Rachel Marie Chastain, APNP
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 1,811
- Hospital affiliations
- 2
- Industry payments
- $32
- Medical groups
- 2
- Practice address
- 519 S Monroe Ave, Green Bay, WI 54301
- Practice phone
- Call (920) 445-7272
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bellin Health Asthma and Allergy - Green Bay
Green Bay, Wisconsin
Find Rachel Chastain'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 Marie Chastain is a nurse practitioner in Green Bay, Wisconsin
Rachel Chastain practices at Bellin Health Asthma and Allergy - Green Bay in Green Bay, Wisconsin.
Rachel Chastain's NPI, 1942661566, was assigned on March 9, 2016. Rachel Chastain holds Wisconsin license 6785-33.
- NPI
- 1942661566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052618154
- NPI enumeration date
- March 9, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (920) 445-7272
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rachel Marie Chastain practices at Bellin Health Asthma and Allergy - Green Bay in Green Bay, Wisconsin
Rachel Chastain's primary practice is Bellin Health Asthma and Allergy - Green Bay, at 519 S Monroe Ave, Green Bay, WI 54301 in Brown County. The practice phone is (920) 445-7272.
- Bellin Health Asthma and Allergy - Green Bay519 S Monroe Ave, Green Bay, WI 54301 · Brown CountyPhone(920) 445-7272
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rachel Marie Chastain is affiliated with 5 sites of care and 2 medical groups
Rachel Chastain's primary practice is Bellin Health Asthma and Allergy - Green Bay in Green Bay, Wisconsin. Rachel Chastain is also affiliated with Emplify Health Green Bay Hospital. The medical group on file is Bellin Health Heart & Vascular Crystal Falls. Dmand AI also links Rachel Chastain to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Rachel Marie Chastain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rachel Chastain practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bellin Health Asthma and Allergy - Green Bay | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Rachel Marie Chastain is one of 3,198 nurse practitioners in Wisconsin
Nurse practitioner is Rachel Chastain's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Rachel Chastain is licensed in Wisconsin.
Specialties and state licenses
- Nurse practitioner, WisconsinPrimary
Nurse practitioners near Rachel Chastain
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 Marie Chastain treated 81 Medicare patients in 2024, average age 69
CMS counts 81 Medicare patients who saw Rachel Chastain in 2024. The largest group is 65 to 74, with 46 patients. 72% of them have high cholesterol, and 64% have asthma. 14% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Rachel Chastain's median patient age at 47, with 59% women.
Rachel Chastain's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Rachel Chastain's Medicare patients by sex, 2024
- Women5365%
- Men2835%
Chronic conditions among Rachel Chastain's Medicare patients, 2024
- High cholesterol72%
- Asthma64%
- High blood pressure62%
- Arthritis46%
- Mood disorders32%
- Diabetes27%
- Depression26%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Rachel Chastain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rachel Marie Chastain wrote 1,811 Medicare Part D claims in 2024
In 2024, Rachel Chastain wrote 1,811 Medicare Part D claims for 186 patients. 51% of them were for generic drugs.
Rachel Chastain's Part D claims by kind of drug, 2024
- Generic930 claims51%
- Brand-name881 claims49%
Drug classes CMS tracks in Rachel Chastain's Part D claims, 2024
- Antibiotics2%45 of 1,811 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
Rachel Marie Chastain offers telehealth to Medicare patients
Rachel Chastain accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Rachel Chastain as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Rachel Marie Chastain received $32 in industry payments in 2025
CMS Open Payments shows 1 general payment to Rachel Chastain from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CSL Behring paid the most, $32.
Companies that paid Rachel Chastain 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 Marie Chastain'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 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 Marie Chastain
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 Marie Chastain's NPI number?
Rachel Marie Chastain's NPI number is 1942661566. It was assigned on March 9, 2016, and it is active in the NPI Registry.
What does Rachel Marie Chastain specialize in?
Rachel Marie Chastain is a nurse practitioner in Green Bay, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Rachel Marie Chastain practice?
Rachel Chastain practices at 519 S Monroe Ave, Green Bay, WI 54301. Rachel Chastain's primary practice is Bellin Health Asthma and Allergy - Green Bay in Green Bay, Wisconsin. Dmand AI also links Rachel Chastain to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Rachel Marie Chastain's office phone number?
The practice phone on file for Rachel Chastain is (920) 445-7272.
What is Rachel Marie Chastain's medical license number?
Rachel Chastain holds Wisconsin license 6785-33.
Which hospitals is Rachel Marie Chastain affiliated with?
Rachel Chastain is affiliated with Emplify Health Green Bay Hospital. Dmand AI links Rachel Chastain to 1 more hospital.
What medical group is Rachel Marie Chastain part of?
Rachel Chastain is linked to Bellin Health Heart & Vascular Crystal Falls. Dmand AI links Rachel Chastain to 1 more medical group.
Does Rachel Marie Chastain accept Medicare?
Yes. CMS lists Rachel Chastain as accepting Medicare assignment.
Does Rachel Marie Chastain offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Rachel Chastain as offering telehealth services.
How many Medicare patients does Rachel Marie Chastain see?
CMS counts 81 Medicare patients who saw Rachel Chastain in 2024, with an average age of 69.
Has Rachel Marie Chastain received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Rachel Chastain from 1 company from 2025 to 2025. The largest total came from CSL Behring.
How long has Rachel Marie Chastain been practicing?
Rachel Chastain graduated from medical school in 2014, 12 years ago.
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