Dr. Colleen E. O'Connor, MD

  • Wayne, PA
  • Internist
NPI1922087154PAC ID2961448469
Medicare services, 2024
209
Medicare patients, 2024
166
Part D claims, 2024
80
Hospital affiliations
1
Industry payments
$85
Practice address
100 E Lancaster Ave, Wayne, PA 19087
Practice phone
Call (610) 645-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lankenau Medical Center

Wayne, Pennsylvania

See all 3 affiliations

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Dr. Colleen E. O'Connor is an internist in Wayne, Pennsylvania

Dr. O'Connor practices at Lankenau Medical Center in Wayne, Pennsylvania.

Dr. O'Connor's NPI, 1922087154, was assigned on January 16, 2006. Dr. O'Connor graduated from Tufts University School of Medicine in 2002. Dr. O'Connor holds Pennsylvania license MD425878.

NPI and contact details
Medicare PAC ID
2961448469
NPI enumeration date
January 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(610) 645-2000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
50
Medical school graduation
2002

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

Dr. Colleen E. O'Connor practices at Lankenau Medical Center in Wayne, Pennsylvania

Dr. O'Connor's primary practice is Lankenau Medical Center, at 100 E Lancaster Ave, Wayne, PA 19087 in Delaware County. The practice phone is (610) 645-2000.

  • Lankenau Medical Center
    100 E Lancaster Ave, Wayne, PA 19087 · Delaware CountyPhone(610) 645-2000

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

Dr. Colleen E. O'Connor is affiliated with 2 sites of care and 1 medical group

Dr. O'Connor's primary practice is Lankenau Medical Center in Wayne, Pennsylvania. Dr. O'Connor is also affiliated with Lankenau Medical Center. The medical group on file is Main Line Health.

See all 3 affiliations for Dr. O'Connor

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

Dmand AI tracks the EHR system at Dr. Colleen E. O'Connor's practice

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

EHR by site
SiteEHR vendor and product
Lankenau Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Colleen E. O'Connor is one of 5,665 internists in Pennsylvania

Internal medicine is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Connor is licensed in Pennsylvania.

Specialties and state licenses

  • Internal medicine, PennsylvaniaPrimaryLicense MD425878 · taxonomy 207R00000X

Internists near Dr. O'Connor

Counts of internists 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. Colleen E. O'Connor billed Medicare for 209 services in 2024

CMS data shows 209 Medicare services from Dr. O'Connor across 3 procedure codes in 2024, for 166 Medicare patients. Medicare paid $20,295 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024209
Medicare patients166
Paid by Medicare$20,295
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 2562024: 20918%

Dr. O'Connor compared with the Pennsylvania median for internists, 2024

  • Dr. O'Connor
  • Pennsylvania median
Medicare services
209vs 41750% below
Medicare patients
166vs 18510% below
Part D claims
12vs 22495% below

Medians across 5,518 internists in Pennsylvania 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Colleen E. O'Connor treated 166 Medicare patients in 2024, average age 78

CMS counts 166 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 65, with 56% women.

Medicare patients, 2024166
Average age78
Average risk score2.65
Also on Medicaid23%

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

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

  • Women9054%
  • Men7646%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Ischemic heart disease57%
  5. Mood disorders51%
  6. Chronic kidney disease48%
  7. Heart failure48%
  8. Depression45%

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 65

Patient panel by sex, all payers

  • Women56%
  • Men42%

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

Dr. Colleen E. O'Connor wrote 80 Medicare Part D claims in 2024

In 2024, Dr. O'Connor wrote 80 Medicare Part D claims for 44 patients. 83% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $60 in total drug cost.

Part D claims, 202480
Drugs named by CMS1
Total drug cost$60
Part D patients44

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

  • Generic66 claims83%
  • Brand-name14 claims18%

Dr. O'Connor's most prescribed drugs by claims, 2020

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

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

How Dr. Colleen E. O'Connor takes part in Medicare

Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Coronary angioplasty and stenting: 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)

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Dr. Colleen E. O'Connor received $85 in industry payments from 2022 to 2025

CMS Open Payments shows 4 general payments to Dr. O'Connor from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $63.

General payments to Dr. O'Connor by program year, 2022 to 2025

Companies that paid Dr. O'Connor the most, 2022 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. Colleen E. O'Connor graduated from Tufts University School of Medicine

Dr. O'Connor graduated from Tufts University School of Medicine in 2002.

  1. Medical schoolTufts University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Colleen E. 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 DataDmand AI Org Hierarchy 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Colleen E. 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. Colleen E. O'Connor's NPI number?

Dr. Colleen E. O'Connor's NPI number is 1922087154. It was assigned on January 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Colleen E. O'Connor?

Dr. Colleen E. O'Connor is an internist in Wayne, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Colleen E. O'Connor practice?

Dr. O'Connor practices at 100 E Lancaster Ave, Wayne, PA 19087. Dr. O'Connor's primary practice is Lankenau Medical Center in Wayne, Pennsylvania.

What is Dr. Colleen E. O'Connor's office phone number?

The practice phone on file for Dr. O'Connor is (610) 645-2000.

What is Dr. Colleen E. O'Connor's medical license number?

Dr. O'Connor holds Pennsylvania license MD425878.

Which hospitals is Dr. Colleen E. O'Connor affiliated with?

Dr. O'Connor is affiliated with Lankenau Medical Center.

What medical group is Dr. Colleen E. O'Connor part of?

Dr. O'Connor is linked to Main Line Health.

Does Dr. Colleen E. O'Connor accept Medicare?

Yes. CMS data shows Dr. O'Connor billed Medicare for 209 services in 2024, and Dr. O'Connor accepts Medicare assignment.

How many Medicare patients does Dr. Colleen E. O'Connor see?

CMS counts 166 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 78.

What services does Dr. Colleen E. O'Connor bill to Medicare?

In 2024, Dr. O'Connor's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99238).

Show 4 more questionsShow fewer questions

Where did Dr. Colleen E. O'Connor go to medical school?

Dr. O'Connor graduated from Tufts University School of Medicine in 2002.

What drugs does Dr. Colleen E. O'Connor prescribe most?

In 2020 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Fluoxetine HCl.

Has Dr. Colleen E. O'Connor received payments from drug or device companies?

CMS Open Payments shows $85 in general payments to Dr. O'Connor from 2 companies from 2022 to 2025. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Colleen E. O'Connor been practicing?

Dr. O'Connor graduated from medical school in 2002, 24 years ago.

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