Michelle Mix, MD
NPI 1831385533 · Cardiovascular Disease Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Mix, MD is a Cardiovascular Disease Physician provider in Phoenix, AZ (NPI 1831385533).
Provider details
- NPI number
- 1831385533
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 43231 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,426 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 356 | $122 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 157 | $180 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 156 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 122 | $84 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 110 | $172 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 266 | 85 |
| Rosuvastatin Calcium | 241 | 77 |
| Metoprolol Succinate | 237 | 76 |
| Atorvastatin Calcium | 223 | 68 |
| Apixabanbrand: Eliquis | 183 | 47 |
| Carvedilol | 167 | 51 |
| Pravastatin Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$278 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-18
- Last updated
- 2021-05-07
- Certified
- 2021-05-07
Frequently asked questions
- What is Michelle Mix's NPI number?
- Michelle Mix's National Provider Identifier (NPI) is 1831385533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Mix's specialty?
- Michelle Mix is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Mix located?
- Michelle Mix's practice location on file with NPPES is 3811 E Bell Rd Ste 300, Phoenix, AZ 85032-2160.
- What is Michelle Mix's phone number?
- The practice phone number listed in the NPPES registry for Michelle Mix is (602) 952-0002.
- Does Michelle Mix accept Medicare?
- Michelle Mix is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Mix's NPI active?
- Yes — Michelle Mix's NPI (1831385533) is active in the NPPES registry as of the last update on 2021-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.