Casey Michalski, PA-C
NPI 1912300070 · Medical Physician Assistant · Phoenix, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Casey Michalski, PA-C is a Medical Physician Assistant provider in Phoenix, AZ (NPI 1912300070).
Provider details
- NPI number
- 1912300070
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 5784 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
17 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $137 |
Typical Medicare-allowed amounts for these services range $137–$137 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 169 | 63 |
| Amlodipine Besylate | 151 | 53 |
| Atorvastatin Calcium | 149 | 56 |
| Levothyroxine Sodium | 138 | 46 |
| Gabapentin | 128 | 57 |
| Rosuvastatin Calcium | 104 | 40 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-10-03
- Last updated
- 2014-10-03
Frequently asked questions
- What is Casey Michalski's NPI number?
- Casey Michalski's National Provider Identifier (NPI) is 1912300070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Casey Michalski's specialty?
- Casey Michalski is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Casey Michalski located?
- Casey Michalski's practice location on file with NPPES is 4530 E Ray Rd, Phoenix, AZ 85044-6094.
- What is Casey Michalski's phone number?
- The practice phone number listed in the NPPES registry for Casey Michalski is (480) 785-4775.
- Does Casey Michalski accept Medicare?
- Casey Michalski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Casey Michalski's NPI active?
- Yes — Casey Michalski's NPI (1912300070) is active in the NPPES registry as of the last update on 2014-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.