Rachel A. Chassen, NP
- Medicare patients, 2024
- 61
- Part D claims, 2024
- 23
- Hospital affiliations
- 2
- Industry payments
- $450
- Medical groups
- 4
- Practice address
- 225 Williamson St, Elizabeth, NJ 07202
- Practice phone
- Call (908) 994-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Trinitas Regional Medical Center - Williamson Street Campus
Elizabeth, New Jersey
Find Rachel Chassen'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.
Rachel A. Chassen is a nurse practitioner in Elizabeth, New Jersey
Rachel Chassen practices at Trinitas Regional Medical Center - Williamson Street Campus in Elizabeth, New Jersey.
Rachel Chassen's NPI, 1396358552, was assigned on August 27, 2020. Rachel Chassen holds New Jersey license 26NJ01338700.
- NPI
- 1396358552NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436560901
- NPI enumeration date
- August 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (908) 994-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rachel A. Chassen practices at Trinitas Regional Medical Center - Williamson Street Campus in Elizabeth, New Jersey
Rachel Chassen's primary practice is Trinitas Regional Medical Center - Williamson Street Campus, at 225 Williamson St, Elizabeth, NJ 07202 in Union County. The practice phone is (908) 994-5000.
- Trinitas Regional Medical Center - Williamson Street Campus225 Williamson St, Elizabeth, NJ 07202 · Union CountyPhone(908) 994-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rachel A. Chassen is affiliated with 3 sites of care and 4 medical groups
Rachel Chassen's primary practice is Trinitas Regional Medical Center - Williamson Street Campus in Elizabeth, New Jersey. Rachel Chassen is also affiliated with Trinitas Regional Medical Center. The medical group on file is RWJBarnabas Health Medical Group. Dmand AI also links Rachel Chassen to 1 more hospital and 3 medical groups, each named with a free account.
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 Rachel A. Chassen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rachel Chassen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinitas Regional Medical Center - Williamson Street Campus | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Rachel A. Chassen is one of 1,544 nurse practitioners in New Jersey
Nurse practitioner is Rachel Chassen's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Rachel Chassen's licenses on file in 2 states: New Jersey and New York.
Specialties and state licenses
- Nurse practitioner, New JerseyPrimary
- Acute care nurse practitioner, New York
Nurse practitioners near Rachel Chassen
Counts of nurse practitioners 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
Rachel A. Chassen treated 61 Medicare patients in 2024, average age 68
CMS counts 61 Medicare patients who saw Rachel Chassen in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Rachel Chassen's median patient age at 65, with 75% women.
Rachel Chassen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Rachel Chassen's Medicare patients by sex, 2024
- Women3151%
- Men3049%
Chronic conditions among Rachel Chassen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety59%
- Mood disorders51%
- Arthritis49%
- Diabetes48%
- Depression46%
- Ischemic heart disease41%
Share of Medicare patients with each condition. A patient can have several.
Rachel Chassen'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
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rachel A. Chassen wrote 23 Medicare Part D claims in 2024
In 2024, Rachel Chassen wrote 23 Medicare Part D claims for 21 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Rachel Chassen's Part D claims, 2024
- Antibiotics70%16 of 23 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 Rachel A. Chassen takes part in Medicare
Rachel Chassen 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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Rachel A. Chassen received $450 in industry payments in 2025
CMS Open Payments shows 1 general payment to Rachel Chassen from 1 drug or device company in 2025. Speaker and faculty fees make up the largest share, 100% of the total. Becton, Dickinson and Company paid the most, $450.
Companies that paid Rachel Chassen 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 Rachel A. Chassen'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 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 Rachel A. Chassen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rachel A. Chassen's NPI number?
Rachel A. Chassen's NPI number is 1396358552. It was assigned on August 27, 2020, and it is active in the NPI Registry.
What does Rachel A. Chassen specialize in?
Rachel A. Chassen is a nurse practitioner in Elizabeth, New Jersey. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Rachel A. Chassen practice?
Rachel Chassen practices at 225 Williamson St, Elizabeth, NJ 07202. Rachel Chassen's primary practice is Trinitas Regional Medical Center - Williamson Street Campus in Elizabeth, New Jersey. Dmand AI also links Rachel Chassen to 1 hospital and 3 medical groups.
What is Rachel A. Chassen's office phone number?
The practice phone on file for Rachel Chassen is (908) 994-5000.
What is Rachel A. Chassen's medical license number?
Rachel Chassen holds New Jersey license 26NJ01338700, one of the licenses on file in 2 states.
Which states has Rachel A. Chassen been licensed in?
Dmand AI has state licenses on file for Rachel Chassen in New Jersey and New York.
Which hospitals is Rachel A. Chassen affiliated with?
Rachel Chassen is affiliated with Trinitas Regional Medical Center. Dmand AI links Rachel Chassen to 1 more hospital.
What medical group is Rachel A. Chassen part of?
Rachel Chassen is linked to RWJBarnabas Health Medical Group. Dmand AI links Rachel Chassen to 3 more medical groups.
Does Rachel A. Chassen accept Medicare?
Yes. CMS lists Rachel Chassen as accepting Medicare assignment.
How many Medicare patients does Rachel A. Chassen see?
CMS counts 61 Medicare patients who saw Rachel Chassen in 2024, with an average age of 68.
Has Rachel A. Chassen received payments from drug or device companies?
CMS Open Payments shows $450 in general payments to Rachel Chassen from 1 company from 2025 to 2025. The largest total came from Becton, Dickinson and Company.
How long has Rachel A. Chassen been practicing?
Rachel Chassen graduated from medical school in 2020, 6 years ago.
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