Jonathan K. Underhill, PA-C
- Part D claims, 2024
- 46
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jonathan Underhill'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.
Jonathan K. Underhill is a physician assistant in Boston, Massachusetts
Jonathan Underhill practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Jonathan Underhill's NPI, 1700012325, was assigned on June 10, 2009. Jonathan Underhill holds Massachusetts license PA452.
- NPI
- 1700012325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325569239
- NPI enumeration date
- June 10, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jonathan K. Underhill practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Jonathan Underhill's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Jonathan K. Underhill is affiliated with 2 sites of care and 1 medical group
Jonathan Underhill's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Jonathan Underhill 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 Jonathan K. Underhill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jonathan Underhill practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +1 more affiliated site | 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 Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Jonathan K. Underhill is one of 3,922 physician assistants in Massachusetts
Physician assistant is Jonathan Underhill's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jonathan Underhill is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near Jonathan Underhill
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
Jonathan K. Underhill's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Jonathan Underhill's median patient age at 75, with 45% women.
Jonathan Underhill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Jonathan K. Underhill wrote 46 Medicare Part D claims in 2024
In 2024, Jonathan Underhill wrote 46 Medicare Part D claims for 28 patients. 98% of them were for generic drugs.
Jonathan Underhill's Part D claims by kind of drug, 2024
- Generic45 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Jonathan Underhill's Part D claims, 2024
- Antibiotics24%11 of 46 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 Jonathan K. Underhill takes part in Medicare
Jonathan Underhill 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.
Sources for Jonathan K. Underhill'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 |
| 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) |
| 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 Jonathan K. Underhill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jonathan K. Underhill's NPI number?
Jonathan K. Underhill's NPI number is 1700012325. It was assigned on June 10, 2009, and it is active in the NPI Registry.
What does Jonathan K. Underhill specialize in?
Jonathan K. Underhill is a physician assistant in Boston, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jonathan K. Underhill practice?
Jonathan Underhill practices at 330 Brookline Avenue, Boston, MA 02215. Jonathan Underhill's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Jonathan Underhill to 1 group practice or clinic.
What is Jonathan K. Underhill's office phone number?
The practice phone on file for Jonathan Underhill is (617) 667-7000.
What is Jonathan K. Underhill's medical license number?
Jonathan Underhill holds Massachusetts license PA452.
Which hospitals is Jonathan K. Underhill affiliated with?
Jonathan Underhill practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts.
What medical group is Jonathan K. Underhill part of?
Jonathan Underhill is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP).
Does Jonathan K. Underhill accept Medicare?
Yes. CMS lists Jonathan Underhill as accepting Medicare assignment.
How long has Jonathan K. Underhill been practicing?
Jonathan Underhill graduated from medical school in 1991, 35 years ago.
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