NPPES file of Aug 9, 2026

Ivan E. Liang, M.D.

Emergency Medicine Physician · Brighton, MA

Ivan E. Liang, M.D. is an emergency medicine physician with a practice address in Brighton, Massachusetts, and NPI 1407814908, issued on May 3, 2006. Check the license (Massachusetts 217627, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407814908
Name
Ivan E. Liang
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
217627 MA
Self-reported in NPPES; status is on the state search
Practice location
736 Cambridge Street, Brighton, MA 02135
Phone
(617) 789-2666
Enumerated
May 3, 2006
Record last updated
Nov 6, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090908000453); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2000
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 736 Cambridge Street

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

  1. Lara Aboud SyrianiStudent in an Organized Health Care Education/Training Program1740979400
  2. Maha AhmedInternal Medicine Physician1477242121
  3. Adem Binnetoglu, M.D.Student in an Organized Health Care Education/Training Program1255826228
  4. Lawrence Chen, MDAnesthesiology Physician1295316305
  5. Ayodeji Dina, M.DCardiovascular Disease Physician1699453498
  6. Claudia Garcia, MDInternal Medicine Physician1316137409

Verify Ivan E. Liang 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 217627
    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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8% fewer Medicare Part D claims than the average emergency medicine physician in 2024

209 Medicare Part D claims for 155 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 51 claims were for opioids.

  1. Ivan Liang209
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen34 claims
  2. Doxycycline Hyclate16 claims
  3. Prednisone15 claims
  4. Amoxicillin-Clavulanate Potass13 claims
  5. Cephalexin12 claims
  6. Ondansetron Odt11 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): 100 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.

  1. Qualityout of 100 · 30% of the final score83.9
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Chico Emergency Physicians Medical Group IncChico, CA

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

Ivan E. Liang among 1,829 emergency medicine physician records in Massachusetts

Ivan E. Liang, M.D. is one of 1,829 emergency 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2000 · median 2011 among the 1,200 with a school on file
  • Record last updated2014 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Massachusetts

There are 1,829 emergency medicine physician records in Massachusetts.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Zaid Altawil, M.D.Boston, MA 021351285096073
  2. Christopher Avery, D.O.Brighton, MA 021351730161761
  3. Garett Burke, MDBrighton, MA 021351508824004
  4. Curtis Chui, M.D.Brighton, MA 021351295929008
  5. Natasha Collins, MDBrighton, MA 021351437671757
  6. Erik Deede, MDBrighton, MA 021351821036112
  7. Swati Dhanireddy, M.D.Brighton, MA 021351740620426
  8. Nancy Louca, M.D.Brighton, MA 021351861657272

Common questions

What is Ivan E. Liang, M.D.'s NPI number?

Ivan E. Liang, M.D.'s National Provider Identifier (NPI) is 1407814908, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ivan E. Liang, M.D. located?

The NPPES record lists a practice address at 736 Cambridge Street, Brighton, MA, 02135. Phone: (617) 789-2666. Providers update this record themselves, so call before visiting.

How can I verify Ivan E. Liang, M.D.'s license?

NPPES lists Massachusetts license number 217627, 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 Ivan E. Liang, M.D. prescribe under Medicare Part D?

In 2024, Ivan E. Liang, M.D. had 209 Medicare Part D claims for 155 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Ivan E. Liang, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.