, M.D.'s NPI number?

Lily Shen Liu, M.D.'s National Provider Identifier (NPI) is 1245435163, issued on Jun 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Lily Shen Liu, M.D. located?

The NPPES record lists a practice address at 1611 Cambridge St, Cambridge, MA, 02138. Phone: (617) 661-5100. Providers update this record themselves, so call before visiting.

How can I verify Lily Shen Liu, M.D.'s license?

NPPES lists Massachusetts license number 243786, 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 Lily Shen Liu, M.D. prescribe under Medicare Part D?

In 2024, Lily Shen Liu, M.D. had 3,910 Medicare Part D claims for 349 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.