Amy Withey Holloway, PA-C
Physician Assistant · Phoenix, AZ
Amy Withey Holloway, PA-C is a physician assistant with a practice address in Phoenix, Arizona, and NPI 1659797512, issued on Mar 14, 2014. Check the license (Arizona 7482, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy Withey Holloway
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 7482 AZ
51317 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5777 E Mayo Blvd, Phoenix, AZ 85054
- Phone
- (480) 342-2000
- Enumerated
- Mar 14, 2014
- Record last updated
- Feb 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20201111001096); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 5777 E Mayo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Amy Withey Holloway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 7482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average physician assistant in 2024
1,700 Medicare Part D claims for 375 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Metoprolol Succinate190 claims
- Rosuvastatin Calcium148 claims
- Atorvastatin Calcium137 claims
- Ezetimibe109 claims
- Eliquis108 claims
- Clopidogrel85 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.
Bills Medicare through one group practice
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
923 physician assistant records list a practice address in Phoenix
They are 923 of the 31,399 NPPES records with a practice address in Phoenix, and 3,666 physician assistant records in Arizona.
All 923 in Phoenix → All 3,666 in Arizona → Every provider in Phoenix →
Other physician assistant records in Arizona
- Lindsey Abajian, PA-CPhoenix, AZ1306125620
- Allison Abbey, PA-CCottonwood, AZ1871257246
- Sarah Abbott, PAPhoenix, AZ1609969666
- Kristen Abel, PA-CMesa, AZ1346037181
- Abigail Abellana, PA-CScottsdale, AZ1629931670
- Heidi Abersfeller, PA CCasa Grande, AZ1356379754
- Collin Abitz, PAGlendale, AZ1376342386
- Colleen AbramsChandler, AZ1407285448
- Madison AbramsSurprise, AZ1609495571
- Michael AbrilScottsdale, AZ1245854728
Common questions
What is Amy Withey Holloway, PA-C's NPI number?
Amy Withey Holloway, PA-C's National Provider Identifier (NPI) is 1659797512, issued on Mar 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Amy Withey Holloway, PA-C located?
The NPPES record lists a practice address at 5777 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 342-2000. Providers update this record themselves, so call before visiting.
How can I verify Amy Withey Holloway, PA-C's license?
NPPES lists Arizona license number 7482, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Amy Withey Holloway, PA-C prescribe under Medicare Part D?
In 2024, Amy Withey Holloway, PA-C had 1,700 Medicare Part D claims for 375 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.