James Doe, MD
NPI 1558523191 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Doe, MD is a Internal Medicine Physician provider in Tucson, AZ (NPI 1558523191).
Provider details
- NPI number
- 1558523191
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 44348 (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 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
555 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 334 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $87 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $127 |
| Hemoglobin A1c Level83036 | 43 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $158 |
| Administration of Influenza Virus VaccineG0008 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 394 | 131 |
| Lisinopril | 256 | 82 |
| Amlodipine Besylate | 217 | 84 |
| Gabapentin | 165 | 49 |
| Levothyroxine Sodium | 163 | 56 |
| Losartan Potassium | 162 | 55 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-25
- Last updated
- 2016-12-26
Frequently asked questions
- What is James Doe's NPI number?
- James Doe's National Provider Identifier (NPI) is 1558523191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Doe's specialty?
- James Doe is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Doe located?
- James Doe's practice location on file with NPPES is 839 W Congress St, Tucson, AZ 85745-2819.
- What is James Doe's phone number?
- The practice phone number listed in the NPPES registry for James Doe is (520) 670-3909.
- Does James Doe accept Medicare?
- James Doe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Doe's NPI active?
- Yes — James Doe's NPI (1558523191) is active in the NPPES registry as of the last update on 2016-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.