Mason Lee Donnell, PA, PhD
- Part D claims, 2024
- 1,238
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1000 Trancas St, Napa, CA 94558
- Practice phone
- Call (707) 252-4411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Mason Donnell'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.
Mason Lee Donnell is a physician assistant in Napa, California
Mason Donnell practices at Providence Queen of the Valley Medical Center in Napa, California, part of Providence Health & Services.
Mason Donnell's NPI, 1891417390, was assigned on September 13, 2022. Mason Donnell holds California license 62685.
- NPI
- 1891417390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739558875
- NPI enumeration date
- September 13, 2022
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (707) 252-4411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mason Lee Donnell practices at Providence Queen of the Valley Medical Center in Napa, California
Mason Donnell's primary practice is Providence Queen of the Valley Medical Center, at 1000 Trancas St, Napa, CA 94558 in Napa County. The practice phone is (707) 252-4411.
- Providence Queen of the Valley Medical Center1000 Trancas St, Napa, CA 94558 · Napa CountyPhone(707) 252-4411
Source: Dmand AI Affiliation Data
Mason Lee Donnell is affiliated with 2 sites of care and 2 medical groups
Mason Donnell's primary practice is Providence Queen of the Valley Medical Center in Napa, California, part of Providence Health & Services. The medical group on file is CommuniCare+OLE. Dmand AI also links Mason Donnell to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mason Lee Donnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mason Donnell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Queen of the Valley Medical Center | 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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Mason Lee Donnell is one of 11,482 physician assistants in California
Physician assistant is Mason Donnell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mason Donnell is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Mason Donnell
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
Mason Lee Donnell's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Mason Donnell's median patient age at 61, with 42% women.
Mason Donnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women42%
- Men57%
Source: Dmand AI Patient Panel Data
Mason Lee Donnell wrote 1,238 Medicare Part D claims in 2024
In 2024, Mason Donnell wrote 1,238 Medicare Part D claims for 200 patients. 83% of them were for generic drugs. CMS names the drug for 756 of them, across 33 drugs with 11 or more claims each, at $57,917 in total drug cost.
Mason Donnell's Part D claims by kind of drug, 2024
- Generic1,031 claims83%
- Brand-name193 claims16%
- Other14 claims1%
Mason Donnell's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Mason Donnell's Part D claims, 2024
- Opioids4%48 of 1,238 claims
- Antibiotics1%17 of 1,238 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mason Lee Donnell offers telehealth to Medicare patients
CMS lists Mason Donnell as offering telehealth.
- Offers telehealth
- 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 Mason Lee Donnell'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 and Drug (CMS) (opens in a new tab)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 Mason Lee Donnell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mason Lee Donnell's NPI number?
Mason Lee Donnell's NPI number is 1891417390. It was assigned on September 13, 2022, and it is active in the NPI Registry.
What does Mason Lee Donnell specialize in?
Mason Lee Donnell is a physician assistant in Napa, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mason Lee Donnell practice?
Mason Donnell practices at 1000 Trancas St, Napa, CA 94558. Mason Donnell's primary practice is Providence Queen of the Valley Medical Center in Napa, California, part of Providence Health & Services. Dmand AI also links Mason Donnell to 1 group practice or clinic and 1 medical group.
What is Mason Lee Donnell's office phone number?
The practice phone on file for Mason Donnell is (707) 252-4411.
What is Mason Lee Donnell's medical license number?
Mason Donnell holds California license 62685.
Which hospitals is Mason Lee Donnell affiliated with?
Mason Donnell practices at Providence Queen of the Valley Medical Center in Napa, California.
What medical group is Mason Lee Donnell part of?
Mason Donnell is linked to CommuniCare+OLE. Dmand AI links Mason Donnell to 1 more medical group.
Does Mason Lee Donnell offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mason Donnell as offering telehealth services.
What drugs does Mason Lee Donnell prescribe most?
In 2024 Medicare Part D data, Mason Donnell's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Losartan Potassium.
How long has Mason Lee Donnell been practicing?
Mason Donnell's NPI was assigned in 2022.
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