Dr. Lynn M. O'Connor, MD

  • Huntington Station, NY
  • Colorectal surgeon
NPI1689601767PAC ID4284678194
Medicare services, 2024
1,140
Medicare patients, 2024
245
Part D claims, 2024
166
Publications
2
Hospital affiliations
2
Practice address
51 Rushmore St, Huntington Station, NY 11746
Practice phone
Call (631) 350-6277
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Lynn O'Connor Physician

Huntington Station, New York

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Dr. Lynn M. O'Connor is a colorectal surgeon in Huntington Station, New York

Dr. O'Connor practices at Lynn O'Connor Physician in Huntington Station, New York.

Dr. O'Connor's NPI, 1689601767, was assigned on June 26, 2006. Dr. O'Connor graduated from Lewis Katz School of Medicine in 1997. Dr. O'Connor holds New York license 240343.

NPI and contact details
Medicare PAC ID
4284678194
NPI enumeration date
June 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(631) 350-6277
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Lynn M. O'Connor practices at Lynn O'Connor Physician in Huntington Station, New York

Dr. O'Connor's primary practice is Lynn O'Connor Physician, at 51 Rushmore St, Huntington Station, NY 11746 in Suffolk County. The practice phone is (631) 350-6277.

  • Lynn O'Connor Physician
    51 Rushmore St, Huntington Station, NY 11746 · Suffolk CountyPhone(631) 350-6277

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Lynn M. O'Connor is affiliated with 4 sites of care and 1 medical group

Dr. O'Connor's primary practice is Lynn O'Connor Physician in Huntington Station, New York. Dr. O'Connor is also affiliated with Huntington Hospital. The medical group on file is Colon & Rectal Surgery of New York. Dmand AI also links Dr. O'Connor to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. O'Connor

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Lynn M. O'Connor's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lynn O'Connor PhysicianAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Lynn M. O'Connor is one of 179 colorectal surgeons in New York

Colon and rectal surgery is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. O'Connor is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. O'Connor's licenses on file in 2 states: New York and Georgia.

Specialties and state licenses

  • Colon and rectal surgery, New YorkPrimaryLicense 240343 · 2006 to 2027 · taxonomy 208C00000X
  • Georgia licenseLicense 056159 · 2005 to 2007

Clinical focus

Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. O'Connor treats.

Colorectal surgeons near Dr. O'Connor

Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Lynn M. O'Connor billed Medicare for 1,140 services in 2024

CMS data shows 1,140 Medicare services from Dr. O'Connor across 11 procedure codes in 2024, for 245 Medicare patients. Medicare paid $151,645 for them.

Medicare services, 20241,140
Medicare patients245
Paid by Medicare$151,645
Procedure codes11

Dr. O'Connor's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6162024: 6516%
Surgery
2023: 5222024: 4896%

Where Dr. O'Connor's Medicare services took place, 2024

  • In an office1,05192%
  • In a facility898%

Dr. O'Connor compared with the New York median for colorectal surgeons, 2024

  • Dr. O'Connor
  • New York median
Medicare services
1,140vs 2225.1 times
Medicare patients
245vs 13384% above
Part D claims
103vs 382.7 times

Medians across 172 colorectal surgeons in New York with Dmand AI profiles that report each measure.

Dr. O'Connor's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. O'Connor

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Connor and other colorectal surgeons in New York.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Lynn M. O'Connor treated 245 Medicare patients in 2024, average age 73

CMS counts 245 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 59, with 71% women.

Medicare patients, 2024245
Average age73
Average risk score1.28
Also on Medicaid10%

Dr. O'Connor's Medicare patients by age, 2024

Dr. O'Connor's Medicare patients by sex, 2024

  • Women18073%
  • Men6527%

Chronic conditions among Dr. O'Connor's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis56%
  4. Diabetes35%
  5. Ischemic heart disease33%
  6. Cancer29%
  7. Anxiety26%
  8. Osteoporosis24%

Share of Medicare patients with each condition. A patient can have several.

Dr. O'Connor's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women71%
  • Men26%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Lynn M. O'Connor wrote 166 Medicare Part D claims in 2024

In 2024, Dr. O'Connor wrote 166 Medicare Part D claims for 92 patients. 63% of them were for generic drugs. CMS names the drug for 103 of them, across 5 drugs with 11 or more claims each, at $10,189 in total drug cost. In 2023, CMS named 124 claims across 6 drugs.

Part D claims, 2024166
Drugs named by CMS5
Total drug cost$10,189
Part D patients92

Dr. O'Connor's Part D claims by kind of drug, 2024

  • Generic104 claims63%
  • Brand-name62 claims37%

Dr. O'Connor's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. O'Connor's Part D claims, 2024

  • Antibiotics14%24 of 166 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1242024: 10317%

Drugs named by CMS: 5 in 2024, 6 in 2023.

See all prescribing by Dr. O'Connor

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Lynn M. O'Connor ranks in the 79th percentile for colonoscopy in Medicare

Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Connor as offering telehealth. CMS counts 97 procedures of colonoscopy by Dr. O'Connor, more than 79% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. O'Connor ranks in Medicare procedure volume

Colonoscopy
79th percentile97 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Lynn M. O'Connor has 2 publications on record

Dmand AI links 2 papers to Dr. O'Connor, published from 2022 to 2024. Dr. O'Connor's most frequent co-authors are Sharon Luster Dykes, MD, Anne Fabrizio, MD and Charles M. Friel, MD.

Papers2
Years published2022 to 2024

Dr. O'Connor's most frequent co-authors

Recent publications by Dr. O'Connor

See all 2 publications and co-authors

See who Dr. O'Connor researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Connor works with, so you can find a warm path to the right colorectal surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Lynn M. O'Connor received $76,150 in industry payments from 2016 to 2025

CMS Open Payments shows 132 general payments to Dr. O'Connor from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. Medical Device Business Services, Inc. paid the most, $72,057.

General payments to Dr. O'Connor by program year, 2016 to 2025

General payments to Dr. O'Connor by kind, 2016 to 2025

$76.1Kin total
  • Consulting fees$61,94181%
  • Travel and lodging$9,81913%
  • Food and beverage$4,3906%

Companies that paid Dr. O'Connor the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. O'Connor

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Lynn M. O'Connor has 1 award and honors on record

Dmand AI lists 1 award for Dr. O'Connor.

Awards and honors for Dr. O'Connor

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Lynn M. O'Connor graduated from Lewis Katz School of Medicine

Dr. O'Connor graduated from Lewis Katz School of Medicine in 1997. Dr. O'Connor is a member of ACS.

  1. Medical schoolLewis Katz School of Medicine
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Lynn M. O'Connor accepts plans from 14 insurance carriers

Dr. O'Connor is in network with 14 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • United Healthcare
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Humana
  • +6 more carriersWith a free account

Plan types Dr. O'Connor accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS4
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. Lynn M. O'Connor's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Lynn M. O'Connor

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Lynn M. O'Connor's NPI number?

Dr. Lynn M. O'Connor's NPI number is 1689601767. It was assigned on June 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Lynn M. O'Connor?

Dr. Lynn M. O'Connor is a colorectal surgeon in Huntington Station, New York. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Lynn M. O'Connor practice?

Dr. O'Connor practices at 51 Rushmore St, Huntington Station, NY 11746. Dr. O'Connor's primary practice is Lynn O'Connor Physician in Huntington Station, New York. Dmand AI also links Dr. O'Connor to 1 hospital and 1 group practice or clinic.

What is Dr. Lynn M. O'Connor's office phone number?

The practice phone on file for Dr. O'Connor is (631) 350-6277.

What is Dr. Lynn M. O'Connor's medical license number?

Dr. O'Connor holds New York license 240343, one of the licenses on file in 2 states.

Which states has Dr. Lynn M. O'Connor been licensed in?

Dmand AI has state licenses on file for Dr. O'Connor in New York (2006 to 2027) and Georgia (2005 to 2007).

Which hospitals is Dr. Lynn M. O'Connor affiliated with?

Dr. O'Connor is affiliated with Huntington Hospital. Dmand AI links Dr. O'Connor to 1 more hospital.

What medical group is Dr. Lynn M. O'Connor part of?

Dr. O'Connor is linked to Colon & Rectal Surgery of New York.

Does Dr. Lynn M. O'Connor accept Medicare?

Yes. CMS data shows Dr. O'Connor billed Medicare for 1,140 services in 2024, and Dr. O'Connor accepts Medicare assignment.

Does Dr. Lynn M. O'Connor offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. O'Connor as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Lynn M. O'Connor see?

CMS counts 245 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 73.

Is Dr. Lynn M. O'Connor board certified?

Yes. Dr. O'Connor is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Lynn M. O'Connor bill to Medicare?

In 2024, Dr. O'Connor's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (46600) and surgery: digestive system (46221).

Where did Dr. Lynn M. O'Connor go to medical school?

Dr. O'Connor graduated from Lewis Katz School of Medicine in 1997.

What drugs does Dr. Lynn M. O'Connor prescribe most?

In 2024 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Clenpiq, Sod Sulf-Potass Sulf-Mag Sulf and Hydrocortisone.

Has Dr. Lynn M. O'Connor received payments from drug or device companies?

CMS Open Payments shows $76,150 in general payments to Dr. O'Connor from 19 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.

How long has Dr. Lynn M. O'Connor been practicing?

Dr. O'Connor graduated from medical school in 1997, 29 years ago.

Does Dr. Lynn M. O'Connor do research?

Dmand AI links 2 publications to Dr. O'Connor, published from 2022 to 2024.

Who does Dr. Lynn M. O'Connor publish with?

Dr. O'Connor's most frequent co-authors are Sharon Luster Dykes, MD (1 shared paper), Anne Fabrizio, MD (1 shared paper) and Charles M. Friel, MD (1 shared paper).

What insurance does Dr. Lynn M. O'Connor accept?

Dr. O'Connor is in network with 14 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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