Cassandra Olivia Heisey, PA-C
Physician Assistant · Phoenix, AZ
Cassandra Olivia Heisey, PA-C is a physician assistant with a practice address in Phoenix, Arizona, and NPI 1912768656, issued on Jan 19, 2024. Check the license (Arizona 10201, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra Olivia Heisey
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 10201 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 350 W Thomas RD, Phoenix, AZ 85013
- Phone
- (602) 406-3000
- Enumerated
- Jan 19, 2024
- Record last updated
- Jan 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20240703003982); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 350 W Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melanie Adarme Sanchez, MDStudent in an Organized Health Care Education/Training Program1780444257
- Christine Adham, DOAnesthesiology Physician1679953202
- Caitlyn Adley, CRNACertified Registered Nurse Anesthetist1760849079
- Rexhina Ago, DOStudent in an Organized Health Care Education/Training Program1568302065
Verify Cassandra Olivia Heisey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 10201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average physician assistant in 2024
196 Medicare Part D claims for 131 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Methylprednisolone18 claims
- Cefdinir16 claims
- Ibuprofen16 claims
- Gabapentin13 claims
- Doxycycline Hyclate12 claims
- Methocarbamol12 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
- Empower St Josephs PLLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassandra Olivia Heisey among 3,666 physician assistant records in Arizona
Cassandra Olivia Heisey, PA-C 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 2024, is newer than 83% of them.
- NPI issued2024 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2023 · median 2018 among the 2,207 with a school on file
- Record last updated2024 · 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).
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 3,666 in Arizona → Every provider in Phoenix → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sheri Agran, PA-CPhoenix, AZ 850131548331341
- Laura Andersen, PACPhoenix, AZ 850131710061171
- Riki Davidson, PA-CPhoenix, AZ 850131194775981
- Rafael Garcia, PA-CPhoenix, AZ 850131144317637
- Melissa Hoover, PAPhoenix, AZ 850131992789135
- Jan Hughes, NNPPhoenix, AZ 850131184643892
- Bryan Lee, PA-CPhoenix, AZ 850131205951365
- Beth Lockhart, PACPhoenix, AZ 850131871681023
Common questions
What is Cassandra Olivia Heisey, PA-C's NPI number?
Cassandra Olivia Heisey, PA-C's National Provider Identifier (NPI) is 1912768656, issued on Jan 19, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Olivia Heisey, PA-C located?
The NPPES record lists a practice address at 350 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-3000. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Olivia Heisey, PA-C's license?
NPPES lists Arizona license number 10201, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra Olivia Heisey, PA-C prescribe under Medicare Part D?
In 2024, Cassandra Olivia Heisey, PA-C had 196 Medicare Part D claims for 131 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.