Janet Louise Helliwell, NP
- Part D claims, 2024
- 695
- Industry payments
- $540
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 300 Birnie Ave, Springfield, MA 01107
- Practice phone
- Call (413) 734-4206
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chestnut Medical Associates, Inc
Springfield, Massachusetts
Find Janet Helliwell's professional email, personal email and mobile number
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Janet Louise Helliwell is a nurse practitioner in Springfield, Massachusetts
Janet Helliwell practices at Chestnut Medical Associates, Inc in Springfield, Massachusetts.
Janet Helliwell's NPI, 1053612309, was assigned on November 3, 2010. Janet Helliwell holds Massachusetts license RN212877.
- NPI
- 1053612309NPI Registry (opens in a new tab)
- NPI enumeration date
- November 3, 2010
- NPI status
- Active
- Practice phone
- (413) 734-4206
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Janet Louise Helliwell practices at Chestnut Medical Associates, Inc in Springfield, Massachusetts
Janet Helliwell's primary practice is Chestnut Medical Associates, Inc, at 300 Birnie Ave, Springfield, MA 01107 in Hampden County. The practice phone is (413) 734-4206.
- Chestnut Medical Associates, Inc300 Birnie Ave, Springfield, MA 01107 · Hampden CountyPhone(413) 734-4206
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Janet Louise Helliwell is affiliated with 2 sites of care and 2 medical groups
Janet Helliwell's primary practice is Chestnut Medical Associates, Inc in Springfield, Massachusetts. The medical group on file is Chestnut Medical Associates. Dmand AI also links Janet Helliwell to 1 more group practice or clinic 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 Janet Louise Helliwell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Janet Helliwell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chestnut Medical Associates, Inc | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Janet Louise Helliwell is one of 2,511 nurse practitioners in Massachusetts
Nurse practitioner is Janet Helliwell's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Janet Helliwell is licensed in Massachusetts.
Specialties and state licenses
- Nurse practitioner, MassachusettsPrimary
Nurse practitioners near Janet Helliwell
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
Janet Louise Helliwell's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Janet Helliwell's median patient age at 56, with 76% women.
Janet Helliwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women76%
- Men24%
Source: Dmand AI Patient Panel Data
Janet Louise Helliwell wrote 695 Medicare Part D claims in 2024
In 2024, Janet Helliwell wrote 695 Medicare Part D claims for 102 patients. 86% of them were for generic drugs.
Janet Helliwell's Part D claims by kind of drug, 2024
- Generic601 claims86%
- Brand-name and other94 claims14%
Drug classes CMS tracks in Janet Helliwell's Part D claims, 2024
- Antibiotics3%22 of 695 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
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Janet Louise Helliwell received $540 in industry payments in 2025
CMS Open Payments shows 20 general payments to Janet Helliwell from 9 drug and device companies in 2025. Food and beverage make up the largest share, 73% of the total. Novo Nordisk Inc paid the most, $123.
General payments to Janet Helliwell by kind, 2025 to 2025
- Food and beverage$39673%
- Education$14427%
Companies that paid Janet Helliwell 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 Janet Louise Helliwell'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Janet Louise Helliwell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Janet Louise Helliwell's NPI number?
Janet Louise Helliwell's NPI number is 1053612309. It was assigned on November 3, 2010, and it is active in the NPI Registry.
What does Janet Louise Helliwell specialize in?
Janet Louise Helliwell is a nurse practitioner in Springfield, Massachusetts. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Janet Louise Helliwell practice?
Janet Helliwell practices at 300 Birnie Ave, Springfield, MA 01107. Janet Helliwell's primary practice is Chestnut Medical Associates, Inc in Springfield, Massachusetts. Dmand AI also links Janet Helliwell to 1 group practice or clinic and 1 medical group.
What is Janet Louise Helliwell's office phone number?
The practice phone on file for Janet Helliwell is (413) 734-4206.
What is Janet Louise Helliwell's medical license number?
Janet Helliwell holds Massachusetts license RN212877.
What medical group is Janet Louise Helliwell part of?
Janet Helliwell is linked to Chestnut Medical Associates. Dmand AI links Janet Helliwell to 1 more medical group.
Has Janet Louise Helliwell received payments from drug or device companies?
CMS Open Payments shows $540 in general payments to Janet Helliwell from 9 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Janet Louise Helliwell been practicing?
Janet Helliwell graduated from medical school in 2009, 17 years ago.
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