NPPES file of Aug 9, 2026

Katherine P. Liao, MD

Rheumatology Physician · Boston, MA

Katherine P. Liao, MD is a rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1013962703, issued on May 23, 2006. Check the license (Massachusetts 230002, 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
1013962703
Name
Katherine P. Liao
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
230002 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-5325
Enumerated
May 23, 2006
Record last updated
May 25, 2023
Fax
(617) 732-5505
Medicare enrollment
Enrolled (PECOS I20100722000854); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 2004
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 Katherine P. Liao 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 230002
    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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89% fewer Medicare Part D claims than the average rheumatology physician in 2024

221 Medicare Part D claims for 31 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Katherine Liao221
  2. Specialty average1,978

Most prescribed

  1. Hydroxychloroquine Sulfate41 claims
  2. Prednisone27 claims
  3. Methotrexate17 claims
  4. Enbrel Sureclick15 claims
  5. Otrexup14 claims
  6. Enbrel11 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.

Industry payments in 2024: $697.25

6 payments; by number, the most common kind was travel and lodging; the largest payer was Merck Sharp & Dohme LLC. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Liao$697.25
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Brigham And Womens Physicians Organization IncBoston, MA

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

Katherine P. Liao among 343 rheumatology physician records in Massachusetts

Katherine P. Liao, MD is one of 343 rheumatology physician records with a practice address in Massachusetts. 73% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 45% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2004 · median 2004 among the 212 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Massachusetts

There are 343 rheumatology physician records in Massachusetts.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Paul Anderson, M.D., PH.D.Boston, MA 021151235127432
  2. Ronald Anderson, MDBoston, MA 021151154388478
  3. Michael Brenner, MDBoston, MA 021151699732909
  4. Jack Bukowski, MD PHDBoston, MA 021151639121544
  5. Jonathan Coblyn, MDBoston, MA 021151447200969
  6. Karen Costenbader, MD MPHBoston, MA 021151447216825
  7. I Cheng Ho, MDBoston, MA 021151346292133
  8. Elizabeth Karlson, MDBoston, MA 021151548228075

Common questions

What is Katherine P. Liao, MD's NPI number?

Katherine P. Liao, MD's National Provider Identifier (NPI) is 1013962703, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine P. Liao, MD located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5325. Providers update this record themselves, so call before visiting.

How can I verify Katherine P. Liao, MD's license?

NPPES lists Massachusetts license number 230002, 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 Katherine P. Liao, MD prescribe under Medicare Part D?

In 2024, Katherine P. Liao, MD had 221 Medicare Part D claims for 31 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.