Casey Lynne Michalski, PA-C
Medical Physician Assistant · Phoenix, AZ
Casey Lynne Michalski, PA-C is a medical physician assistant with a practice address in Phoenix, Arizona, and NPI 1912300070, issued on Oct 3, 2014. Check the license (Arizona 5784, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Casey Lynne Michalski
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 5784 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4530 E Ray RD, Phoenix, AZ 85044
- Phone
- (480) 785-4775
- Enumerated
- Oct 3, 2014
- Record last updated
- Oct 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (480) 785-0908
- Medicare enrollment
- Enrolled (PECOS I20141015002560); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 996 in Arizona → Look up another NPI →
Also registered at 4530 E Ray RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Casey Lynne Michalski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 5784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average medical physician assistant in 2024
3,291 Medicare Part D claims for 507 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Losartan Potassium169 claims
- Amlodipine Besylate151 claims
- Atorvastatin Calcium149 claims
- Levothyroxine Sodium138 claims
- Gabapentin128 claims
- Rosuvastatin Calcium104 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
- Ocotillo Internal Medicine AssociatesChandler, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Casey Lynne Michalski among 996 medical physician assistant records in Arizona
Casey Lynne Michalski, PA-C is one of 996 medical physician assistant records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 59% of them.
- NPI issued2014 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2014 · median 2012 among the 541 with a school on file
- Record last updated2014 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Arizona
There are 996 medical physician assistant records in Arizona.
All 996 in Arizona → Every provider in Phoenix → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Kimberly Carter, PA-CPhoenix, AZ 850441851609424
- Ann Janik, PAPhoenix, AZ 850441134199862
- Lana Khatib, PA-CPhoenix, AZ 850441154671238
- Kit LaiPhoenix, AZ 850441063988798
- Ty NielsonPhoenix, AZ 850441871988980
- Geolene Schaller, PA-CPhoenix, AZ 850441790034403
- Jyoti SharmaPhoenix, AZ 850441174996870
- Margaret SkurdahlPhoenix, AZ 850441548585565
Common questions
What is Casey Lynne Michalski, PA-C's NPI number?
Casey Lynne Michalski, PA-C's National Provider Identifier (NPI) is 1912300070, issued on Oct 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Casey Lynne Michalski, PA-C located?
The NPPES record lists a practice address at 4530 E Ray RD, Phoenix, AZ, 85044. Phone: (480) 785-4775. Providers update this record themselves, so call before visiting.
How can I verify Casey Lynne Michalski, PA-C's license?
NPPES lists Arizona license number 5784, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Casey Lynne Michalski, PA-C prescribe under Medicare Part D?
In 2024, Casey Lynne Michalski, PA-C had 3,291 Medicare Part D claims for 507 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.