Ernest James Fox, PA
- Part D claims, 2024
- 6,136
- Hospital affiliations
- 1
- Industry payments
- $118
- Medical group
- 1
- State license
- 1
- Practice address
- 5910 N La Cholla Blvd, Tucson, AZ 85741
- Practice phone
- Call (520) 297-0404
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tucson Endocrine Associates
Tucson, Arizona
Find Ernest Fox'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.
Ernest James Fox is a physician assistant in Tucson, Arizona
Ernest Fox practices at Tucson Endocrine Associates in Tucson, Arizona.
Ernest Fox's NPI, 1104809854, was assigned on November 28, 2005.
- NPI
- 1104809854NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375640006
- NPI enumeration date
- November 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 297-0404
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ernest James Fox practices at Tucson Endocrine Associates in Tucson, Arizona
Ernest Fox's primary practice is Tucson Endocrine Associates, at 5910 N La Cholla Blvd, Tucson, AZ 85741 in Pima County. The practice phone is (520) 297-0404.
- Tucson Endocrine Associates5910 N La Cholla Blvd, Tucson, AZ 85741 · Pima CountyPhone(520) 297-0404
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ernest James Fox is affiliated with 3 sites of care and 1 medical group
Ernest Fox's primary practice is Tucson Endocrine Associates in Tucson, Arizona. Ernest Fox is also affiliated with Benson Hospital. The medical group on file is Tucson Endocrine Associates. Dmand AI also links Ernest Fox to 1 more group practice or clinic, 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 Ernest James Fox's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ernest Fox practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tucson Endocrine Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Ernest James Fox is one of 2,965 physician assistants in Arizona
Physician assistant is Ernest Fox's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Ernest Fox
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
Ernest James Fox's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Ernest Fox's median patient age at 67, with 56% women.
Ernest Fox's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men43%
Source: Dmand AI Patient Panel Data
Ernest James Fox wrote 6,136 Medicare Part D claims in 2024
In 2024, Ernest Fox wrote 6,136 Medicare Part D claims for 593 patients. 45% of them were for generic drugs.
Ernest Fox's Part D claims by kind of drug, 2024
- Generic2,765 claims45%
- Brand-name2,797 claims46%
- Other574 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ernest James Fox takes part in Medicare
Ernest Fox 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.
Ernest James Fox received $118 in industry payments in 2025
CMS Open Payments shows 5 general payments to Ernest Fox from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $33.
Companies that paid Ernest Fox 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 Ernest James Fox'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) |
| 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 Ernest James Fox
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ernest James Fox's NPI number?
Ernest James Fox's NPI number is 1104809854. It was assigned on November 28, 2005, and it is active in the NPI Registry.
What does Ernest James Fox specialize in?
Ernest James Fox is a physician assistant in Tucson, Arizona. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ernest James Fox practice?
Ernest Fox practices at 5910 N La Cholla Blvd, Tucson, AZ 85741. Ernest Fox's primary practice is Tucson Endocrine Associates in Tucson, Arizona. Dmand AI also links Ernest Fox to 1 group practice or clinic.
What is Ernest James Fox's office phone number?
The practice phone on file for Ernest Fox is (520) 297-0404.
Which hospitals is Ernest James Fox affiliated with?
Ernest Fox is affiliated with Benson Hospital.
What medical group is Ernest James Fox part of?
Ernest Fox is linked to Tucson Endocrine Associates.
Does Ernest James Fox accept Medicare?
Yes. CMS lists Ernest Fox as accepting Medicare assignment.
Has Ernest James Fox received payments from drug or device companies?
CMS Open Payments shows $118 in general payments to Ernest Fox from 5 companies from 2025 to 2025. The largest total came from Madrigal Pharmaceuticals.
How long has Ernest James Fox been practicing?
Ernest Fox graduated from medical school in 2000, 26 years ago.
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