Chelsea Ann Brennan, PA-C
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 44
- Hospital affiliations
- 1
- Industry payments
- $148
- Medical group
- 1
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Chelsea Brennan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Chelsea Ann Brennan is a physician assistant in Ann Arbor, Michigan
Chelsea Brennan practices at University Hospital in Ann Arbor, Michigan.
Chelsea Brennan's NPI, 1083084628, was assigned on September 25, 2015. Chelsea Brennan holds Michigan license 5601007560.
- NPI
- 1083084628NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971812454
- NPI enumeration date
- September 25, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Chelsea Ann Brennan practices at University Hospital in Ann Arbor, Michigan
Chelsea Brennan's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Chelsea Ann Brennan is affiliated with 2 sites of care and 1 medical group
Chelsea Brennan's primary practice is University Hospital in Ann Arbor, Michigan. Chelsea Brennan is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Chelsea Brennan's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Chelsea Ann Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Chelsea Brennan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Chelsea Ann Brennan is one of 5,857 physician assistants in Michigan
Physician assistant is Chelsea Brennan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Chelsea Brennan is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Chelsea Brennan
Counts of physician assistants 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
Chelsea Ann Brennan treated 30 Medicare patients in 2024, average age 70
CMS counts 30 Medicare patients who saw Chelsea Brennan in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 67% have high cholesterol. Their average risk score is 2.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Chelsea Brennan's median patient age at 49, with 46% women.
Chelsea Brennan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chelsea Brennan's Medicare patients by sex, 2024
- Women1550%
- Men1550%
Chronic conditions among Chelsea Brennan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Anxiety40%
- Heart failure40%
- Arthritis37%
- Atrial fibrillation37%
- Chronic kidney disease37%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Chelsea 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 49
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Chelsea Ann Brennan wrote 44 Medicare Part D claims in 2024
In 2024, Chelsea Brennan wrote 44 Medicare Part D claims for 24 patients. 98% of them were for generic drugs.
Chelsea Brennan's Part D claims by kind of drug, 2024
- Generic43 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Chelsea Brennan's Part D claims, 2024
- Opioids27%12 of 44 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Chelsea Ann Brennan takes part in Medicare
Chelsea 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Chelsea Ann Brennan received $148 in industry payments in 2025
CMS Open Payments shows 1 general payment to Chelsea Brennan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. PolyNovo North America LLC paid the most, $148.
Companies that paid Chelsea Brennan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Chelsea Ann 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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 Chelsea Ann 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 Chelsea Ann Brennan's NPI number?
Chelsea Ann Brennan's NPI number is 1083084628. It was assigned on September 25, 2015, and it is active in the NPI Registry.
What does Chelsea Ann Brennan specialize in?
Chelsea Ann Brennan is a physician assistant in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Chelsea Ann Brennan practice?
Chelsea Brennan practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Chelsea Brennan's primary practice is University Hospital in Ann Arbor, Michigan.
What is Chelsea Ann Brennan's office phone number?
The practice phone on file for Chelsea Brennan is (734) 936-4000.
What is Chelsea Ann Brennan's medical license number?
Chelsea Brennan holds Michigan license 5601007560.
Which hospitals is Chelsea Ann Brennan affiliated with?
Chelsea Brennan is affiliated with University Hospital.
What medical group is Chelsea Ann Brennan part of?
Chelsea Brennan is linked to University of Michigan Health.
Does Chelsea Ann Brennan accept Medicare?
Yes. CMS lists Chelsea Brennan as accepting Medicare assignment.
How many Medicare patients does Chelsea Ann Brennan see?
CMS counts 30 Medicare patients who saw Chelsea Brennan in 2024, with an average age of 70.
Has Chelsea Ann Brennan received payments from drug or device companies?
CMS Open Payments shows $148 in general payments to Chelsea Brennan from 1 company from 2025 to 2025. The largest total came from PolyNovo North America LLC.
How long has Chelsea Ann Brennan been practicing?
Chelsea Brennan graduated from medical school in 2015, 11 years ago.
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