Michael Johnson, M.D.
NPI 1083720817 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Johnson, M.D. is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1083720817).
Provider details
- NPI number
- 1083720817
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01034992 (IN)
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
19 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
608 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 | 378 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $61 |
| 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 | 81 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $130 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 22 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 132 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 464 | 140 |
| Amlodipine Besylate | 426 | 116 |
| Lisinopril | 225 | 65 |
| Losartan Potassium | 210 | 57 |
| Metformin Hclbrand: Metformin Hcl Er | 180 | 49 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 174 | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Michael Johnson's NPI number?
- Michael Johnson's National Provider Identifier (NPI) is 1083720817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Johnson's specialty?
- Michael Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Johnson located?
- Michael Johnson's practice location on file with NPPES is 550 University Blvd, Indianapolis, IN 46202-5149.
- What is Michael Johnson's phone number?
- The practice phone number listed in the NPPES registry for Michael Johnson is (317) 944-2167.
- Does Michael Johnson accept Medicare?
- Michael Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Johnson's NPI active?
- Yes — Michael Johnson's NPI (1083720817) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.