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Dr. Susan Brennan, DO
NPI1952328411PAC ID7113906488
- Medicare services, 2024
- 573
- Medicare patients, 2024
- 467
- Part D claims, 2024
- 510
- Publications
- 6
- Hospital affiliations
- 1
- Practice address
- 300 Jimmy Dr, Smyrna, DE 19977
- Practice phone
- Call (302) 273-0727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ChristianaCare - GoHealth Urgent Care
Smyrna, Delaware
Find Dr. Brennan's professional email, personal email and mobile number
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Dr. Susan Brennan is an emergency medicine physician in Smyrna, Delaware
Dr. Brennan practices at ChristianaCare - GoHealth Urgent Care in Smyrna, Delaware.
Dr. Brennan's NPI, 1952328411, was assigned on July 17, 2006. Dr. Brennan holds Delaware license C2-0007293.
NPI and contact details
- NPI
- 1952328411NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113906488
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 273-0727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Susan Brennan practices at ChristianaCare - GoHealth Urgent Care in Smyrna, Delaware
Dr. Brennan's primary practice is ChristianaCare - GoHealth Urgent Care, at 300 Jimmy Dr, Smyrna, DE 19977 in Kent County. The practice phone is (302) 273-0727.
- ChristianaCare - GoHealth Urgent Care300 Jimmy Dr, Smyrna, DE 19977 · Kent CountyPhone(302) 273-0727
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Susan Brennan is affiliated with 2 sites of care and 3 medical groups
Dr. Brennan's primary practice is ChristianaCare - GoHealth Urgent Care in Smyrna, Delaware. Dr. Brennan is also affiliated with Bayhealth Hospital, Kent Campus. The medical group on file is ChristianaCare-GoHealth Urgent Care. Dmand AI also links Dr. Brennan to 2 more medical groups, each named with a free account.
ChristianaCare - GoHealth Urgent CarePrimary
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. Susan Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brennan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ChristianaCare - GoHealth Urgent Care | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Susan Brennan is one of 235 emergency medicine physicians in Delaware
Emergency medicine is Dr. Brennan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Brennan's licenses on file in 2 states: Delaware and Pennsylvania.
Specialties and state licenses
- Emergency medicine, DelawarePrimary
- Pennsylvania license
Emergency medicine physicians near Dr. Brennan
Counts of emergency medicine physicians 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. Susan Brennan billed Medicare for 573 services in 2024
CMS data shows 573 Medicare services from Dr. Brennan across 9 procedure codes in 2024, for 467 Medicare patients. Medicare paid $36,672 for them.
Medicare services, 2024573
Medicare patients467
Paid by Medicare$36,672
Procedure codes9
Dr. Brennan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5062024: 45710%
- Lab and pathology
- 2023: 742024: 11657%
- Tests and treatments
- 2023: 1032024: 0100%
Where Dr. Brennan's Medicare services took place, 2024
- In an office53092%
- In a facility438%
Dr. Brennan compared with the Delaware median for emergency medicine physicians, 2024
- Dr. Brennan
- Delaware median
- Medicare services
- 573vs 43731% above
- Medicare patients
- 467vs 35233% above
- Part D claims
- 405vs 3511.6 times
Medians across 207 emergency medicine physicians in Delaware with Dmand AI profiles that report each measure.
Dr. Brennan'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. Brennan and other emergency medicine physicians in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Susan Brennan treated 467 Medicare patients in 2024, average age 72
CMS counts 467 Medicare patients who saw Dr. Brennan in 2024. The largest group is 65 to 74, with 225 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Brennan's median patient age at 37, with 62% women.
Medicare patients, 2024467
Average age72
Average risk score1.20
Also on Medicaid13%
Dr. Brennan's Medicare patients by age, 2024
Dr. Brennan's Medicare patients by sex, 2024
- Women29663%
- Men17137%
Chronic conditions among Dr. Brennan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes33%
- Chronic kidney disease31%
- Ischemic heart disease27%
- Mood disorders26%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Brennan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Susan Brennan wrote 510 Medicare Part D claims in 2024
In 2024, Dr. Brennan wrote 510 Medicare Part D claims for 344 patients. 97% of them were for generic drugs. CMS names the drug for 405 of them, across 9 drugs with 11 or more claims each, at $4,067 in total drug cost. In 2023, CMS named 167 claims across 7 drugs.
Part D claims, 2024510
Drugs named by CMS9
Total drug cost$4,067
Part D patients344
Dr. Brennan's Part D claims by kind of drug, 2024
- Generic496 claims97%
- Brand-name14 claims3%
Dr. Brennan'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. Brennan's Part D claims, 2024
- Antibiotics55%280 of 510 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: 1672024: 405143%
Drugs named by CMS: 9 in 2024, 7 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. Susan Brennan takes part in Medicare
Dr. Brennan 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. Susan Brennan has 6 publications on record
Dmand AI links 6 papers to Dr. Brennan, published from 2016 to 2023. The most frequent topics are Communication, Language and Speech.
Papers6
Years published2016 to 2023
Dr. Brennan's papers by year, 2016 to 2023
Topics Dr. Brennan writes about most
- Communication
- Language
- Speech
Recent publications by Dr. Brennan
CommunicationLinguistics
Psychon Bull Rev
LanguagePsycholinguisticsResearch Personnel
Soc Cogn Affect Neurosci
AffectBrainBrain Mapping
See who Dr. Brennan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Brennan works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Susan Brennan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Susan Brennan
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. Susan Brennan's NPI number?
Dr. Susan Brennan's NPI number is 1952328411. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Susan Brennan?
Dr. Susan Brennan is an emergency medicine physician in Smyrna, Delaware. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Susan Brennan practice?
Dr. Brennan practices at 300 Jimmy Dr, Smyrna, DE 19977. Dr. Brennan's primary practice is ChristianaCare - GoHealth Urgent Care in Smyrna, Delaware. Dmand AI also links Dr. Brennan to 2 medical groups.
What is Dr. Susan Brennan's office phone number?
The practice phone on file for Dr. Brennan is (302) 273-0727.
What is Dr. Susan Brennan's medical license number?
Dr. Brennan holds Delaware license C2-0007293, one of the licenses on file in 2 states.
Which states has Dr. Susan Brennan been licensed in?
Dmand AI has state licenses on file for Dr. Brennan in Delaware and Pennsylvania.
Which hospitals is Dr. Susan Brennan affiliated with?
Dr. Brennan is affiliated with Bayhealth Hospital, Kent Campus.
What medical group is Dr. Susan Brennan part of?
Dr. Brennan is linked to ChristianaCare-GoHealth Urgent Care. Dmand AI links Dr. Brennan to 2 more medical groups.
Does Dr. Susan Brennan accept Medicare?
Yes. CMS data shows Dr. Brennan billed Medicare for 573 services in 2024, and Dr. Brennan accepts Medicare assignment.
How many Medicare patients does Dr. Susan Brennan see?
CMS counts 467 Medicare patients who saw Dr. Brennan in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Susan Brennan bill to Medicare?
In 2024, Dr. Brennan's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and lab and pathology test (81003).
What drugs does Dr. Susan Brennan prescribe most?
In 2024 Medicare Part D data, Dr. Brennan's most prescribed drugs by claims were Fluticasone Propionate, Doxycycline Monohydrate and Amoxicillin-Clavulanate Potass.
How long has Dr. Susan Brennan been practicing?
Dr. Brennan graduated from medical school in 2000, 26 years ago.
Does Dr. Susan Brennan do research?
Dmand AI links 6 publications to Dr. Brennan, published from 2016 to 2023.
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