Sofia McKenzie Vacca
Physician Assistant · Litchfield Park, AZ
Sofia McKenzie Vacca is a physician assistant with a practice address in Litchfield Park, Arizona, and NPI 1841966710, issued on Aug 19, 2021. Check the license (Arizona 9604, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sofia McKenzie Vacca
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 9604 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 14044 W Camelback RD Ste 226, Litchfield Park, AZ 85340
- Phone
- (623) 233-1050
- Enumerated
- Aug 19, 2021
- Record last updated
- Jun 19, 2025
- Fax
- (623) 215-7137
- Medicare enrollment
- Enrolled (PECOS I20230421002108); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 14044 W Camelback RD Ste 226
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Jones, DOPhlebology Physician1053555110
Verify Sofia McKenzie Vacca in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 9604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average physician assistant in 2024
2,100 Medicare Part D claims for 930 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Tamsulosin Hcl568 claims
- Estradiol198 claims
- Myrbetriq165 claims
- Finasteride147 claims
- Solifenacin Succinate139 claims
- Amoxicillin-Clavulanate Potass119 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $922.71
37 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Vein Envy LLCLitchfield Park, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sofia McKenzie Vacca among 3,666 physician assistant records in Arizona
Sofia McKenzie Vacca is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 64% of them.
- NPI issued2021 · 64% of these records are older, 30% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2018 among the 2,207 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 physician assistant records list a practice address in Litchfield Park
They are 23 of the 550 NPPES records with a practice address in Litchfield Park, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Litchfield Park → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kimberly Basile, PA-CLitchfield Park, AZ 853401922359892
- Kathryn Earhart, PA-CLitchfield Park, AZ 853401326500471
- Jamie Engstrom, PA-CLitchfield Park, AZ 853401053538389
- Kerry Knight, PACLitchfield Park, AZ 853401194730762
- Kristen Lazarini, MPAS, PA-CLitchfield Park, AZ 853401265704613
- Melissa Loo, PALitchfield Park, AZ 853401477019784
- Tiffany Ly, PA-CLitchfield Park, AZ 853401891204772
- Rebekah Nordtvedt, PA-CLitchfield Park, AZ 853401992271621
Common questions
What is Sofia McKenzie Vacca's NPI number?
Sofia McKenzie Vacca's National Provider Identifier (NPI) is 1841966710, issued on Aug 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sofia McKenzie Vacca located?
The NPPES record lists a practice address at 14044 W Camelback RD Ste 226, Litchfield Park, AZ, 85340. Phone: (623) 233-1050. Providers update this record themselves, so call before visiting.
How can I verify Sofia McKenzie Vacca's license?
NPPES lists Arizona license number 9604, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Sofia McKenzie Vacca prescribe under Medicare Part D?
In 2024, Sofia McKenzie Vacca had 2,100 Medicare Part D claims for 930 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.