Jason Willam Harnett I, DPT
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 135 Benton Drive, East Longmeadow, MA 01028
- Practice phone
- Call (413) 525-3336
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CareOne at Redstone
Skilled Nursing Facility · East Longmeadow, Massachusetts
Find Jason Harnett'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.
Jason Willam Harnett I is a physician assistant in East Longmeadow, Massachusetts
Jason Harnett practices at CareOne at Redstone in East Longmeadow, Massachusetts.
Jason Harnett's NPI, 1760868392, was assigned on August 5, 2015. Jason Harnett graduated from Yale University School of Medicine in 2025. Jason Harnett holds Massachusetts license PA101675.
- NPI
- 1760868392NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294240396
- NPI enumeration date
- August 5, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 525-3336
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jason Willam Harnett I practices at CareOne at Redstone in East Longmeadow, Massachusetts
Jason Harnett's primary practice is CareOne at Redstone, at 135 Benton Drive, East Longmeadow, MA 01028 in Hampden County. The practice phone is (413) 525-3336.
- CareOne at Redstone135 Benton Drive, East Longmeadow, MA 01028 · Hampden CountyPhone(413) 525-3336
Source: Dmand AI Affiliation Data
Jason Willam Harnett I is affiliated with 3 sites of care and 1 medical group
Jason Harnett's primary practice is CareOne at Redstone in East Longmeadow, Massachusetts. Jason Harnett is also affiliated with Baystate Medical Center. The medical group on file is Baystate Medical Practices. Dmand AI also links Jason Harnett to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jason Willam Harnett I's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jason Harnett practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CareOne at Redstone | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Jason Willam Harnett I is one of 3,922 physician assistants in Massachusetts
Physician assistant is Jason Harnett's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jason Harnett is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near Jason Harnett
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
Jason Willam Harnett I's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Jason Harnett's median patient age at 78, with 100% women.
Jason Harnett's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
How Jason Willam Harnett I takes part in Medicare
Jason Harnett 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)
Jason Willam Harnett I graduated from Yale University School of Medicine
Jason Harnett graduated from Yale University School of Medicine in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jason Willam Harnett I'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 Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Jason Willam Harnett I
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jason Willam Harnett I's NPI number?
Jason Willam Harnett I's NPI number is 1760868392. It was assigned on August 5, 2015, and it is active in the NPI Registry.
What does Jason Willam Harnett I specialize in?
Jason Willam Harnett I is a physician assistant in East Longmeadow, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jason Willam Harnett I practice?
Jason Harnett practices at 135 Benton Drive, East Longmeadow, MA 01028. Jason Harnett's primary practice is CareOne at Redstone in East Longmeadow, Massachusetts. Dmand AI also links Jason Harnett to 1 group practice or clinic.
What is Jason Willam Harnett I's office phone number?
The practice phone on file for Jason Harnett is (413) 525-3336.
What is Jason Willam Harnett I's medical license number?
Jason Harnett holds Massachusetts license PA101675.
Which hospitals is Jason Willam Harnett I affiliated with?
Jason Harnett is affiliated with Baystate Medical Center.
What medical group is Jason Willam Harnett I part of?
Jason Harnett is linked to Baystate Medical Practices.
Does Jason Willam Harnett I accept Medicare?
Yes. CMS lists Jason Harnett as accepting Medicare assignment.
Where did Jason Willam Harnett I go to medical school?
Jason Harnett graduated from Yale University School of Medicine in 2025.
How long has Jason Willam Harnett I been practicing?
Jason Harnett graduated from medical school in 2025, 1 years ago.
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