Veronica Diefenbach
- Medicare patients, 2024
- 125
- MIPS score, 2024
- 83
- Hospital affiliations
- 2
- Industry payments
- $19
- Medical groups
- 2
- Practice address
- 3620 Joseph Siewick Dr, Fairfax, VA 22033
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Virginia Surgery Center, LLC - HOPD
Acute Care Hospital outpatient department · Fairfax, Virginia
Find Veronica Diefenbach'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.
Veronica Diefenbach is a nurse anesthetist in Fairfax, Virginia
Veronica Diefenbach practices at Northern Virginia Surgery Center, LLC - HOPD in Fairfax, Virginia.
Veronica Diefenbach's NPI, 1295233427, was assigned on January 23, 2018. Veronica Diefenbach holds Virginia license 0001233163.
- NPI
- 1295233427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224390372
- NPI enumeration date
- January 23, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- 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)
Veronica Diefenbach practices at Northern Virginia Surgery Center, LLC - HOPD in Fairfax, Virginia
Veronica Diefenbach's primary practice is Northern Virginia Surgery Center, LLC - HOPD, at 3620 Joseph Siewick Dr, Fairfax, VA 22033.
- Northern Virginia Surgery Center, LLC - HOPD3620 Joseph Siewick Dr, Fairfax, VA 22033
Source: Dmand AI Affiliation Data
Veronica Diefenbach is affiliated with 5 sites of care and 2 medical groups
Veronica Diefenbach's primary practice is Northern Virginia Surgery Center, LLC - HOPD in Fairfax, Virginia. Veronica Diefenbach is also affiliated with Inova Fair Oaks Hospital. The medical group on file is Inova Cares Clinic. Dmand AI also links Veronica Diefenbach to 1 more hospital, 1 hospital outpatient department, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Veronica Diefenbach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Veronica Diefenbach practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Virginia Surgery Center, LLC - HOPD | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Veronica Diefenbach is one of 1,692 nurse anesthetists in Virginia
Nurse anesthetist, certified registered is Veronica Diefenbach's primary specialty in the NPI Registry, under taxonomy code 367500000X. Veronica Diefenbach is licensed in Virginia.
Specialties and state licenses
- Certified registered nurse anesthetist, VirginiaPrimary
Nurse anesthetists near Veronica Diefenbach
Counts of nurse anesthetists 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
Veronica Diefenbach treated 125 Medicare patients in 2024, average age 75
CMS counts 125 Medicare patients who saw Veronica Diefenbach in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Veronica Diefenbach's median patient age at 56, with 54% women.
Veronica Diefenbach's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Veronica Diefenbach's Medicare patients by sex, 2024
- Women7762%
- Men4838%
Chronic conditions among Veronica Diefenbach's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis59%
- Diabetes34%
- Ischemic heart disease31%
- Chronic kidney disease27%
- Atrial fibrillation24%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Veronica Diefenbach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Veronica Diefenbach scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Veronica Diefenbach for performance year 2024, reported as part of a group. Veronica Diefenbach accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Veronica Diefenbach's MIPS scores, performance year 2024
- 83of 100Final score
- 81.5of 100Quality
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Veronica Diefenbach received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Veronica Diefenbach from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $19.
Companies that paid Veronica Diefenbach 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 Veronica Diefenbach'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Veronica Diefenbach
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Veronica Diefenbach's NPI number?
Veronica Diefenbach's NPI number is 1295233427. It was assigned on January 23, 2018, and it is active in the NPI Registry.
What does Veronica Diefenbach specialize in?
Veronica Diefenbach is a nurse anesthetist in Fairfax, Virginia. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Veronica Diefenbach practice?
Veronica Diefenbach practices at 3620 Joseph Siewick Dr, Fairfax, VA 22033. Veronica Diefenbach's primary practice is Northern Virginia Surgery Center, LLC - HOPD in Fairfax, Virginia. Dmand AI also links Veronica Diefenbach to 1 hospital, 1 hospital outpatient department, 1 ambulatory surgery center and 1 medical group.
What is Veronica Diefenbach's medical license number?
Veronica Diefenbach holds Virginia license 0001233163.
Which hospitals is Veronica Diefenbach affiliated with?
Veronica Diefenbach is affiliated with Inova Fair Oaks Hospital. Dmand AI links Veronica Diefenbach to 1 more hospital.
What medical group is Veronica Diefenbach part of?
Veronica Diefenbach is linked to Inova Cares Clinic. Dmand AI links Veronica Diefenbach to 1 more medical group.
Does Veronica Diefenbach accept Medicare?
Yes. CMS lists Veronica Diefenbach as accepting Medicare assignment.
What is Veronica Diefenbach's MIPS score?
Veronica Diefenbach's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Veronica Diefenbach see?
CMS counts 125 Medicare patients who saw Veronica Diefenbach in 2024, with an average age of 75.
Has Veronica Diefenbach received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Veronica Diefenbach from 1 company from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Veronica Diefenbach been practicing?
Veronica Diefenbach graduated from medical school in 2017, 9 years ago.
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