NPPES file of Aug 9, 2026

Kelsey See Wai Lau-Min, MD

Medical Oncology Physician · Boston, MA

Kelsey See Wai Lau-Min, MD is a medical oncology physician with a practice address in Boston, Massachusetts, and NPI 1942681366, issued on Jun 11, 2015. Check the license (Massachusetts 273311, 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
1942681366
Name
Kelsey See Wai Lau-Min
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
273311 MA
L-263124 MA
MD473701 PA
Self-reported in NPPES; status is on the state search
Practice location
Massachusetts General Hospital, Boston, MA 02114
Phone
(617) 724-6620
Enumerated
Jun 11, 2015
Record last updated
Jan 27, 2026
Medicare enrollment
Enrolled (PECOS I20220811001807); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2015
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 Massachusetts General Hospital

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

  1. Gregory Acampora, M.D.Addiction Psychiatry Physician1255431177
  2. Allison Ackerman, MDInternal Medicine Physician1285894790
  3. Marylyn Addo, MDInfectious Disease Physician1700907151
  4. Srikanth Adusumalli, MBBS, FRACPStudent in an Organized Health Care Education/Training Program1295467983
  5. Jonathan Afilalo, MDCMInternal Medicine Physician1619289584
  6. Kiran Agarwal-Harding, MDOrthopaedic Surgery Physician1003229097

Verify Kelsey See Wai Lau-Min 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 273311
    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

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92% fewer Medicare Part D claims than the average medical oncology physician in 2024

55 Medicare Part D claims for 25 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Kelsey Lau-Min55
  2. Specialty average703

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: $64.58

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kelsey Lau-Min$65
  2. Specialty average$11,773

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. Massachusetts General Physicians Organization IncBoston, MA
  2. The General Hospital CorporationBoston, MA

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

Kelsey See Wai Lau-Min among 421 medical oncology physician records in Massachusetts

Kelsey See Wai Lau-Min, MD is one of 421 medical oncology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.

  • NPI issued2015 · 76% of these records are older, 20% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2015 · median 2007 among the 291 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Massachusetts

There are 421 medical oncology physician records in Massachusetts.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Eyal Attar, MDBoston, MA 021141407847965
  2. Lawrence Blaszkowsky, MDBoston, MA 021141225028137
  3. Leif Ellisen, MD PHDBoston, MA 021141225028533
  4. Rajesh Gandhi, MDBoston, MA 021141992795512
  5. Ephraim Hochberg, MDBoston, MA 021141326038407
  6. Richard Lee, MD PHDBoston, MA 021141871583096
  7. Geoffrey Liu, MDBoston, MA 021141215928452
  8. Marc Michaelson, MD PHDBoston, MA 021141275523490

Common questions

What is Kelsey See Wai Lau-Min, MD's NPI number?

Kelsey See Wai Lau-Min, MD's National Provider Identifier (NPI) is 1942681366, issued on Jun 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kelsey See Wai Lau-Min, MD located?

The NPPES record lists a practice address at Massachusetts General Hospital, Boston, MA, 02114. Phone: (617) 724-6620. Providers update this record themselves, so call before visiting.

How can I verify Kelsey See Wai Lau-Min, MD's license?

NPPES lists Massachusetts license number 273311, 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 Kelsey See Wai Lau-Min, MD prescribe under Medicare Part D?

In 2024, Kelsey See Wai Lau-Min, MD had 55 Medicare Part D claims for 25 beneficiaries; the average among medical oncology physician prescribers was 703. 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.