Hannah Llewellyn
- Hospital affiliations
- 1
- Industry payments
- $279
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 1493 Cambridge Street, Cambridge, MA 02139
- Practice phone
- Call (617) 665-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Hannah Llewellyn'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.
Hannah Llewellyn is a physician assistant in Cambridge, Massachusetts
Hannah Llewellyn practices at CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.
Hannah Llewellyn's NPI, 1699455642, was assigned on July 24, 2023.
- NPI
- 1699455642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628506664
- NPI enumeration date
- July 24, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 665-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Hannah Llewellyn practices at CHA Cambridge Hospital in Cambridge, Massachusetts
Hannah Llewellyn's primary practice is CHA Cambridge Hospital, at 1493 Cambridge Street, Cambridge, MA 02139 in Middlesex County. The practice phone is (617) 665-1000.
- CHA Cambridge Hospital1493 Cambridge Street, Cambridge, MA 02139 · Middlesex CountyPhone(617) 665-1000
Source: Dmand AI Affiliation Data
Hannah Llewellyn is affiliated with 1 site of care and 1 medical group
Hannah Llewellyn's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. The medical group on file is Cambridge Health Alliance. Hannah Llewellyn's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Hannah Llewellyn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hannah Llewellyn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHA Cambridge Hospital | 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 Cambridge Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Hannah Llewellyn is one of 3,922 physician assistants in Massachusetts
Physician assistant is Hannah Llewellyn's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Hannah Llewellyn
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
Hannah Llewellyn's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Hannah Llewellyn's median patient age at 63, with 63% women.
Hannah Llewellyn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
How Hannah Llewellyn takes part in Medicare
Hannah Llewellyn 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)
Hannah Llewellyn received $279 in industry payments in 2025
CMS Open Payments shows 3 general payments to Hannah Llewellyn from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Moximed, Inc paid the most, $137.
Companies that paid Hannah Llewellyn 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 Hannah Llewellyn'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) |
| 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 Hannah Llewellyn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hannah Llewellyn's NPI number?
Hannah Llewellyn's NPI number is 1699455642. It was assigned on July 24, 2023, and it is active in the NPI Registry.
What does Hannah Llewellyn specialize in?
Hannah Llewellyn is a physician assistant in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Hannah Llewellyn practice?
Hannah Llewellyn practices at 1493 Cambridge Street, Cambridge, MA 02139. Hannah Llewellyn's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.
What is Hannah Llewellyn's office phone number?
The practice phone on file for Hannah Llewellyn is (617) 665-1000.
Which hospitals is Hannah Llewellyn affiliated with?
Hannah Llewellyn practices at CHA Cambridge Hospital in Cambridge, Massachusetts.
What medical group is Hannah Llewellyn part of?
Hannah Llewellyn is linked to Cambridge Health Alliance.
Does Hannah Llewellyn accept Medicare?
Yes. CMS lists Hannah Llewellyn as accepting Medicare assignment.
Has Hannah Llewellyn received payments from drug or device companies?
CMS Open Payments shows $279 in general payments to Hannah Llewellyn from 3 companies from 2025 to 2025. The largest total came from Moximed, Inc.
How long has Hannah Llewellyn been practicing?
Hannah Llewellyn graduated from medical school in 2024, 2 years ago.
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