Aaron Saunders, MD
NPI 1902148208 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Saunders, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1902148208).
Provider details
- NPI number
- 1902148208
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 57930 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
515 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 165 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 83 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 81 | $161 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 55 | $88 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 189 | 71 |
| Levothyroxine Sodium | 114 | 43 |
| Gabapentin | 89 | 44 |
| Lisinopril | 89 | 38 |
| Amlodipine Besylate | 88 | 37 |
| Trazodone Hcl | 83 | 35 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 1704 W Bell RdPhoenix, AZ 85023-3414Phone: (602) 837-5929Fax: (877) 409-2927
Registry dates
- Enumerated
- 2013-03-25
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is Aaron Saunders's NPI number?
- Aaron Saunders's National Provider Identifier (NPI) is 1902148208, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Saunders's specialty?
- Aaron Saunders is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Saunders located?
- Aaron Saunders's practice location on file with NPPES is 4420 E Mcdowell Rd, Phoenix, AZ 85008-4504.
- What is Aaron Saunders's phone number?
- The practice phone number listed in the NPPES registry for Aaron Saunders is (602) 858-4295.
- Does Aaron Saunders accept Medicare?
- Aaron Saunders is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Saunders's NPI active?
- Yes — Aaron Saunders's NPI (1902148208) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.