Doctor profile · Federal record

Dr. Ashling O'Connor, MD

Surgery Physician (CMS: Surgical Oncology) · Surgical Oncology Physician · Burlington, MA

  • NPI 1881851798
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Lahey Hospital and Medical Center, 41 Mall Road
Burlington, MA 018050001
(781) 744-8580
fax (781) 744-5253

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
September 13, 2018
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Massachusetts #247048
Medicaid
MA #110089130A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881851798. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
691
Distinct HCPCS
10
Medicare allowed
$127,734
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 268 252 $100
99214 Established patient office or other outpatient visit, 30-39 minutes 80 76 $100
99213 Established patient office or other outpatient visit, 20-29 minutes 77 70 $68
19301 Partial removal of breast 51 49 $681
99213 Established patient office or other outpatient visit, 20-29 minutes 39 35 $68
38525 Biopsy or removal of deep lymph nodes of underarm 35 35 $231
38900 Imaging of lymph nodes during surgery 34 34 $140
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $137
99215 Established patient office or other outpatient visit, 40-54 minutes 23 23 $147
19301 Partial removal of breast 20 17 $679

In context: peer comparison

Among 12 peers in this city , average services per provider: 35. This provider delivers 20× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
54
Patients
39
Total drug cost
$341
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 28 26 $93
Cephalexin Generic 13 0 $93
Lidocaine-Prilocaine (Lidocaine/Prilocaine) Brand 13 13 $155

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashling O'Connor's medical specialty?
Dr. Ashling O'Connor practices Surgery Physician in Burlington, MA.
Where does Dr. Ashling O'Connor practice?
Dr. Ashling O'Connor practices at Lahey Hospital and Medical Center, Burlington, MA 018050001. Office phone: 7817448580.
What is Dr. Ashling O'Connor's NPI?
Dr. Ashling O'Connor's National Provider Identifier (NPI) is 1881851798, issued by NPPES.
Does Dr. Ashling O'Connor accept Medicare assignment?
Yes. Dr. Ashling O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashling O'Connor 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 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.