NPPES file of Aug 9, 2026

Rui Han Liu, MD

Otolaryngology Physician · Boston, MA

Rui Han Liu, MD is an otolaryngology physician with a practice address in Boston, Massachusetts, and NPI 1992211999, issued on Dec 28, 2017. Check the license (Massachusetts ETLL-902, 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
1992211999
Name
Rui Han Liu
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
ETLL-902 MA
Self-reported in NPPES; status is on the state search
Practice location
243 Charles St, Boston, MA 02114
Phone
(617) 523-7900
Enumerated
Dec 28, 2017
Record last updated
Jun 7, 2020 (not updated in 6 years: call before relying on the address or phone)
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 243 Charles St

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

  1. Bardia AbbasiNeurology Physician1629429543
  2. Dunia Abdul-Aziz, MDOtolaryngology Physician1487880985
  3. Hasan Abdulbaki, MDStudent in an Organized Health Care Education/Training Program1811790512
  4. Inas Aboobakar, M.D.Ophthalmology Physician1760846265
  5. Jihad Achkar, M.D.Otolaryngology Physician1811203763
  6. Alessandro Adad Jammal, MD, PHDOphthalmology Physician1518725480

Verify Rui Han 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 ETLL-902
    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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78% fewer Medicare Part D claims than the average otolaryngology physician in 2024

121 Medicare Part D claims for 66 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Rui Han Liu121
  2. Specialty average541

Most prescribed

  1. Oxycodone Hcl21 claims
  2. Ofloxacin19 claims
  3. Cephalexin11 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.

Rui Han Liu among 364 otolaryngology physician records in Massachusetts

Rui Han Liu, MD is one of 364 otolaryngology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.

  • NPI issued2017 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • 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 207Y00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Massachusetts

There are 364 otolaryngology physician records in Massachusetts.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Jean Bruch, M.D., D.M.D.Boston, MA 021141699766790
  2. Nicolas Bu-Saba, MDBoston, MA 021141306837406
  3. Daniel Deschler, M.D.Boston, MA 021141952391351
  4. John Dobrowski, M.D.Boston, MA 021141538160452
  5. Ramon Franco, M.D.Boston, MA 021141104817204
  6. Stacey Gray, M.D.Boston, MA 021141407835929
  7. Eric Holbrook, M.D.Boston, MA 021141740271840
  8. Robert Kiskaddon, MDBoston, MA 021141548249014

Common questions

What is Rui Han Liu, MD's NPI number?

Rui Han Liu, MD's National Provider Identifier (NPI) is 1992211999, issued on Dec 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Rui Han Liu, MD located?

The NPPES record lists a practice address at 243 Charles St, Boston, MA, 02114. Phone: (617) 523-7900. Providers update this record themselves, so call before visiting.

How can I verify Rui Han Liu, MD's license?

NPPES lists Massachusetts license number ETLL-902, 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 Rui Han Liu, MD prescribe under Medicare Part D?

In 2024, Rui Han Liu, MD had 121 Medicare Part D claims for 66 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.