Doctor profile · Federal record

Dr. Nicole Hanley-Williams, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Burlington, MA

  • NPI 1851567424
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
41 Mall RD, Lahey Hospital and Medical Center
Burlington, MA 018050001
(781) 744-8000

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
November 8, 2016
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Massachusetts #268125 · Connecticut #49845

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851567424. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
753
Distinct HCPCS
10
Medicare allowed
$78,709
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 158 126 $106
99213 Established patient office or other outpatient visit, 20-29 minutes 74 69 $71
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 65 65 $110
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 53 53 $6
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 50 50 $265
91010 Study of esophagus to assess movement 49 48 $69
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms 46 45 $10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 44 $141
91037 Monitoring and recording of esophageal function through nasal tube with electrode 44 44 $53
45380 Biopsy of large bowel using a flexible endoscope 33 33 $102

In context: peer comparison

Among 11 peers in Burlington Gastroenterology Physician, average services per provider: 43. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
795
Patients
180
Total drug cost
$178,145
Drug Type Claims Patients Total cost
Omeprazole Generic 212 59 $6,623
Linzess (Linaclotide) Brand 143 27 $110,796
Famotidine Generic 124 40 $7,397
Pantoprazole Sodium Generic 52 18 $1,459
Dicyclomine Hcl Generic 41 13 $1,022
Ondansetron Odt (Ondansetron) Brand 41 0 $785
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 32 23 $637
Trulance (Plecanatide) Brand 29 0 $16,726
Lubiprostone Generic 24 0 $9,523
Sucralfate Generic 20 0 $5,483

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicole Hanley-Williams's medical specialty?
Dr. Nicole Hanley-Williams practices Gastroenterology Physician in Burlington, MA.
Where does Dr. Nicole Hanley-Williams practice?
Dr. Nicole Hanley-Williams practices at 41 Mall RD, Burlington, MA 018050001. Office phone: 7817448000.
What is Dr. Nicole Hanley-Williams's NPI?
Dr. Nicole Hanley-Williams's National Provider Identifier (NPI) is 1851567424, issued by NPPES.
Does Dr. Nicole Hanley-Williams accept Medicare assignment?
Yes. Dr. Nicole Hanley-Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicole Hanley-Williams 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); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.