Dr. Katherine H. McDonnell, MD
- Medicare services, 2024
- 1,189
- Medicare patients, 2024
- 475
- Part D claims, 2024
- 429
- Hospital affiliations
- 2
- Industry payments
- $161
- Practice address
- 701 East Marshall Street, West Chester, PA 19380
- Practice phone
- Call (610) 431-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McDonnell's professional email, personal email and mobile number
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Dr. Katherine H. McDonnell is an internist in West Chester, Pennsylvania
Dr. McDonnell practices at Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania.
Dr. McDonnell's NPI, 1154558476, was assigned on June 12, 2009. Dr. McDonnell holds Pennsylvania license MD471505.
- NPI
- 1154558476NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325288525
- NPI enumeration date
- June 12, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 431-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine H. McDonnell practices at Chester County Hospital in West Chester, Pennsylvania
Dr. McDonnell's primary practice is Chester County Hospital, at 701 East Marshall Street, West Chester, PA 19380 in Chester County. The practice phone is (610) 431-5000.
- Chester County Hospital701 East Marshall Street, West Chester, PA 19380 · Chester CountyPhone(610) 431-5000
Source: Dmand AI Affiliation Data
Dr. Katherine H. McDonnell is affiliated with 2 sites of care and 2 medical groups
Dr. McDonnell's primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Dr. McDonnell is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is CHCA Allergy & Immunology. Dmand AI also links Dr. McDonnell to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine H. McDonnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McDonnell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chester County Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine H. McDonnell is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. McDonnell's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. McDonnell's licenses on file in 3 states: Pennsylvania, Arizona and Delaware.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
- Hospitalist, Arizona
- Delaware license
Internists near Dr. McDonnell
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. Katherine H. McDonnell billed Medicare for 1,189 services in 2024
CMS data shows 1,189 Medicare services from Dr. McDonnell across 6 procedure codes in 2024, for 475 Medicare patients. Medicare paid $85,016 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McDonnell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3432024: 1,18911%
Dr. McDonnell compared with the Pennsylvania median for internists, 2024
- Dr. McDonnell
- Pennsylvania median
- Medicare services
- 1,189vs 4172.9 times
- Medicare patients
- 475vs 1852.6 times
- Part D claims
- 197vs 22412% below
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. McDonnell'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McDonnell and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine H. McDonnell treated 475 Medicare patients in 2024, average age 78
CMS counts 475 Medicare patients who saw Dr. McDonnell in 2024. The largest group is 75 to 84, with 209 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.26, 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. McDonnell's median patient age at 74, with 54% women.
Dr. McDonnell's Medicare patients by age, 2024
Dr. McDonnell's Medicare patients by sex, 2024
- Women24552%
- Men23048%
Chronic conditions among Dr. McDonnell's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease58%
- Mood disorders50%
- Chronic kidney disease47%
- Depression45%
- Diabetes45%
Share of Medicare patients with each condition. A patient can have several.
Dr. McDonnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine H. McDonnell wrote 429 Medicare Part D claims in 2024
In 2024, Dr. McDonnell wrote 429 Medicare Part D claims for 172 patients. 88% of them were for generic drugs. CMS names the drug for 197 of them, across 13 drugs with 11 or more claims each, at $8,692 in total drug cost. In 2023, CMS named 51 claims across 3 drugs.
Dr. McDonnell's Part D claims by kind of drug, 2024
- Generic378 claims88%
- Brand-name51 claims12%
Dr. McDonnell'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. McDonnell's Part D claims, 2024
- Opioids6%24 of 429 claims
- Antibiotics20%86 of 429 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: 512024: 197286%
Drugs named by CMS: 13 in 2024, 3 in 2023.
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. Katherine H. McDonnell takes part in Medicare
Dr. McDonnell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Katherine H. McDonnell received $161 in industry payments from 2021 to 2025
CMS Open Payments shows 3 general payments to Dr. McDonnell from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.
General payments to Dr. McDonnell by program year, 2021 to 2025
Companies that paid Dr. McDonnell the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Katherine H. McDonnell's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Katherine H. McDonnell
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. Katherine H. McDonnell's NPI number?
Dr. Katherine H. McDonnell's NPI number is 1154558476. It was assigned on June 12, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine H. McDonnell?
Dr. Katherine H. McDonnell is an internist in West Chester, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Katherine H. McDonnell practice?
Dr. McDonnell practices at 701 East Marshall Street, West Chester, PA 19380. Dr. McDonnell's primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. McDonnell to 1 medical group.
What is Dr. Katherine H. McDonnell's office phone number?
The practice phone on file for Dr. McDonnell is (610) 431-5000.
What is Dr. Katherine H. McDonnell's medical license number?
Dr. McDonnell holds Pennsylvania license MD471505, one of the licenses on file in 3 states.
Which states has Dr. Katherine H. McDonnell been licensed in?
Dmand AI has state licenses on file for Dr. McDonnell in Pennsylvania, Arizona and Delaware.
Which hospitals is Dr. Katherine H. McDonnell affiliated with?
Dr. McDonnell practices at Chester County Hospital in West Chester, Pennsylvania. Dr. McDonnell is also affiliated with Hospital of the University of Pennsylvania.
What medical group is Dr. Katherine H. McDonnell part of?
Dr. McDonnell is linked to CHCA Allergy & Immunology. Dmand AI links Dr. McDonnell to 1 more medical group.
Does Dr. Katherine H. McDonnell accept Medicare?
Yes. CMS data shows Dr. McDonnell billed Medicare for 1,189 services in 2024, and Dr. McDonnell accepts Medicare assignment.
How many Medicare patients does Dr. Katherine H. McDonnell see?
CMS counts 475 Medicare patients who saw Dr. McDonnell in 2024, with an average age of 78.
Show 4 more questionsShow fewer questions
What services does Dr. Katherine H. McDonnell bill to Medicare?
In 2024, Dr. McDonnell's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99238).
What drugs does Dr. Katherine H. McDonnell prescribe most?
In 2024 Medicare Part D data, Dr. McDonnell's most prescribed drugs by claims were Metoprolol Succinate, Furosemide and Cefpodoxime Proxetil.
Has Dr. Katherine H. McDonnell received payments from drug or device companies?
CMS Open Payments shows $161 in general payments to Dr. McDonnell from 3 companies from 2021 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Katherine H. McDonnell been practicing?
Dr. McDonnell graduated from medical school in 2009, 17 years ago.
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