Doctor profile · Federal record

Dr. Lynn O'Connor, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Colon & Rectal Surgery Physician · Huntington, NY

  • NPI 1689601767
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
380 Park Ave
Huntington, NY 117432869
(631) 350-6277
fax (631) 350-2966
Additional location
2000 N Village Ave Ste 407
Rockville Centre, NY 115701001
Mailing address
51 Rushmore St
Huntington Station, NY 117464427

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 19, 2024
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
208C00000X — NUCC code
State licenses (2)
New York #240343 · Georgia #056159

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689601767. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,138
Distinct HCPCS
10
Medicare allowed
$200,471
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 322 159 $150
46600 Diagnostic exam of anus using an endoscope 296 177 $148
99213 Established patient office or other outpatient visit, 20-29 minutes 133 91 $106
46221 Removal of external hemorrhoids by rubber banding 122 53 $350
99204 New patient office or other outpatient visit, 45-59 minutes 94 94 $197
45378 Diagnostic exam of large bowel using a flexible endoscope 35 35 $220
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $260
45300 Diagnostic exam of rectum and lower large bowel using an endoscope 26 19 $158
99442 Telephone medical discussion with physician, 11-20 minutes 26 24 $81
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 25 $292

In context: peer comparison

Among 1 peers in this city , average services per provider: 94. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$667
Transactions
15
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Axonics, Inc. 3 $255.12
Dilon Technologies, Inc. 4 $190.10
Medtronic, Inc. 5 $153.37
Ethicon US, LLC 2 $50.20
Takeda Pharmaceuticals U.S.A., Inc. 1 $17.98

By nature of payment

Food and Beverage
$444
Travel and Lodging
$223

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
124
Patients
89
Total drug cost
$14,905
Drug Type Claims Patients Total cost
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 34 33 $5,859
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 28 28 $2,064
Mesalamine Generic 20 0 $4,262
Hydrocortisone Generic 17 14 $304
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 14 14 $2,249
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 11 0 $167

Frequently asked questions

Auto-generated from federal data
What is Dr. Lynn O'Connor's medical specialty?
Dr. Lynn O'Connor practices Colon & Rectal Surgery Physician in Huntington, NY.
Where does Dr. Lynn O'Connor practice?
Dr. Lynn O'Connor practices at 380 Park Ave, Huntington, NY 117432869. Office phone: 6313506277.
What is Dr. Lynn O'Connor's NPI?
Dr. Lynn O'Connor's National Provider Identifier (NPI) is 1689601767, issued by NPPES.
Does Dr. Lynn O'Connor accept Medicare assignment?
Yes. Dr. Lynn O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lynn O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Diagnostic exam of anus using an endoscope (HCPCS 46600); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.