Michael Janssen, MD
NPI 1942272356 · Family Medicine Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Janssen, MD is a Family Medicine Physician provider in Jacksonville, FL (NPI 1942272356).
Provider details
- NPI number
- 1942272356
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME48190 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 47 | 26 |
| Amlodipine Besylate | 46 | 25 |
| Rosuvastatin Calcium | 44 | 27 |
| Atorvastatin Calcium | 43 | 24 |
| Lisinopril | 41 | 27 |
| Simvastatin | 40 | 24 |
| Terazosin Hcl | 38 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2015-02-04
Frequently asked questions
- What is Michael Janssen's NPI number?
- Michael Janssen's National Provider Identifier (NPI) is 1942272356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Janssen's specialty?
- Michael Janssen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Janssen located?
- Michael Janssen's practice location on file with NPPES is 9090 Regency Square Blvd N, Jacksonville, FL 32211-8119.
- What is Michael Janssen's phone number?
- The practice phone number listed in the NPPES registry for Michael Janssen is (904) 724-5576.
- Does Michael Janssen accept Medicare?
- Michael Janssen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Janssen's NPI active?
- Yes — Michael Janssen's NPI (1942272356) is active in the NPPES registry as of the last update on 2015-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.