James Stewart, DO
NPI 1285895920 · Internal Medicine Physician · Peoria, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Stewart, DO is a Internal Medicine Physician provider in Peoria, AZ (NPI 1285895920).
Provider details
- NPI number
- 1285895920
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 005591 (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
18 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
1,240 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 628 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 515 | $153 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 97 | $69 |
Typical Medicare-allowed amounts for these services range $69–$153 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Celecoxib | 311 | 300 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 230 | 226 |
| Oxycodone Hcl | 223 | 219 |
| Ondansetronbrand: Ondansetron Odt | 85 | 84 |
| Cyclobenzaprine Hcl | 66 | 66 |
| Ondansetron Hcl | 58 | 58 |
| Cephalexin | 51 | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-24
- Last updated
- 2020-04-06
- Certified
- 2020-04-06
Frequently asked questions
- What is James Stewart's NPI number?
- James Stewart's National Provider Identifier (NPI) is 1285895920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Stewart's specialty?
- James Stewart is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Stewart located?
- James Stewart's practice location on file with NPPES is 13462 W Jesse Red Dr, Peoria, AZ 85383-7904.
- What is James Stewart's phone number?
- The practice phone number listed in the NPPES registry for James Stewart is (602) 363-1116.
- Does James Stewart accept Medicare?
- James Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Stewart's NPI active?
- Yes — James Stewart's NPI (1285895920) is active in the NPPES registry as of the last update on 2020-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.