Doctor profile · Federal record

Dr. Kelsey Lau-Min, MD

Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Medical Oncology Physician · Boston, MA

  • NPI 1942681366
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 724-6620
Additional location
3400 Civic Center Blvd
Philadelphia, PA 191045127
(267) 847-9626
Additional location
75 Francis St
Boston, MA 021156110
(617) 732-5500
Mailing address
6 Frances RD
Lexington, MA 024217512

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
January 27, 2026
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (3)
Massachusetts #273311 · Massachusetts #L-263124 · Pennsylvania #MD473701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942681366. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
374
Distinct HCPCS
6
Medicare allowed
$49,365
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 140 67 $153
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 101 37 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 61 35 $104
99443 Telephone medical discussion with physician, 21-30 minutes 28 22 $103
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $184
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 13 $84

In context: peer comparison

Among 103 peers in this city , average services per provider: 67. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$65
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $64.58

By nature of payment

Food and Beverage
$65

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kelsey Lau-Min's medical specialty?
Dr. Kelsey Lau-Min practices Medical Oncology Physician in Boston, MA.
Where does Dr. Kelsey Lau-Min practice?
Dr. Kelsey Lau-Min practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177246620.
What is Dr. Kelsey Lau-Min's NPI?
Dr. Kelsey Lau-Min's National Provider Identifier (NPI) is 1942681366, issued by NPPES.
Does Dr. Kelsey Lau-Min accept Medicare assignment?
Yes. Dr. Kelsey Lau-Min accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kelsey Lau-Min commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.