Christopher Guglielmo, M.D.
NPI 1770750432 · Diagnostic Radiology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Guglielmo, M.D. is a Diagnostic Radiology Physician provider in Madison, WI (NPI 1770750432).
Provider details
- NPI number
- 1770750432
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 54424 (WI)
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
3,063 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, 2 Views71046 | 264 | $30 |
| X-Ray of Chest, 1 View71045 | 236 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 119 | $81 |
| X-Ray of Hip, 2-3 Views73502 | 115 | $44 |
| Ct Scan Head Or Brain Without Contrast70450 | 106 | $37 |
| X-Ray of Chest, 2 Views71046 | 102 | $10 |
| X-Ray of Lower and Sacral Spine, 2-3 Views |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-13
- Last updated
- 2020-12-31
- Certified
- 2020-12-31
Frequently asked questions
- What is Christopher Guglielmo's NPI number?
- Christopher Guglielmo's National Provider Identifier (NPI) is 1770750432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Guglielmo's specialty?
- Christopher Guglielmo is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Guglielmo located?
- Christopher Guglielmo's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Christopher Guglielmo's phone number?
- The practice phone number listed in the NPPES registry for Christopher Guglielmo is (608) 263-8340.
- Does Christopher Guglielmo accept Medicare?
- Christopher Guglielmo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Guglielmo's NPI active?
- Yes — Christopher Guglielmo's NPI (1770750432) is active in the NPPES registry as of the last update on 2020-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.