Doctor profile · Federal record

Dr. Corrine Zarwan, MD

Medical Oncology Physician (CMS: Medical Oncology) · Burlington, MA

  • NPI 1790724409
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
41 Mall RD, Lahey Clinic
Burlington, MA 018050001
(781) 744-8400
fax (781) 744-5245

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 23, 2012
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Massachusetts #214165
Medicaid
MA #0188395

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790724409. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
546
Distinct HCPCS
9
Medicare allowed
$69,186
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 197 56 $154
99214 Established patient office or other outpatient visit, 30-39 minutes 171 141 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 54 48 $71
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 28 16 $129
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $190
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 25 17 $86
99239 Hospital discharge day management, more than 30 minutes 18 18 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $188
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $141

In context: peer comparison

Among 3 peers in this city , average services per provider: 73. This provider delivers 7.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
832
Patients
242
Total drug cost
$625,516
Drug Type Claims Patients Total cost
Anastrozole Generic 334 118 $12,382
Tamoxifen Citrate Generic 92 32 $4,597
Lorazepam Generic 82 17 $693
Prochlorperazine Maleate Generic 53 30 $855
Letrozole Generic 47 17 $1,941
Alendronate Sodium Generic 41 16 $703
Eliquis (Apixaban) Brand 24 0 $18,947
Metoprolol Succinate Generic 23 0 $387
Oxycodone Hcl Generic 22 12 $303
Citalopram Hbr (Citalopram Hydrobromide) Brand 21 0 $183

Frequently asked questions

Auto-generated from federal data
What is Dr. Corrine Zarwan's medical specialty?
Dr. Corrine Zarwan practices Medical Oncology Physician in Burlington, MA.
Where does Dr. Corrine Zarwan practice?
Dr. Corrine Zarwan practices at 41 Mall RD, Burlington, MA 018050001. Office phone: 7817448400.
What is Dr. Corrine Zarwan's NPI?
Dr. Corrine Zarwan's National Provider Identifier (NPI) is 1790724409, issued by NPPES.
Does Dr. Corrine Zarwan accept Medicare assignment?
Yes. Dr. Corrine Zarwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Corrine Zarwan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.