Mark Bradley, D.O.
NPI 1427016575 · Family Medicine Physician · Hartford, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Bradley, D.O. is a Family Medicine Physician provider in Hartford, WI (NPI 1427016575).
Provider details
- NPI number
- 1427016575
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 39261 (WI)
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
20 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
855 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 | 423 | $123 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 166 | $125 |
| 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 | 147 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $87 |
| Administration of Influenza Virus VaccineG0008 | 30 | $14 |
| Aspiration And/Or Injection of Fluid From Large Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 554 | 163 |
| Levothyroxine Sodium | 311 | 85 |
| Rosuvastatin Calcium | 310 | 96 |
| Metoprolol Succinate | 293 | 87 |
| Lisinopril | 270 | 80 |
| Pantoprazole Sodium | 229 | 74 |
| Amlodipine Besylate |
Practice location
Mailing address
Additional practice locations (1)
- 1700 W Paradise DrWest Bend, WI 53095-9795Phone: (262) 334-3451
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2019-02-07
Frequently asked questions
- What is Mark Bradley's NPI number?
- Mark Bradley's National Provider Identifier (NPI) is 1427016575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Bradley's specialty?
- Mark Bradley is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Bradley located?
- Mark Bradley's practice location on file with NPPES is 110 Lone Oak Ln, Hartford, WI 53027-2600.
- What is Mark Bradley's phone number?
- The practice phone number listed in the NPPES registry for Mark Bradley is (262) 670-1800.
- Does Mark Bradley accept Medicare?
- Mark Bradley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Bradley's NPI active?
- Yes — Mark Bradley's NPI (1427016575) is active in the NPPES registry as of the last update on 2019-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.