Maria Dais, MD
NPI 1164441986 · Diagnostic Radiology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Dais, MD is a Diagnostic Radiology Physician provider in Oakland, CA (NPI 1164441986).
Provider details
- NPI number
- 1164441986
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A78481 (CA)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
639 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 161 | $44 |
| X-Ray of Chest, 1 View71045 | 150 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 66 | $96 |
| X-Ray of Chest, 2 Views71046 | 63 | $12 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 35 | $95 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 33 | $91 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2022-01-10
Frequently asked questions
- What is Maria Dais's NPI number?
- Maria Dais's National Provider Identifier (NPI) is 1164441986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Dais's specialty?
- Maria Dais is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Dais located?
- Maria Dais's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Maria Dais's phone number?
- The practice phone number listed in the NPPES registry for Maria Dais is (510) 752-1000.
- Does Maria Dais accept Medicare?
- Maria Dais is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Dais's NPI active?
- Yes — Maria Dais's NPI (1164441986) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.