Jennifer Lynn Underwood, PA-C
- Medicare patients, 2024
- 207
- Part D claims, 2024
- 176
- Hospital affiliations
- 2
- Industry payments
- $43
- Medical groups
- 9
- Practice address
- 775 S Main St, Chelsea, MI 48118
- Practice phone
- Call (734) 475-3911
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jennifer Underwood'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.
Jennifer Lynn Underwood is a physician assistant in Chelsea, Michigan
Jennifer Underwood practices at Chelsea Hospital in Chelsea, Michigan, part of Trinity Health.
Jennifer Underwood's NPI, 1881852390, was assigned on May 30, 2008. Jennifer Underwood holds Michigan license 5601005260.
- NPI
- 1881852390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355416595
- NPI enumeration date
- May 30, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 475-3911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jennifer Lynn Underwood practices at Chelsea Hospital in Chelsea, Michigan
Jennifer Underwood's primary practice is Chelsea Hospital, at 775 S Main St, Chelsea, MI 48118 in Washtenaw County. The practice phone is (734) 475-3911.
- Chelsea Hospital775 S Main St, Chelsea, MI 48118 · Washtenaw CountyPhone(734) 475-3911
Source: Dmand AI Affiliation Data
Jennifer Lynn Underwood is affiliated with 2 sites of care and 9 medical groups
Jennifer Underwood's primary practice is Chelsea Hospital in Chelsea, Michigan, part of Trinity Health. Jennifer Underwood is also affiliated with Henry Ford Jackson Hospital. The medical group on file is Henry Ford Jackson Hospital (formerly Henry Ford Allegiance Health). Dmand AI also links Jennifer Underwood to 8 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jennifer Lynn Underwood's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jennifer Underwood practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chelsea Hospital | Available with a free account |
| +1 more site and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Jennifer Lynn Underwood is one of 5,857 physician assistants in Michigan
Physician assistant is Jennifer Underwood's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Jennifer Underwood's licenses on file in 2 states: Michigan and Ohio.
Specialties and state licenses
- Physician assistant, MichiganPrimary
- Ohio license
Physician assistants near Jennifer Underwood
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
Jennifer Lynn Underwood treated 207 Medicare patients in 2024, average age 77
CMS counts 207 Medicare patients who saw Jennifer Underwood in 2024. The largest group is 75 to 84, with 72 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jennifer Underwood's median patient age at 69, with 55% women.
Jennifer Underwood's Medicare patients by age, 2024
Jennifer Underwood's Medicare patients by sex, 2024
- Women12158%
- Men8642%
Chronic conditions among Jennifer Underwood's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis57%
- Ischemic heart disease36%
- Mood disorders36%
- Chronic kidney disease35%
- Anxiety33%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Jennifer Underwood's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jennifer Lynn Underwood wrote 176 Medicare Part D claims in 2024
In 2024, Jennifer Underwood wrote 176 Medicare Part D claims for 110 patients. 95% of them were for generic drugs.
Jennifer Underwood's Part D claims by kind of drug, 2024
- Generic167 claims95%
- Brand-name and other9 claims5%
Drug classes CMS tracks in Jennifer Underwood's Part D claims, 2024
- Opioids12%21 of 176 claims
- Antibiotics36%64 of 176 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 Jennifer Lynn Underwood takes part in Medicare
Jennifer Underwood 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.
Jennifer Lynn Underwood received $43 in industry payments in 2025
CMS Open Payments shows 2 general payments to Jennifer Underwood from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $43.
Companies that paid Jennifer Underwood 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 Jennifer Lynn Underwood'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 Jennifer Lynn Underwood
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jennifer Lynn Underwood's NPI number?
Jennifer Lynn Underwood's NPI number is 1881852390. It was assigned on May 30, 2008, and it is active in the NPI Registry.
What does Jennifer Lynn Underwood specialize in?
Jennifer Lynn Underwood is a physician assistant in Chelsea, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jennifer Lynn Underwood practice?
Jennifer Underwood practices at 775 S Main St, Chelsea, MI 48118. Jennifer Underwood's primary practice is Chelsea Hospital in Chelsea, Michigan, part of Trinity Health. Dmand AI also links Jennifer Underwood to 8 medical groups.
What is Jennifer Lynn Underwood's office phone number?
The practice phone on file for Jennifer Underwood is (734) 475-3911.
What is Jennifer Lynn Underwood's medical license number?
Jennifer Underwood holds Michigan license 5601005260, one of the licenses on file in 2 states.
Which states has Jennifer Lynn Underwood been licensed in?
Dmand AI has state licenses on file for Jennifer Underwood in Michigan and Ohio.
Which hospitals is Jennifer Lynn Underwood affiliated with?
Jennifer Underwood practices at Chelsea Hospital in Chelsea, Michigan. Jennifer Underwood is also affiliated with Henry Ford Jackson Hospital.
What medical group is Jennifer Lynn Underwood part of?
Jennifer Underwood is linked to Henry Ford Jackson Hospital (formerly Henry Ford Allegiance Health). Dmand AI links Jennifer Underwood to 8 more medical groups.
Does Jennifer Lynn Underwood accept Medicare?
Yes. CMS lists Jennifer Underwood as accepting Medicare assignment.
How many Medicare patients does Jennifer Lynn Underwood see?
CMS counts 207 Medicare patients who saw Jennifer Underwood in 2024, with an average age of 77.
Has Jennifer Lynn Underwood received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Jennifer Underwood from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Jennifer Lynn Underwood been practicing?
Jennifer Underwood graduated from medical school in 2008, 18 years ago.
Selling to physician assistant practices?
See physician assistants in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card