NPPES file of Aug 9, 2026

Sophia Koo, M.D.

Infectious Disease Physician · Boston, MA

Sophia Koo, M.D. is an infectious disease physician with a practice address in Boston, Massachusetts, and NPI 1174581771, issued on May 3, 2006. Check the license (Massachusetts 227472, 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
1174581771
Name
Sophia Koo
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
227472 MA
Self-reported in NPPES; status is on the state search
Practice location
Brigham & Women's Hospital, Boston, MA 02115
Phone
(617) 732-6660
Enumerated
May 3, 2006
Record last updated
Jul 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100909000849); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 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 Brigham & Women's Hospital

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

  1. David Bargiela, MBBS PHDStudent in an Organized Health Care Education/Training Program1184252157
  2. Louis Brenner, M.D.Nephrology Physician1306995956
  3. Mark Brezinski, M.D.Cardiovascular Disease Physician1013151422
  4. Ellen Bubrick, M.D.Epilepsy Physician1619986759
  5. Laura Frain, M.D.Internal Medicine Physician1558393082
  6. Gregory Hurlock, M.D.Diagnostic Radiology Physician1578598546

Verify Sophia Koo 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 227472
    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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92% fewer Medicare Part D claims than the average infectious disease physician in 2024

58 Medicare Part D claims for 18 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Sophia Koo58
  2. Specialty average689

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: $10,175.00

3 payments; by number, the most common kind was consulting fee; the largest payer was Vertex Pharmaceuticals Incorporated. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sophia Koo$10,175
  2. Specialty average$4,362

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

Bills Medicare through 2 group practices

  1. Brigham And Womens Physicians Organization IncBoston, MA
  2. 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).

Infectious Disease Physician providers in Massachusetts

There are 487 infectious disease physician records in Massachusetts.

Other infectious disease physician records in Massachusetts

  1. Salah Abdelgadir, MDBoston, MA1891280954
  2. Carlos Acuna-VillaordunaBoston, MA1598922742
  3. Marylyn Addo, MDBoston, MA1700907151
  4. Jonathan Adler, MDWinchester, MA1255372884
  5. Irma Alarcon Najera, M.D.Brockton, MA1548416449
  6. John Albin, MD, PHDBoston, MA1528472644
  7. Mary Albrecht, M.D.Boston, MA1386737856
  8. Geneve Allison, M.D.Boston, MA1457361933
  9. Carolyn Alonso, M.D.Boston, MA1841336039
  10. Pilar Alonso, M.D.Wareham, MA1841295748

Common questions

What is Sophia Koo, M.D.'s NPI number?

Sophia Koo, M.D.'s National Provider Identifier (NPI) is 1174581771, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sophia Koo, M.D. located?

The NPPES record lists a practice address at Brigham & Women's Hospital, Boston, MA, 02115. Phone: (617) 732-6660. Providers update this record themselves, so call before visiting.

How can I verify Sophia Koo, M.D.'s license?

NPPES lists Massachusetts license number 227472, 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 Sophia Koo, M.D. prescribe under Medicare Part D?

In 2024, Sophia Koo, M.D. had 58 Medicare Part D claims for 18 beneficiaries; the average among infectious disease physician prescribers was 689. 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.