Doctor profile · Federal record

Dr. Karen Quillen, M.D.

Blood Banking & Transfusion Medicine Physician (CMS: Hematology/Oncology) · Hematology (Internal Medicine) Physician · Boston, MA

  • NPI 1750354130
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 Brookline Ave
Boston, MA 022153904
(671) 421-5950
fax (617) 421-8724

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
January 13, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207ZB0001X — NUCC code
State license (1)
Massachusetts #154579
Medicaid (2)
NH #30200181 · MA #3168263

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750354130. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,424
Distinct HCPCS
10
Medicare allowed
$70,273
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 227 45 $126
82784 Gammaglobulin (immune system protein) measurement 204 50 $9
36415 Insertion of needle into vein for collection of blood sample 191 120 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 146 104 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 94 89 $141
80053 Blood test, comprehensive group of blood chemicals 76 44 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 67 41 $103
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 62 34 $6
85007 Microscopic examination for white blood cells with manual cell count 54 30 $4
83615 Lactate dehydrogenase (enzyme) level 50 42 $6

In context: peer comparison

Among 3 peers in Boston Blood Banking & Transfusion Medicine Physician, average services per provider: 65. This provider delivers 22× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
216
Patients
41
Total drug cost
$1,315,168
Drug Type Claims Patients Total cost
Hydroxyurea Generic 79 27 $2,845
Acyclovir Generic 29 14 $603
Imatinib Mesylate Generic 21 0 $54,952
Revlimid (Lenalidomide) Brand 19 0 $334,798
Jakafi (Ruxolitinib Phosphate) Brand 17 0 $275,935
Pomalyst (Pomalidomide) Brand 15 0 $282,170
Tasigna (Nilotinib Hcl) Brand 13 0 $257,656
Prednisone Generic 12 0 $70
Promacta (Eltrombopag Olamine) Brand 11 0 $106,139

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Quillen's medical specialty?
Dr. Karen Quillen practices Blood Banking & Transfusion Medicine Physician in Boston, MA.
Where does Dr. Karen Quillen practice?
Dr. Karen Quillen practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6714215950.
What is Dr. Karen Quillen's NPI?
Dr. Karen Quillen's National Provider Identifier (NPI) is 1750354130, issued by NPPES.
Does Dr. Karen Quillen accept Medicare assignment?
Yes. Dr. Karen Quillen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Quillen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Gammaglobulin (immune system protein) measurement (HCPCS 82784); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.