Bernadette Diegnan, D.O.
NPI 1952794893 · Diagnostic Radiology Physician · Glendale, AZ
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bernadette Diegnan, D.O. is a Diagnostic Radiology Physician provider in Glendale, AZ (NPI 1952794893).
Provider details
- NPI number
- 1952794893
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 007637 (AZ)
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
11 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
3,839 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) |
|---|---|---|
| Mri Scan of Brain Before and After Contrast70553 | 327 | $295 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 324 | $183 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 306 | $76 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 280 | $78 |
| Mri Scan of Brain Without Contrast70551 | 248 | $66 |
| Mri Scan of Brain Without Contrast70551 | 241 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-17
- Last updated
- 2019-01-31
Frequently asked questions
- What is Bernadette Diegnan's NPI number?
- Bernadette Diegnan's National Provider Identifier (NPI) is 1952794893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bernadette Diegnan's specialty?
- Bernadette Diegnan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Bernadette Diegnan located?
- Bernadette Diegnan's practice location on file with NPPES is 5605 W Eugie Ave Ste 110, Glendale, AZ 85304-1273.
- What is Bernadette Diegnan's phone number?
- The practice phone number listed in the NPPES registry for Bernadette Diegnan is (623) 847-2000.
- Does Bernadette Diegnan accept Medicare?
- Bernadette Diegnan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bernadette Diegnan's NPI active?
- Yes — Bernadette Diegnan's NPI (1952794893) is active in the NPPES registry as of the last update on 2019-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.