Doctor profile · Federal record

Dr. Prudence Lam, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Cambridge, MA

  • NPI 1942202320
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Mount Auburn St, Wyman 3
Cambridge, MA 021385502
(617) 497-9646
fax (617) 499-5464

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
November 7, 2013
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Massachusetts #217283
Medicaid
MA #2029987

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942202320. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
431
Distinct HCPCS
9
Medicare allowed
$46,837
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 93 70 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 92 81 $98
36415 Insertion of needle into vein for collection of blood sample 79 62 $7
99215 Established patient office or other outpatient visit, 40-54 minutes 68 52 $194
99212 Established patient office or other outpatient visit, 10-19 minutes 31 29 $61
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $182
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 11 $126
99443 Telephone medical discussion with physician, 21-30 minutes 16 16 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $70

In context: peer comparison

Among 1 peers in Cambridge Hematology & Oncology Physician, average services per provider: 47. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Myriad Genetic Laboratories, INC. 1 $26.65

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
223
Patients
27
Total drug cost
$656,248
Drug Type Claims Patients Total cost
Anastrozole Generic 61 16 $1,632
Exemestane Generic 27 11 $10,191
Hydroxyurea Generic 18 0 $581
Eliquis (Apixaban) Brand 16 0 $18,600
Imbruvica (Ibrutinib) Brand 14 0 $216,431
Imatinib Mesylate Generic 13 0 $23,437
Jakafi (Ruxolitinib Phosphate) Brand 13 0 $217,891
Prochlorperazine Maleate Generic 13 0 $264
Xarelto (Rivaroxaban) Brand 13 0 $9,210
Nubeqa (Darolutamide) Brand 12 0 $152,624

Frequently asked questions

Auto-generated from federal data
What is Dr. Prudence Lam's medical specialty?
Dr. Prudence Lam practices Hematology & Oncology Physician in Cambridge, MA.
Where does Dr. Prudence Lam practice?
Dr. Prudence Lam practices at 330 Mount Auburn St, Cambridge, MA 021385502. Office phone: 6174979646.
What is Dr. Prudence Lam's NPI?
Dr. Prudence Lam's National Provider Identifier (NPI) is 1942202320, issued by NPPES.
Does Dr. Prudence Lam accept Medicare assignment?
Yes. Dr. Prudence Lam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Prudence Lam commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.