James Mezger, MD
NPI 1093944613 · Diagnostic Radiology Physician · Dover, DE
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mezger, MD is a Diagnostic Radiology Physician provider in Dover, DE (NPI 1093944613).
Provider details
- NPI number
- 1093944613
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C1-0010977 (DE)
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
16 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
4,671 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 952 | $8 |
| Screening Mammography77067 | 896 | $35 |
| Screening 3d Breast Mammography77063 | 895 | $27 |
| Mri Scan of Abdomen Before and After Contrast74183 | 162 | $101 |
| Diagnostic Mammography of 1 Breast77065 | 121 | $37 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 104 | $28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-02
- Last updated
- 2023-12-01
- Certified
- 2023-11-29
Frequently asked questions
- What is James Mezger's NPI number?
- James Mezger's National Provider Identifier (NPI) is 1093944613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mezger's specialty?
- James Mezger is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Mezger located?
- James Mezger's practice location on file with NPPES is 640 S State St, Dover, DE 19901-3530.
- What is James Mezger's phone number?
- The practice phone number listed in the NPPES registry for James Mezger is (302) 480-1688.
- Does James Mezger accept Medicare?
- James Mezger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mezger's NPI active?
- Yes — James Mezger's NPI (1093944613) is active in the NPPES registry as of the last update on 2023-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.