Alexandra Miller Dieffenderfer
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 17
- Hospital affiliations
- 3
- Industry payments
- $142
- Medical group
- 1
- Practice address
- 1900 Kildare Farm Road, Cary, NC 27518
- Practice phone
- Call (919) 350-2550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Alexandra Dieffenderfer'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.
Alexandra Miller Dieffenderfer is a physician assistant in Cary, North Carolina
Alexandra Dieffenderfer practices at WakeMed Cary Hospital in Cary, North Carolina, part of Advocate Health.
Alexandra Dieffenderfer's NPI, 1689192312, was assigned on September 1, 2017. Alexandra Dieffenderfer holds North Carolina license 0010-07513.
- NPI
- 1689192312NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214297209
- NPI enumeration date
- September 1, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 350-2550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Alexandra Miller Dieffenderfer practices at WakeMed Cary Hospital in Cary, North Carolina
Alexandra Dieffenderfer's primary practice is WakeMed Cary Hospital, at 1900 Kildare Farm Road, Cary, NC 27518 in Wake County. The practice phone is (919) 350-2550.
- WakeMed Cary Hospital1900 Kildare Farm Road, Cary, NC 27518 · Wake CountyPhone(919) 350-2550
Source: Dmand AI Affiliation Data
Alexandra Miller Dieffenderfer is affiliated with 3 sites of care and 1 medical group
Alexandra Dieffenderfer's primary practice is WakeMed Cary Hospital in Cary, North Carolina, part of Advocate Health. Alexandra Dieffenderfer is also affiliated with UNC Hospitals. The medical group on file is WakeMed Physician Practices. Dmand AI also links Alexandra Dieffenderfer to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Alexandra Miller Dieffenderfer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alexandra Dieffenderfer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WakeMed Cary Hospital | Available with a free account |
| +2 more affiliated sites | 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 Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.
Alexandra Miller Dieffenderfer is one of 7,765 physician assistants in North Carolina
Physician assistant is Alexandra Dieffenderfer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Alexandra Dieffenderfer is licensed in North Carolina.
Specialties and state licenses
- Physician assistant, North CarolinaPrimary
Physician assistants near Alexandra Dieffenderfer
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
Alexandra Miller Dieffenderfer treated 54 Medicare patients in 2024, average age 74
CMS counts 54 Medicare patients who saw Alexandra Dieffenderfer in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Alexandra Dieffenderfer's median patient age at 61, with 46% women.
Alexandra Dieffenderfer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Alexandra Dieffenderfer's Medicare patients by sex, 2024
- Women2037%
- Men3463%
Chronic conditions among Alexandra Dieffenderfer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis50%
- Heart failure35%
- Anxiety33%
- Cancer33%
- Chronic kidney disease33%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Alexandra Dieffenderfer'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
- Women46%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Alexandra Miller Dieffenderfer wrote 17 Medicare Part D claims in 2024
In 2024, Alexandra Dieffenderfer wrote 17 Medicare Part D claims for 12 patients. 88% of them were for generic drugs.
Alexandra Dieffenderfer's Part D claims by kind of drug, 2024
- Generic15 claims88%
- Brand-name and other2 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Alexandra Miller Dieffenderfer takes part in Medicare
Alexandra Dieffenderfer 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
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Alexandra Miller Dieffenderfer received $142 in industry payments in 2025
CMS Open Payments shows 1 general payment to Alexandra Dieffenderfer from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $142.
Companies that paid Alexandra Dieffenderfer 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 Alexandra Miller Dieffenderfer'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 Alexandra Miller Dieffenderfer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alexandra Miller Dieffenderfer's NPI number?
Alexandra Miller Dieffenderfer's NPI number is 1689192312. It was assigned on September 1, 2017, and it is active in the NPI Registry.
What does Alexandra Miller Dieffenderfer specialize in?
Alexandra Miller Dieffenderfer is a physician assistant in Cary, North Carolina. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Alexandra Miller Dieffenderfer practice?
Alexandra Dieffenderfer practices at 1900 Kildare Farm Road, Cary, NC 27518. Alexandra Dieffenderfer's primary practice is WakeMed Cary Hospital in Cary, North Carolina, part of Advocate Health. Dmand AI also links Alexandra Dieffenderfer to 1 hospital.
What is Alexandra Miller Dieffenderfer's office phone number?
The practice phone on file for Alexandra Dieffenderfer is (919) 350-2550.
What is Alexandra Miller Dieffenderfer's medical license number?
Alexandra Dieffenderfer holds North Carolina license 0010-07513.
Which hospitals is Alexandra Miller Dieffenderfer affiliated with?
Alexandra Dieffenderfer practices at WakeMed Cary Hospital in Cary, North Carolina. Alexandra Dieffenderfer is also affiliated with UNC Hospitals. Dmand AI links Alexandra Dieffenderfer to 1 more hospital.
What medical group is Alexandra Miller Dieffenderfer part of?
Alexandra Dieffenderfer is linked to WakeMed Physician Practices.
Does Alexandra Miller Dieffenderfer accept Medicare?
Yes. CMS lists Alexandra Dieffenderfer as accepting Medicare assignment.
How many Medicare patients does Alexandra Miller Dieffenderfer see?
CMS counts 54 Medicare patients who saw Alexandra Dieffenderfer in 2024, with an average age of 74.
Has Alexandra Miller Dieffenderfer received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Alexandra Dieffenderfer from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Alexandra Miller Dieffenderfer been practicing?
Alexandra Dieffenderfer graduated from medical school in 2017, 9 years ago.
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